Companies supplying CNC - Turning in All Industry
CNC (computer numeric control) turning involves the generation of metal or plastic linear profiles using a centre lathe. The engineering of components may be turned using single or multi-tooled machines.
Index of companies supplying: CNC - Turning
Acro Precision Engineering - Great Yarmouth- Adelaide Engineering Co Ltd - Heywood
Airmatic Ltd - Bury- AK Precision Ltd - Great Yarmouth
- Arnold Plastics - Northampton
- ASD Sourcing Ltd - Leighton Buzzard
Asgard Engineering Ltd - Hyde- Atkinson Precision Ltd - Leeds
- Atlantic Precision Engineering Ltd - Yateley
- BCP Castings Ltd - Andover
- BEC Group - New Milton
- Bingham Precision Engineers Ltd - Basildon
- Bolt and Nut Manufacturing - Rotherham
- Branston Engineering Ltd - Lincoln
- Bray Plastics - Leighton Buzzard
- C and T Engineering Ltd - Weston super Mare
- C Rayment (Precision Engineering) Ltd - Sudbury
- Chapel Engineering - Hayle
- Claro Precision Engineering Ltd - Knaresborough
- Clifford Engineering (Hull) Ltd - Hull
- Crescent Metal Spinning Co Ltd - Stockport
- Cross and Morse - Birmingham
- Custom Machined Components - Mitcham
- D & H Engineering Ltd - Leicester
- D2 Bearings and Engineering Services Ltd - Bradford
- Dawson Precision Components Ltd - Oldham
- Dorman Engineering Services - Loughborough
- DRB Group - Deeside
- Duckworth and Kent (Reading) Ltd - Reading
- Eastwood Engineering - Radstock
- Eaves Machining Ltd - Manchester
- FC Newell and Son Ltd - Wincanton
- Fort Precision Engineering (IOW) Ltd - Freshwater
- Foundry and Fabrication (Totnes) Ltd - Totnes
- G Squared UK Ltd - Andover
- G2 Digital Video Ltd - Farnham
- Godric Engineering Ltd - Peterborough
- H and H Products Ltd - Halesowen
- Haas Automation Ltd - Norwich
- Hague Fasteners Ltd (formerly Ralin Group Ltd) - Willenhall
- Hone-All Precision Ltd - Leighton Buzzard
- Horton Light Engineering - Runcorn
- Imat Ltd - Tamworth
- IN2 Plastics Ltd - Burnley
- INKOMA-Group - Bedford
- JEB Precision Ltd - Northwich
- Kingsnorth Engineering - Ashford
- Kingston Engineering Co (Hull) Ltd - Hull
- Kl Precision Engineering Ltd - Cheltenham
- Leytoner De Montfort Ltd - Leicester
- Merc Engineering UK Ltd - Nelson
- MH7 Precision Engineering - Brighouse
- MJC Engineering Ltd - Leicester
- Mollart-Cox Engineering Ltd. - Chesterfield
- MRT Castings Ltd - Andover
- Muffett Gears - Tunbridge Wells
- Murray Productions Ltd - Hayes
- Newlands Engineering - Maidstone
- Newmont Engineering Company Ltd - London
- Northeast Technology Solutions Ltd - Montrose
- Northumbria Engineering - Blyth
- Num (UK) Ltd - Coventry
- Nylacast Ltd - Leicester
- Osborne Precision Sheet Metal Ltd - Hungerford
- Pact Engineering Ltd - Luton
- PI Castings - Altrincham
- Pillar Seals and Gaskets - Worthing
- PRD Fasteners Ltd - Willenhall
- Precision Products Brighton Ltd - Littlehampton
- Premier Plastics - Thetford
- Production Pattern (Bristol) Ltd - Bristol
- PRV Engineering Ltd - Pontypool
- Reliant Precision Engineering Ltd - Slough
- RFI Screening - Ware
- Richmond CNC Engineering (Devon) Ltd - Ilfracombe
- Roadrunners-Index Ltd - Deal
- Rolevet Ltd - Wolverhampton
- RQT Precision Engineering Ltd - Aberdeen
- Sanotools - Northampton
- Scot Bennett Engineering - Northampton
- Series 4 Ltd - Southampton
- Sheffield Precision Medical Ltd - Sheffield
- Staffordshire Precision Engineering Ltd - Newcastle under Lyme
- Stone RHG - Street
- Stonehill Engineering - Huntingdon
- T and G Engineering Company Ltd - West Byfleet
- T and K Precision Ltd - Northampton
- Tatnell Engineering Services - Northampton
- Tefloturn Ltd - Kings Lynn
- Teyron Engineering Ltd - Lydney
- The China Manufacturer - Douglas
- Thomas Brown Precision Engineering Ltd - Huddersfield
- Tradex Instruments Ltd - Chessington
- Tridan Engineering Ltd - Clacton on Sea
- Valcon Prague - Prague
- VAPLAS Ltd - Normanton
- WEC Group Ltd - Darwen
- Wentworth Engineering Ltd - Barnsley
- WES Hardmetal Engineering - Redruth
- Westcombe Engineering - Peterborough
- Whiteland Engineering Ltd - Bideford
- William Moss and Sons (Stockport) Ltd - Buxton
- XG Plastics Ltd - Brentford
- Yorkshire Precision Engineering Ltd - Keighley
- & Architects Ltd. - London
- & Design (Bath) Ltd. - Bath
- 007 24-Hour Emergency Locksmiths - Croydon
- 032 - Sudbury
- 1 Pdq Locksmith - Yateley
- 11 04 Architects Ltd - London
- 147 Design Ltd - Yarm
- 1HQ Ltd. - Windsor
- 1ST Call for Locks - Leeds
- 1ST Call Venti Clean - Bournemouth
- 1ST Choice Patterns Ltd. - Chesterfield
- 20-20 Vision - Colchester
- 2020 Liverpool Ltd. - Liverpool
- 23 Architecture - London
- 2D Engineering Ltd. - Ashford
- 2GH Water - Exeter
- 3 Design Partnership - Cardiff
- 3 R Partnership, The - London
- 3A Plus Associates Ltd - Tarporley
- 3D Architects - Milton Keynes
- 3D Evolution Ltd. - Shefford
- 3D Structural Services - Dudley
- 3Q Industrial Supplies Ltd. - Grimsby
- 3W Architecture Ltd - London
- 4 Quants Ltd - Manchester
- 4SIGHT - Craigavon
- 6A Ltd. - London
- 929 Design Ltd - Lanark
- @ Architect Ltd. - Hornchurch
- @Design Ltd - Stourbridge
- A G Precision (Huntingdon) Ltd. - Huntingdon
- A Lewis & Sons (Willenhall) Ltd. - Willenhall
- A M J Engineering Ltd. - Mountain Ash
- A Thompson Consulting Ltd. - Northallerton
- A Wright & Son Ltd. - Sheffield
- A & A Neil - Glasgow
- A & A Neil - Glasgow
- A & A Precision - Barnstaple
- A & A Security Locksmiths Ltd - Kettering
- A & B Services - Thatcham
- A & B Surveys - Ipswich
- A & Dp Ltd - Colchester
- A & F Consulting Engineers - Brough
- A & G Architects (Oxford) Ltd. - Oxford
- A & G Guiver - Hoddesdon
- A & K Nagar - Birmingham
- A & N Engineering Services Ltd. - Kettering
- A & S Inman (Designs) Ltd. - Manchester
- A & S Worger - Farnham
- A & W Demolition (Bracknell) - Bracknell
- A & W Precision Tools Ltd - Tipton
- A - Z Engineering Ltd. - Oswestry
- A A Design (Holdings) Ltd. - Sheffield
- A A Design Ltd. - Sheffield
- A A P Architecture Ltd. - Woking
- A A Sinclair - Larkhall
- A A Sinclair Ltd. - Larkhall
- A Aird Associates - Sale
- A and E Woodward Ltd - Hull
- A and Q Partnership (London) Ltd - Beaconsfield
- A B A (International) Ltd. - London
- A B M Engineering Ltd. - Buckingham
- A B M Consultancy Services Ltd - Peterborough
- A B P - Bromley
- A B Roger & Young Architects - Forfar
- A B S Construction Contracts Consultancy - Eastleigh
- A C A Technical Services Ltd. - Aberdeen
- A C A Associates Ltd. - Dunfermline
- A C Design (Uk) Ltd - Gloucester
- A C Engineering Services - Nottingham
- A C F Consulting Ltd. - High Peak
- A C J Engineering - Larne
- A C L - Bishop Auckland
- A C L R Ltd. - South Shields
- A C Moore Construction Ltd - Lincoln
- A C S Partnership - Blackburn
- A D Architects - Hertford
- A D C - Broseley
- A D Ellis - Harrogate
- A D Engineering - Sittingbourne
- A D L Highway Engineering Ltd. - Bristol
- A D L Traffic Engineering Ltd. - Bristol
- A D M Engineering Ltd. - Bolton
- A D Norman Ltd. - Dunblane
- A Deeley(Cutlery Manufacturers) Ltd. - Sheffield
- A Durose Ltd - Hull
- A E Coombes & Partner - Bognor Regis
- A E D Metal Cutting Services - Newtownards
- A E S Industries Ltd. - Swadlincote
- A E Sharman W E Moore & Sons - Leicester
- A F A Special Projects - Gloucester
- A F C General Builders - Chelmsford
- A F C Precision Engineering Ltd. - Banbury
- A F H Shaw Sprunt - London
- A F Howland Associates Ltd. - Norwich
- A F Whiteley & Co. Ltd. - High Peak
- A Fairbairn Risk Management Ltd - Preston
- A Foster - Chester
- A Frame Engineering - Nelson
- A G Block Ltd. - Lowestoft
- A G & G C Gibson - Market Rasen
- A G & G Ltd. - London
- A G A Design Consultants Ltd. - Beckenham
- A G Bean - Aberdeen
- A G Engineering Machine Services - Harrogate
- A G F Architect Ltd. - Melton Mowbray
- A G H Contract Services - Whitchurch
- A G Precision - Nottingham
- A G Pringle Ltd - Colchester
- A G Thompson Building Design Services - Dunfermline
- A Gill Ltd. - Fraserburgh
- A H Engineering (North East) Ltd. - Hebburn
- A H P Architects & Surveyors Ltd. - Bromley
- A I Process Systems Ltd. - Nelson
- A J Loveland Ltd. - Rotherham
- A J Sendell Engineering Services Ltd. - Wimborne
- A J A Architects - Coventry
- A J Bevan - York
- A J H Designs Ltd. - Burnley
- A J McLaren Associates - Beckenham
- A J Oakes & Partners - West Wickham
- A J Property Services Ltd - Maidstone
- A J S Engineering Services Ltd. - Waterlooville
- A J Sands Ltd. - Exeter
- A J W Design Ltd - Benfleet
- A J Wood (Holdings) Ltd. - Preston
- A Jarman Partnership - Godalming
- A K Contractors - Ilford
- A K Controls Ltd - Poole
- A K Design Partnership - Romford
- A L C Construction (Beverley) Ltd. - Beverley
- A L D Engineering (Uk) Ltd. - Horsham
- A L D Vacuum Technologies Ltd. - Guildford
- A L Daines & Partners - Carlisle
- A L H Design Services - Preston
- A L S Civil Engineers Ltd. - Ramsgate
- A L Surveying Services Ltd - Nuneaton
- A M A Alexi Marmot Associates - London
- A M Architects - Jersey
- A M Clayton Ltd. - Warrington
- A M Designs - Cheltenham
- A M G Engineering - Southampton
- A M L - Southampton
- A M Lilliott - Retford
- A M P (North East) Ltd - Darlington
- A McInnes Gardner & Partners - Glasgow
- A Models Ltd. - London
- A N McAvoy Ltd. - London
- A O C - London
- A P & P C Carpenter - Cheltenham
- A P A S Engineering Ltd. - Southampton
- A P Andrews (Crossford) Ltd - Carluke
- A P Design Architects - High Peak
- A P R Engineering - Croydon
- A P W Engineering Co - Greenford
- A Pace Marine Engineers - Newhaven
- A Page - Rugby
- A Q B Architectural Workshop Ltd - Londonderry
- A Q B Architectural Workshop - Londonderry
- A R Associates - Eastbourne
- A R Brodie Chartered Surveyors - Bournemouth
- A R G Turrell - Bristol
- A R H Conveyor Maintenance - Newark
- A R J Associates - Ellesmere Port
- A R K Associates - London
- A R P Associates - Leeds
- A R P Services Ltd. - Dartford
- A R Precision Engineering - Oldham
- A R T Associates Ltd. - Wallsend
- A R Valli & Sons - Uxbridge
- A R Wilson & Co - Huddersfield
- A S A Architects - New Malden
- A S A Commercial Property Surveyors - Yeovil
- A S B Architects - London
- A S C Materials Handling Ltd - Stockport
- A S Friend & Partners - Aylesbury
- A S I - Londonderry
- A S I Architects Ltd - Londonderry
- A S Mosley & Co. Ltd. - Insch
- A S P Projects Ltd. - Reading
- A S Precision Engineering - Birmingham
- A S Research Ltd. - Peterborough
- A S V Highway Consultants Ltd. - Pontefract
- A S Walls & Son - Selby
- A S Z Partners Ltd. - Ilford
- A St.John Ltd. - Chelmsford
- A T 4 Architects Ltd. - Hitchin
- A T Architects Ltd. - Leamington Spa
- A T D Precision Engineering Ltd. - Chesterfield
- A T L Surveys - Nelson
- A Taylor - Glasgow
- A Thomson - Edinburgh
- A Three Architecture Design Planning Ltd. - Craigavon
- A V I Europe Ltd. - Dartford
- A W A Consulting Engineers - Maldon
- A W A Grove Ltd. - Cardiff
- A W G Business Transfer - Wakefield
- A W Gore & Co - Rye
- A W Jeffreys (Southampton) Ltd. - Southampton
- A Watson & G Jones & P Elliott - Sunderland
- A. & J. Geotechnical Services Ltd - Doncaster
- A. Conway & Co Ltd - Londonderry
- A. Machola Ltd - Fareham
- A.A.A Locksmith - Witney
- A.D. Hyde Ltd - Llanelli
- A.D.C. (Bristol) Ltd - Bristol
- A.D.G. Draughting Services Ltd - Sheffield
- A.D.X Precision Engineering Ltd - Gosport
- A.E. Kaye Design Services Ltd - Wirral
- A.G. Building Design & Surveying Ltd - Wells
- A.G.F. (Bridgwater) Ltd - Bridgwater
- A.J. McDonough (Electrical Engineering) Ltd - Norwich
- A.Maan Architectural Services Ltd - Slough
- A.P.B. Group Ltd - Stoke on Trent
- A.S. McGill Ltd - Croydon
- A1 Locksmiths Ltd. - Nottingham
- A1 Thame Lock & Key Centre - Thame
- A3 Architects Ltd. - Pinner
- Aa Service - Birmingham
- Aabtec Ltd - Milltimber
- AAJ Engineering Ltd - Hockley
- Aak Design Associates Ltd. - Lowestoft
- Aalyte Engineering - Woodbridge
- Aamir Design Ltd. - Preston
- Aarcicon Ltd - London
- Aaron Locks - Penicuik
- Aaron Traill - Newcastle upon Tyne
- Abacus Building Design Ltd. - Ivybridge
- Abacus Chartered Architects & Designers - Birmingham
- Abate Asbestos Surveyors Ltd. - Glasgow
- Abb & Co. - London
- Abb I-R Waterjet Systems - Sale
- Abbey Climate Control - Waltham Abbey
- Abbey Design - Oldham
- Abbey Fire Services - Harrogate
- Abbey Maintenance Co - Peterborough
- Abbott & Associates (Southern) Ltd. - Lutterworth
- Abbott & Lomax Ltd. - Blackburn
- Abbott Holliday Partnership - London
- Abbott Roger - Stratford upon Avon
- Abcal Services Ltd - Rugby
- Abcast - Gillingham
- Abdata Ltd. - London
- Abec Designs & Drawings Services Ltd - Reading
- Aberlour Engineering - Aberlour
- ABI Facilities Engineering Ltd - Birmingham
- Ability Engineering Services Ltd. - Basingstoke
- Abinger Grinding - Burnley
- Ablelaunch Ltd - London
- Abo (Structural) Ltd. - Peterborough
- Abormont Ltd - Glasgow
- Abrahim Engineering - Birmingham
- Abrico Ltd. - Southsea
- Absolute Air Conditioning Services - Bromley
- Abson Blaza - Normanton
- Acad Mapping - Crowborough
- Academy Associates Uk Ltd - Hounslow
- Acanthus W S M Architects Ltd. - Pudsey
- Acare Services Ltd - Walsingham
- Acatolyst Ltd - Monmouth
- Accent & Wilkinson - Peterborough
- Access Architects Ltd. - Reading
- Access Architecture Ltd. - Brough
- Accessible Architecture Ltd. - Ruthin
- Acclaimed Servicing - Orpington
- Accolade Lock Technicians - Bruton
- Accrofab Ltd. - Derby
- Accumen Technology - Chesham
- Acdp (Integrated Building Services) Ltd. - Maidenhead
- Ace Cranfield Ltd. - Bedford
- Acepoint Engineering Services Ltd - Leicester
- Acer Engineering (Bedford) Ltd. - Bedford
- Acer Project Services - Bishops Stortford
- Acheson Warren Associates - Burton on Trent
- Achurch Phillips Blenkin Chartered Surveyors - Leicester
- Acia - Stockport
- Acme Precision Engineering Ltd - Wrexham
- Acorn Architectural Ironmongery Ltd. - Cambridge
- Acorn Contractors Ltd. - Henfield
- Acoustic & Environmental Technology - Southampton
- Acro Precision Engineering - Great Yarmouth
- Acs (Blackburn) Ltd. - Blackburn
- Actionplas Ltd - Pudsey
- Active Air Conditioning Ltd. - Aberdeen
- Active Architecture Ltd. - Derby
- Active Heating Services Ltd. - Thatcham
- Activetech Ltd - Wigan
- AD (Offshore) Ltd - North Shields
- AD Plans Ltd - Larkhall
- Adair Paxton Chartered Surveyors - Leeds
- Adam Design - Wolverhampton
- Adam Power Associates - Norwich
- Adams - Studley
- Adams & Sutherland Ltd. - London
- Adams Collingwood Architects Ltd - London
- Adams Conceptual Design Co. Ltd. - Ellon
- Adams Consulting Engineers Ltd - Hastings
- Adams Engineering Ltd. - Skegness
- Adams Kara Taylor Ltd. - London
- Adams Poole Architecture - Portsmouth
- Adaptability Ltd. - Bristol
- Adc International Ltd. - Chichester
- Addmore Engineering - Bedford
- Adds Ltd - Bath
- Addtrade Projects Ltd. - Warrington
- Adelaide Engineering Co Ltd - Heywood
- Adelbrent Engineers Ltd. - Northwood
- Adelgem Ltd - Chertsey
- Adenstar Developments Ltd. - Brighton
- Adept Engineering - Coventry
- Adept Engineering (Fishlake) Ltd. - Doncaster
- Adf Architecture & Design Ltd. - Glasgow
- ADF Partnership Ltd, The - Glasgow
- Adk Architects - Keswick
- Adm Architectural Services Ltd. - Thetford
- Adm Associates Ltd. - Sittingbourne
- Adnitt Acoustic Services Ltd. - Epsom
- Adp - London
- Adp Precision Engineering Ltd - Newcastle upon Tyne
- Adrain R Jarrett - Stowmarket
- Adrian Kearney Associates - Belfast
- Adrian Morley Ltd - Attleborough
- Ads Associates - Carshalton
- Adstec Design Ltd. - Bury St Edmunds
- Adstock Building Design Ltd. - Buckingham
- Advance Thermoform Tooling - Lisburn
- Advanced Energy Management Services Ltd. - Glasgow
- Advanced Engineering - Bristol
- Advanced Engineering Design Services Ltd - Warwick
- Advanced Locking & Locksmithing Ltd - Southampton
- Advanced Metal Engineering Ltd. - Rickmansworth
- Advanced Tap Plumbing - Ingatestone
- Advanced Turned Parts Ltd. - Wolverhampton
- Adways Design Ltd. - Lewes
- Aecom - Leeds
- Aecom Global Group Ltd. - London
- Aed Practice Ltd, The - Reading
- Aedas Architects Ltd - Manchester
- Aedas Architects Ltd. - Bristol
- Aedas Building Consultancy Ltd. - Huddersfield
- Aedas Building Surveying Ltd - Glasgow
- Aedc Ltd - Rhyl
- Aedifice Ltd. - St Albans
- Aegis - Glasgow
- Aegis Locksmiths - Aberdeen
- Aegis Survey Consultants Ltd. - Romford
- Aero M E Ltd. - Reading
- Aero Vintage Ltd. - Hastings
- Aerosubs Ltd. - Ballymena
- Aetheric Engineering Ltd. - Fareham
- Aew Architects & Designers Ltd. - Manchester
- Afa Planning Ltd. - St Neots
- Afe Group Ltd - Kings Lynn
- Affordable Locks - Nottingham
- Afl Engineering (N E) Ltd. - Hebburn
- Afond Structural Surveys - Manchester
- Aftech Ltd. - Swindon
- Age Concern Gwent Enterprises Ltd. - Newport
- Agemaspark Ltd. - Doncaster
- Ager Design - Cranleigh
- Agile Networking Solutions - Witney
- Agri-Puls Ltd. - Whitchurch
- Agricultural & Plant Hire Contractor - Southampton
- Agricultural Auto Engineering - Dunbar
- Agrilek Ltd - Barrow in Furness
- Agritec Environmental Ltd. - Bakewell
- Ah Engineering & Fabrication Ltd. - York
- Ahm Design Ltd. - Washington
- Aidan Simpson Architect Ltd. - Manchester
- Aim Applications Ltd. - Burnley
- Ainley Alexander Partnership Ltd, The - Worcester
- Ainsley Stokes Ltd. - Nottingham
- Ainsworth and Woodcock Engineering Company - Wellingborough
- Ainsworth Surveying Services Ltd. - Manchester
- Air & Water Systems Ltd. - Liverpool
- Air Architecture - Swansea
- Air Compressor Services - Glenrothes
- Air Conditioning Scotland Ltd. - Shotts
- Air Heating & Manufacturing (1990) Ltd. - Jersey
- Air Power International Ltd. - Larbert
- Air Products Plc t/a Steelcraft Precision Engineering - Enniskillen
- Aircare - Derby
- Aircon Medic - Hull
- Aircool Systems UK - Rochester
- Aird Consulting Engineers Ltd. - Edinburgh
- Airedale Metrology Services - Keighley
- Airmatic Ltd - Bury
- Airowing Engineering Ltd. - Stockport
- Airplan - Bury
- Airshield Engineering Ltd - Altrincham
- Airtech Environment Systems - Nottingham
- Aitchison Raffety - Reading
- Aivars Architects Ltd. - London
- Aj Engineering & Construction Services Ltd. - Aberdeen
- Aj Wood (Civils) Ltd. - Preston
- Aja Architects Llp - Coventry
- Ajax Minerva Ltd. - Bradford
- Ajay Enterprises Ltd - Twickenham
- Ajb Consulting Engineers Ltd - Huntingdon
- Ajh (Gb) Ltd - Clitheroe
- Ajm Plumbing and Heating Services - Cinderford
- AK Precision Ltd - Great Yarmouth
- Aker Offshore Partner Ltd - Aberdeen
- Aker Solutions - Stockton on Tees
- Akerman Chartered Surveyors - Woodbridge
- Aks International (Cranes) Ltd. - Frome
- AKS Ward Lister Beare - Hitchin
- Al Sass Ltd. - Mold
- Al's Engineering - Haslemere
- Al-Sharif Vertical Transportation Consultancy Ltd. - London
- Alamo Ecosse Ltd - Ellon
- Alan Black - York
- Alan Aird Associates - Glasgow
- Alan Barnes - Reading
- Alan Barr & Associates - Bridport
- Alan Baxter Partnership - Maidstone
- Alan Bayne Associates - London
- Alan Bright Associates - Brentwood
- Alan Brough Associates - Newcastle
- Alan Brough Associates Ltd. - Derby
- Alan Brown (Engineering Services) Ltd. - Banchory
- Alan Clancy Ltd. - Chelmsford
- Alan Conisbee & Associates Ltd. - London
- Alan Courtnell Associates Ltd. - Rye
- Alan Culshaw Associates Ltd. - Southampton
- Alan Cumming Architects - Aberdeen
- Alan Cummings & Co - Plymouth
- Alan Dale Pumps Ltd. - Ashford
- Alan Dickinson - Stoke on Trent
- Alan Fitchie - Preston
- Alan Freikes - Farnborough
- Alan G Haines Associates Ltd - Barnsley
- Alan Gentry Structural Engineers Ltd - Cowes
- Alan Gray Building Services Ltd - Washington
- Alan Greening - Southwold
- Alan Heafford - Nottingham
- Alan Hunting Associates - Battle
- Alan Iyrie - Crawley
- Alan J Carter Partnership Ltd, The - Hertford
- Alan Jollie Associates - Edinburgh
- Alan Lipton Associates - London
- Alan McCulloch Associates - Glasgow
- Alan McGowan Architects Ltd. - Nottingham
- Alan Messing Consultancy, The - London
- Alan Pfeffer Associates - London
- Alan Poskitt - Newcastle upon Tyne
- Alan Poulter Architects - Monmouth
- Alan Power Architects - London
- Alan R Perkins Ltd. - Kidlington
- Alan Riley - London
- Alan Root Group Ltd. - Salisbury
- Alan Scarrett Architectural Services - Lancing
- Alan Scott - Newcastle upon Tyne
- Alan Seager - Swansea
- Alan Sharp Associates - Guildford
- Alan Sheerin Associates - Haddington
- Alan Stevenson Associates Ltd. - Lewes
- Alan Stone Associates - Swindon
- Alan T Philp Chartered Architect - Ashbourne
- Alan Thomas Chartered Surveyors - Newcastle Emlyn
- Alan Todd - Darlington
- Alan W Haird Ltd - Aberystwyth
- Alan Watt & Co. Ltd. - Glasgow
- Alan Winkle Ltd. - Wolverhampton
- Alan Young - Dumfries
- Alastair Coey Architects - Belfast
- Alastair Watson Partnership - Thatcham
- Alba Building Sciences Ltd - Blairgowrie
- Alba Land Surveys Ltd - Dundee
- Albany Westbrook Associates Ltd - Brough
- Albert Fry Associates Ltd. - Belfast
- Albion Design & Draughting Services Ltd. - Brighouse
- Alcocks Ltd. - Hereford
- Alda Design Technologies Ltd. - Andover
- Aldershot Access Hire - Aldershot
- Alderside Engineering Ltd. - Motherwell
- Alderton Associates Ltd - Chelmsford
- Aldwick Construction & Design - Chichester
- Aldwyns Ltd - Gloucester
- Alec Dolby & Co - London
- Alex Imlach - London
- Alex Knowles Associates Ltd. - Macclesfield
- Alexander Design Associates Ltd. - Chesterfield
- Alexander Partners - Hayes
- Alexander Project Design Ltd - Winchester
- Alexander Reece Thomson - London
- Alexander-Sedgley - London
- Alexanders Surveyors Ltd - Nottingham
- Alf Grange & Associates - East Grinstead
- Alfa Precision & General Engineering Co. Ltd. - Maryport
- Alfred McAlpine - Stockport
- Algamma Ltd. - Stockport
- Algotronix Ltd - Edinburgh
- Alhaz Ltd. - Jarrow
- Ali Gate - Manchester
- Ali Sanei Architects - London
- Alice Poole Architects - London
- Aline Design Ltd - Hungerford
- Alistair Burgess - Margate
- Alkane Biogas Ltd - Mansfield
- All Cooling Solutions - Slough
- All Engineering Applications & Services - Middlesbrough
- All Seasons Contracting Co. Ltd. - Stourbridge
- All the B's Surveys Ltd. - Carnforth
- Allan & Hanel Ltd. - Glasgow
- Allan Associates - Lancaster
- Allan Associates (Architects) Ltd - Enniskillen
- Allan B English - London
- Allan Commercial & Industrial Interiors Ltd. - Glasgow
- Allan Consulting Engineers - Bicester
- Allan Curran Architects Ltd - Enniskillen
- Allan Engineering Ltd. - Malton
- Allan Evans - Norwich
- Allan Hayes Engineering Ltd - East Grinstead
- Allan Joyce Architects Ltd. - Nottingham
- Allan McEwan Architects Ltd - Glasgow
- Allan McLaren Chartered Surveyors - Glasgow
- Allancad Ltd. - Wakefield
- Allanshaw Engineering Ltd. - Glasgow
- Allcock & Grieves - Loughborough
- Allen Automation Ltd - Bradford
- Allen B Matthews - Newton Abbot
- Allen Consultant Engineering Ltd - Blyth
- Allen Gordon & Co. - Perth
- Allen Tod Architecture Ltd. - Leeds
- Allen-Bell Ltd - London
- Alliance Piling (Northwest) Ltd - Wigan
- Allied Design Associates - Oxford
- Allied Engineering - Swaffham
- Allied Surveyors Plc - Dundee
- Allied Surveyors Plc - Hull
- Allied Surveyors Plc - Rhyl
- Allied Surveyors Plc - Burton on Trent
- Allied Surveyors Plc - Glasgow
- Allied Surveyors Plc - Eastbourne
- Allies & Morrison - London
- Allinson Nash Ltd. - Middlesbrough
- Allott & Lomax (International) Ltd - Sale
- Alloway Road Motor Services - Maybole
- Allscale Ltd. - Warrington
- Alltami P D S Ltd. - Sheffield
- Allwick Patterns - Faversham
- Allyn Ltd. - Bradford
- Almalynn Ltd. - Leatherhead
- Almond Designs Ltd - Hull
- Alno Product Services Ltd. - Tewkesbury
- Alpha Control Services Ltd - Bristol
- Alpha Engineering Consultancy Ltd. - Halifax
- Alpha Engineering Services - Hockley
- Alpha Gas & Plumbing Ltd. - Hope Valley
- Alpha Omega Engineering - Ashbourne
- Alpha Rewinds - Wednesbury
- Alpha Twenty Ltd. - Preston
- Alsager Precision Ltd. - Crewe
- Altenn Ltd - Cardiff
- Alter Engineering - Newton Abbot
- Alternative Design & Manufacture Ltd - Leicester
- Alto Rapid Response - Sunderland
- Alton Precision Engineering Ltd - Stoke on Trent
- Altratech Ltd. - Stockport
- Altros Engineering Ltd. - High Wycombe
- Alun Jones - Mold
- Alun Griffiths (Contractors) Ltd. - Abergavenny
- Alwoodley Wrought Iron - Leeds
- Alwyn Brooks Consultants Ltd. - Alfreton
- Am Architectural Design - Alcester
- Am Electrics Rs - Reading
- Am:Pm Design Ltd - Doncaster
- Ama Alexi Marmot Associates Ltd. - London
- Amalgam Building Consultants Ltd - Bromley
- Amalgam U K Ltd. - London
- Amalgamated Chartered Surveyors - Welwyn Garden City
- Amalgamated Lifts Ltd. - Orpington
- Amanda Levete Architects Ltd - London
- Amanin Ltd. - Reading
- Amar Bredon Forge - Tewkesbury
- Amber Drafting Services Ltd. - Ashford
- Amberscope Ltd - London
- Ambit Precision Grinding - Leicester
- Ambo Architects - Chichester
- Amc (Toolmakers) Ltd - Banwell
- Amen Corner Locksmiths - London
- Amey Ow Ltd - Chichester
- Amg Fisher & Associates Ltd - Blackpool
- Amh Designs Ltd. - Southsea
- Amhurst Designs Ltd. - Northampton
- Amk Projects Ltd - Stockport
- Amman Engineering Ltd. - Ammanford
- Ammas Ltd. - Hitchin
- Ampcad Ltd - Blackpool
- Amroc Heating Services Ltd. - Swansea
- Amron Associates Ltd. - Doncaster
- Amtec - Batley
- Amtek - Hayle
- An Norvys Ltd - St Neots
- Anaesthesia Technology Ltd. - Wetherby
- Andel Plant Ltd. - Sittingbourne
- Anders Associates - Sutton
- Anders Roberts & Associates Ltd. - Christchurch
- Anderson Architect - Craigavon
- Anderson Associates - Wigan
- Anderson Associates Chartered Architect Ltd - Stornoway
- Anderson David R - London
- Anderson Ellis Partnership - Darlington
- Anderson Gibbs & Associates Ltd - London
- Anderson Williamson - Belfast
- Anderson's Locks - Biggleswade
- Andersons Chartered Surveyors Ltd. - Newark
- Andover Precision Ltd. - Dudley
- Andrew & James Partnership - Cowbridge
- Andrew Baxter Civil & Structural Engineering Consultant Ltd. - Banbury
- Andrew Beard & Co. Ltd. - Bristol
- Andrew Beard Architect Ltd - Sheffield
- Andrew Belsey - Canterbury
- Andrew Binks Architects Ltd - Liverpool
- Andrew Boakes Associates Ltd - Tonbridge
- Andrew Brown Technical Services Ltd. - Mitcheldean
- Andrew Bumphrey - Marlborough
- Andrew Catto Architects Ltd - London
- Andrew Collett Associates - Bridgnorth
- Andrew Coulter Architecture - Omagh
- Andrew Cunningham (Plant Hire) Ltd. - Cardiff
- Andrew Davies Chartered Architects - Aberaeron
- Andrew Firebrace Partnership - Bury St Edmunds
- Andrew Foden - Manchester
- Andrew Forbes Ltd. - Bristol
- Andrew French - Henley on Thames
- Andrew Gifford Architects - Lichfield
- Andrew Goodman Architecture - Hertford
- Andrew Greaves Associates - Leeds
- Andrew Green Chart Surveyers - Cockermouth
- Andrew Griffiths - Oakham
- Andrew Guest (Agricultural Engineers) Ltd. - Newark
- Andrew Hanson & Confederates - London
- Andrew Harvey Architects - Jersey
- Andrew Howard - Woodford Green
- Andrew Howard & Partners - Northampton
- Andrew J Oliver - Hull
- Andrew J Lightfoot - Liskeard
- Andrew King B A Honors B P L M R T P I - Leighton Buzzard
- Andrew Klose Engineering Ltd - Royston
- Andrew Lang Product Design Ltd - London
- Andrew Large Surveyors Ltd - Derby
- Andrew Lashley Design Ltd. - Rickmansworth
- Andrew Lett Architects Ltd. - London
- Andrew Lewis Consulting Ltd - Bath
- Andrew Lockwood Building Design Ltd - Dronfield
- Andrew Malcolm Associates Ltd - Southampton
- Andrew Martin Associates - Chelmsford
- Andrew Mayer Tyser - London
- Andrew Morrison & Associates Ltd. - Birmingham
- Andrew Neil Associates - Hatfield
- Andrew Nesbitt Architects - Belfast
- Andrew Palmer & Associates Ltd. - Aberdeen
- Andrew Reid & Partners Llp - London
- Andrew Scott Associates - London
- Andrew T Gale Ltd - Mold
- Andrew Turner & Co Ltd - Uxbridge
- Andrew Twigg & Associates Ltd. - Market Harborough
- Andrew Waring Associates Ltd. - Romsey
- Andrew White & Co - Leighton Buzzard
- Andrew Wolstenhelme John - Southam
- Andrew Youens & Co. Ltd. - London
- Andrews & Platt Ltd. - Leeds
- Andrews Downie & Partners - London
- Andrews Gay & Partners - Barry
- Andrews Precision Engineering Ltd - Worcester
- Andrews Quantity Surveyors Ltd. - Southampton
- Andrisa Design & Construction - Huntingdon
- Andromeda Architecture Ltd - Sheffield
- Andun Ltd. - Chelmsford
- Andy Baker Consulting Ltd - Penrith
- Andy Collett Associates Ltd. - Bridgnorth
- Andy Kelly Ltd. - Bath
- Andy Strange Associates - Torpoint
- Angermann Goddard & Loyd Ltd. - London
- Anglia Building Surveying Ltd. - Cambridge
- Anglia Thermal Engineering Ltd. - Sudbury
- Anglian Precision Ltd. - Newmarket
- Anglo Baltic Marine Services Ltd. - Lowestoft
- Anjen Ltd. - Redruth
- Ankur Architects - London
- Anlyn Engineering - Liverpool
- Annabel Hollick Architects Ltd - Cambridge
- Anne Thorne Architects - London
- ANS Precision Engineering - Ballymoney
- Anscombe Engineering - Shrewsbury
- Ansell & Bailey - Manchester
- Anstey Ltd. - Harlow
- Antar Ltd. - Edinburgh
- Anthony Beevor Surveyors - East Grinstead
- Anthony Blaza & Associates - Pontefract
- Anthony Blee Consultancy - London
- Anthony Chorley Architects - Birmingham
- Anthony D Lake - North Walsham
- Anthony Dale - Pwllheli
- Anthony Fieldhouse & Co - Greenford
- Anthony Griffiths Associates - Cardiff
- Anthony Grimshaw Associates - Wigan
- Anthony J Blythe & Co - Pinner
- Anthony Jackson (Property Services) Ltd. - Sheffield
- Anthony Jenkins & John Gould - Bridgend
- Anthony Moore John - London
- Anthony O'Hare - Newry
- Anthony O'Neill - Magherafelt
- Anthony Osbourne Associates - Kingston upon Thames
- Anthony Perchard Associates - London
- Anthony Percival Ltd - Wellingborough
- Anthony R Wells & Associates Ltd. - Chislehurst
- Anthony R Budd - Midhurst
- Anthony R Wells & Associates - Chislehurst
- Anthony Sharpe & Co - Leeds
- Anthony Shipley Building Consultancy (Asbc) Ltd. - Ormskirk
- Anthony Stapley & Associates - Southampton
- Anthony Taylor & Co - London
- Anthony Thomas Architects Ltd. - London
- Anthony Thornton Associates - London
- Anti-Friction Technology Ltd. - Cheltenham
- Antony Hill - Southport
- Antony Lyons Architects - London
- Antony R Tranter Architects - Bromsgrove
- Antrim Electrical & Mechanical Engineers Ltd. - Belfast
- Anval Qualequip - St Albans
- Any Ltd - London
- Anything Iron - Huddersfield
- Ap Mechanical Services - Honiton
- Apax Products Ltd. - Tamworth
- Apb Cnc Ltd - Sandhurst
- Apex Architecture Consultancy Ltd. - London
- Apex Consulting (North West) Ltd - Bolton
- Apex Design - Nottingham
- Apex Engineering Ltd - Chippenham
- Apex Machining Services Ltd. - Oldbury
- Apex Precision Engineering Ltd. - London
- Apex Structural Detailing Services - Harrogate
- Apex Surveyors Ltd. - Aberdare
- Apgeotechnics Ltd. - Egham
- Apm Archetypes Ltd - London
- Apm Engineering Ltd. - Waterlooville
- Apple Building & Construction Design Ltd. - Stroud
- Apple Juice Consultants - Norwich
- Appleby Petfield - Heathfield
- Appledore International Ltd - Wallsend
- Appleville Ltd. - London
- Appleyard & Trew - London
- Appleyards Ltd. - Horsham
- Applied Geotechnical Engineering - Maidenhead
- Applied Technology Consultants Ltd. - Clevedon
- Apr Services Ltd. - London
- Aptahurst Ltd. - Manchester
- Aqua Systems (U K ) Ltd. - Johnstone
- Aqua-Blue Ltd. - Eastleigh
- Aquatec Group Ltd - Hook
- Aquatec Marine - Reading
- Aquatech Engineering Ltd. - Redditch
- Aquaterra Surveys - York
- Aramat Ltd. - Lowestoft
- Arambol Associates - London
- Arbon Associates - Leeds
- Arc 3 - West Wickham
- Arc 7 Design Llp - London
- Arc Survey & Design - Peterborough
- Arc-E-Tec Ltd - Telford
- Arcade Productions (Riwaq) Ltd - Isleworth
- Arcadiam Associates Ltd - London
- Arcal Design Services - Walsall
- Arch Henderson & Partners - Dundee
- Arch Henderson L L P - Thurso
- Arch-Aid Design Group - Omagh
- Arch-F X Ltd. - Sandwich
- Arch-F X Ltd. - Sandwich
- Archangel Ltd. - Cambridge
- Archatech Ltd. - Godalming
- Archer Partnership Ltd. - Stevenage
- Archial Architects - Glasgow
- Archigraph Ltd - St Leonards on Sea
- Archimage - Ely
- Architechnics Chartered Architects - Godstone
- Architechnics Services Ltd. - Godstone
- Architecnics - Cheltenham
- Architect D A S - London
- Architect Search - London
- Architects Co-Partnership Ltd. - Potters Bar
- Architects Design Group - Plymouth
- Architects Design Partnership Llp - Birmingham
- Architects Le L L P - Leicester
- Architects Network Ltd - London
- Architects Plus (U K) Ltd. - Carlisle
- Architects Plus Ltd. - Chislehurst
- Architects Practice, The - London
- Architects-Direct.Com Ltd - Northwich
- Architectural & Building Services Ltd - Warwick
- Architectural & Interior Services - Knutsford
- Architectural Building Consultants Ltd. - Middlesbrough
- Architectural Design & Planning Ltd - Alston
- Architectural Design & Planning Services Ltd. - Hull
- Architectural Design (Newmarket) Ltd. - Newmarket
- Architectural Design Associates - Welling
- Architectural Design Consultancy Associates Ltd - Oldbury
- Architectural Design Consultancy Ltd - Burton on Trent
- Architectural Design Services - Aberdeen
- Architectural Design Services (Uk) Ltd - Kenley
- Architectural Draughting (Bernard Willimott) - Great Yarmouth
- Architectural Drawings - Bristol
- Architectural Drawings Ltd. - Barnsley
- Architectural Engineering Ltd. - Skelmersdale
- Architectural Planning Services - Wrexham
- Architectural Plans Service - Bexley
- Architectural Project Solutions - Shrewsbury
- Architectural Services Anglia Ltd. - Norwich
- Architectural Studio, The - Glasgow
- Architectural Systems Technology Ltd. - Portsmouth
- Architectural Technician & Building Design Consultant - Bude
- Architectural Technician Services - Birmingham
- Architecture & Design Partnership Ltd. - Colchester
- Architecture & Urban Design Bureau Ltd - Chatham
- Architecture Design & Construction Ltd. - London
- Architecture Ltd. - London
- Architecture One Llp - Rochester
- Architecture P L B Ltd. - Winchester
- Architectus - Worthing
- Architek : Uk Ltd - Huddersfield
- Architete Ltd - Nottingham
- Architon Group Practice - Epsom
- Architon Llp - Epsom
- Architype Ltd. - London
- Arco Studios Ltd - Penzance
- ARCO2 Architecture Ltd. - Bodmin
- Arcot Engineering Co. Ltd. - Cramlington
- Arcteck Designs Ltd. - Northampton
- Arcus Architects & Project Managers - Belfast
- Arcus Consulting L L P - Leeds
- Arcus Consulting Llp - Sale
- Ardine Design Ltd - Warrington
- Areen Design Services Ltd. - London
- Aremco Industries Ltd. - Doncaster
- Arena Instrumentation - Ellesmere Port
- Argent Aeronautical Services Ltd. - Cambridge
- Argosy Polo Equipment - Windsor
- Argyll Agricultural Engineers - Oban
- Aricab Ltd. - Swindon
- Arihant Global Services Ltd. - London
- Ark Architecture + Design Ltd. - Glasgow
- Ark Precision Engineering Ltd - Chelmsford
- Arkchem Ltd - Maidenhead
- Arkitecture - Jersey
- Arkon Architectural Designers Ltd - York
- Arktx Ltd - Dundee
- Arlingham Ltd. - Gravesend
- Armada Marine Hydraulics Ltd. - Falmouth
- Arminhall Engineering Ltd. - Saffron Walden
- Armistead Barnett - Ormskirk
- Armour - Colchester
- Armson & Partners - Derby
- Armsons Darwent Shaw - Sheffield
- Armstrong Architects Ltd. - Macclesfield
- Armstrong Burton Architects - Sutton Coldfield
- Armstrong Rhead Ltd - Gateshead
- Arnatt Abrey Bennett Ltd. - London
- Arnold B Johnson (Construction) Ltd - Bristol
- Arnold Burgess Partnership Ltd. - Sevenoaks
- Arnold Plastics - Northampton
- Aros Design Ltd. - Glasgow
- Arp Anthony Richardson & Partners (Holdings) Ltd. - London
- Arp Geotechnical Ltd. - Leeds
- Arpl Architects Ltd. - Ayr
- Arquen - Cirencester
- Arrand Engineering & Timber Division - Oakham
- Arrapine Drafting Agency Ltd - Stirling
- Arras Design & Construction Ltd. - Bordon
- Arrow Lock Services - Antrim
- Arrowebrook Building Consultancy - Deeside
- Arrowsmith Engineering & Consultants Ltd. - Alton
- Art-Tech Services - Usk
- Arta Architects - Belfast
- Arthog Ltd. - London
- Arthur Hough & Sons Ltd. - Wolverhampton
- Arthur Taylor Realisations Ltd. - Glasgow
- Arthur Taylor Realisations Ltd. - Glasgow
- Arthurell & Kirkland - London
- Artisan Engineering Services Ltd - Gravesend
- Artisan Precision Engineering Co. - Pontypool
- Artonomy - Truro
- Arts Lettres Techniques Ltd. - London
- Arun Associates Ltd. - Edgware
- Arundel Williams & Surplice Ltd. - Leeds
- Arup - Cardiff
- Arup Botswana Ltd. - London
- Arup Engineering - Belfast
- Arup Engineering - Belfast
- Arup Group Ltd - Newcastle upon Tyne
- Arup Group Ltd - Nottingham
- Arup Group Ltd. - London
- Arup International Ltd - London
- Arup North America Ltd. - London
- Arvans Civil Engineering Ltd. - Abertillery
- Arvon Die and Tool Co - Brierley Hill
- Asa Architecture Ltd. - Chippenham
- Asad Coolway - London
- Asahi Seiko Co. Ltd. - Tunbridge Wells
- Asap Architectural Services & Planning - Guildford
- ASAP Engineering Ltd - Plymouth
- Asap Services - Grimsby
- Asb Agtech Services - Newark
- Ascad Ltd - Tunbridge Wells
- Ascot Environmental Ltd - Basildon
- Ascot Environmental Ltd - Manchester
- ASD Sourcing Ltd - Leighton Buzzard
- Asgard Engineering Ltd - Hyde
- Ash & Co. Cs Llp - Gloucester
- Ash Sakula Architects - London
- Ashbourne Engineering - Matlock
- Ashbourne Products - Birmingham
- Ashburn Drafting Services Ltd - Southampton
- Ashburnham Associates Ltd. - Eastbourne
- Ashby & Perkins - Wisbech
- Ashchurch Building & Design Ltd - Halesowen
- Ashcrest Ltd. - Hitchin
- Ashel Engineering - Sheffield
- Ashgate Engineering Ltd - London
- Ashlea Services Ltd. - Bromley
- Ashleigh House Developments Ltd. - Wokingham
- Ashley & McDonough Ltd - Prescot
- Ashley Engineering Services Ltd. - Chippenham
- Ashley Pettit Architects - Douglas
- Ashley Sodergren Design Partnership - Plymouth
- Ashman Building Cost Consultants Ltd - Cannock
- Ashmore Ltd - Boston
- Ashteak Ltd - Leeds
- Ashton Smith Associates Ltd. - Harrogate
- Ashvale Civil Engineering Ltd - Luton
- Ashwood Consultants (Scotland) Ltd. - Airdrie
- Ashwood Design Associates Ltd - Carlisle
- Ashworth Jackson & Walker Ltd. - Stockport
- Askey Precision Engineering Ltd. - Willenhall
- Aspect Land & Hydrographic Surveys - Irvine
- Aspire Consulting Ltd. - Tamworth
- Aspull Engineering Co. Ltd. - Manchester
- Assael Architecture Ltd. - London
- Assett Group Com Ltd. - Bath
- Assiduous Engineers Ltd - Kirkcaldy
- Assignments Ltd. - Grantham
- Associated Architects Llp - Birmingham
- Associated Construction Consultants - Stratford upon Avon
- Associated Design Partnership - Abingdon
- Associated Structural Consultants Ltd - Wolverhampton
- Associated Structural Design Ltd. - Maidenhead
- Associated Valuers Ltd - Knutsford
- Associates - London
- Assured Gas Services - Lewes
- Astam G B C Consultancy Ltd - Malmesbury
- Astley Gates - Manchester
- Aston Croft Ltd - Hove
- Aston Rose (West End) Ltd. - London
- Astwood Ltd. - London
- Ateb Consultants - Swansea
- Atelier - S M Ltd - Hornchurch
- Atelier-M Ltd - Dundee
- Atf Associates Ltd - Colchester
- Athena Architectural Services Ltd. - Stafford
- Athena Tech Ltd. - Woodbridge
- Atherden Fuller Leng Ltd. - Manchester
- Atisreal - Leeds
- Atisreal Ltd. - London
- Atkins Aspect Management Consultants - St Asaph
- Atkins Consultants Ltd - Glasgow
- Atkins Consultants Ltd - Bristol
- Atkins Martin Associates Ltd - Marlborough
- Atkins Walters & Webster Ltd. - Bristol
- Atkinson Bray - Lightwater
- Atkinson Peck Consulting Engineers - Stockport
- Atkinson Peck Ltd - Stockport
- Atkinson Precision Ltd - Leeds
- Atlantic Precision Engineering Ltd - Yateley
- Atlas Construction Ltd. - London
- Atlas Diving & Marine Services Ltd. - Edinburgh
- Atlas Marine Contractors Ltd. - Edinburgh
- Atlas Surveys Llp - Newport
- Atmos Construction (Somerton) - Somerton
- Atomic Engineering Ltd - Solihull
- Atp Architects & Surveyors Llp - London
- Atul Designs Ltd. - Pinner
- Atw Engineering - Darwen
- Atwood Builders Ltd. - Wolverhampton
- Audio Agency (Europe) - Milton Keynes
- Aukett Brockliss Guy Ltd - Truro
- Aura Consulting (Uk) Ltd - Windlesham
- Auray Properties Ltd - Nottingham
- Aurora Precision Engineering Ltd. - Southampton
- Austen Engineering Ltd - Stockton on Tees
- Austin Wolstencroft & Co. Ltd. - Oldham
- Austin (Gb) Ltd - Rickmansworth
- Austin Brooks - York
- Austin Co of (UK) Ltd, The - Rickmansworth
- Austin Engineering - Coventry
- Austin Partnership - Cardiff
- Austin-Smith Lord - Manchester
- Austin-Smith:Lord Llp - Manchester
- Auto & Marine Services - Southampton
- Auto-Vent (Stoke-on-Trent) Ltd - Stoke on Trent
- Autocad Bureau Ltd. - Surbiton
- Autoeurope Engineering Ltd. - Horley
- Autohouse Associates Ltd. - Chelmsford
- Autohouse Holdings Ltd. - Chelmsford
- Autolec UK Ltd. - Cheltenham
- Automatic Engineers (Hinckley) Ltd. - Hinckley
- Automotive Gas Systems Ltd. - Craigavon
- Autopoint - Hailsham
- Autos Great Britain Ltd. - Derby
- Autosportif Ltd. - Bicester
- Autumn Engineering Ltd. - Gravesend
- Autumn Precision Engineering Ltd. - Hounslow
- Aux Engineering Company Ltd - Dunstable
- Auxilium Engineering Services Ltd. - Neath
- Avancer Solutions Ltd - Normanton
- Avanteq Ltd. - Westhill
- Avcomm Developments Ltd. - Rickmansworth
- Aveley Engineering - Sheffield
- Avento Ltd - Prestonpans
- Avenues Ltd - Salisbury
- Avery Associates (London) Ltd. - London
- Aviation & Marine Engineering Ltd. - York
- Aviation Jersey Ltd. - Jersey
- Avmats Europe - Ringwood
- Avon Heating Installations - Bristol
- Avon Hydraulics - Wimborne
- Avon Valley Precision Engineering Ltd. - Bristol
- Avondale Associates Ltd - Largs
- Avotec Ltd - Bellshill
- AWA Grove Ltd - Cardiff
- Awon Engineering - Redditch
- Axe and Status Machinery Ltd - Bletchley
- Axial Engineering Ltd. - Hyde
- Axiom Architects & Interior Design Ltd - London
- Axiom Computer Aided Draughting Services - Biggleswade
- Axiom Projects Ltd - London
- Axis Architecture & Design Management Ltd. - Sheffield
- Axis Design Collective - Birmingham
- Axis Land Surveying Ltd. - Hythe
- Axis Precision - Birmingham
- Axis Surveys Ltd - Louth
- Axis3 Design Ltd - Warwick
- Axworthy Contract Surveyors Ltd. - Tiverton
- Axys Solutions Ltd. - Norwich
- Ayers Engineering Ltd. - London
- Ayling & Strudwick - Haywards Heath
- Ayrshire Construction Ltd. - Cumnock
- Azimuth Land Surveys Ltd. - Newport
- Aziz Consulting Ltd. - London
- Azman Associates Architects Ltd - London
- Azure Gardens Ltd - Fleet
- Azzurri Surveying Consultants Ltd. - Bristol
- B B Machine Tools Ltd - Preston
- B Mullan & Sons (Contractors) Ltd. - Limavady
- B Wolfenden Surveying Ltd. - Bromley
- B & B Precision Engineering - Lowestoft
- B & E Engineering Services - Northampton
- B & M Precision Engineers Ltd. - Preston
- B & T Engineering - Bristol
- B & W Engineering Services Ltd. - Aylesford
- B A Portman Engineering Services Ltd. - Sutton Coldfield
- B A Architecture Ltd. - Telford
- B A Consulting (1987) Ltd - Bideford
- B A R Construction - Accrington
- B A R Engineering - Hull
- B A T A - York
- B and A Precision Engineering Ltd - Preston
- B and H Gears - Oldham
- B and W Engineering - Chichester
- B B & B R Smith - St Albans
- B B A Architects Ltd. - Bath
- B B H Architects - Dartmouth
- B B H Chartered Architects (Torquay) Ltd. - Torquay
- B B L B Architects Llp - Stourbridge
- B B Partnership - London
- B B R Architects - Hitchin
- B Bailey & Co - Ilford
- B Burt Engineering Ltd. - Morden
- B C C - Glasgow
- B C D Partnership - Belfast
- B C H Engineering - Bexhill on Sea
- B C P Premier - Edgware
- B C Searle & Son - Huntingdon
- B C T Engineering Ltd. - Woking
- B C W Engineering Services - Burnley
- B D J Engineering (Worcester) Ltd. - Worcester
- B D Precision - Newton Abbot
- B D R Design Ltd. - Tetbury
- B D S Chartered Surveyors & Building Engineers - Reading
- B D S P Partnership - London
- B D Thompson Associates Ltd. - Cardiff
- B E C Engineering - Atherstone
- B E L Precision Engineers Ltd. - Burnley
- B E P Consulting Engineers Ltd. - Brighton
- B E S (Ramsey) Ltd - Huntingdon
- B E S (Ramsey) - Huntingdon
- B F L Services - Crumlin
- B F S Engineering Ltd. - Gloucester
- B G D Engineering Ltd. - St Austell
- B H Blackmore Ltd. - Faringdon
- B H G Architectural Services - Thornton Heath
- B H P Harwood Architects - Wantage
- B H White - Sturminster Newton
- B I Engineering Ltd. - Highbridge
- B I G Engineering Ltd. - Northwich
- B J Ashpole Ltd. - Bishops Stortford
- B J Engineering - Lowestoft
- B J L Engineering - Pevensey
- B J W Design & Controls Ltd. - Mansfield
- B K Architecture Ltd - Loughborough
- B Kemp Grinders - Liversedge
- B Kool - Chesterfield
- B L B - Otley
- B L B Architects - Redditch
- B L B Southern - London
- B L B Surveyors Ltd - Braintree
- B L Tooling & Moulding - Southminster
- B L Total Maintenance Ltd. - Belfast
- B M D Architects - London
- B M Engineering - Newtownards
- B M G Design - Chepstow
- B M J D Architects - Birmingham
- B M P Engineers - Leicester
- B M S Mechanical Services Ltd. - Nottingham
- B McNicholas - Watford
- B P Newbould Ltd. - Leicester
- B P G Ltd. - Dorking
- B P McCabe Ltd - Doncaster
- B P P Construction Consultants - London
- B R T Technical Services Ltd. - Droitwich
- B R W Architectural - Douglas
- B S Burner Services Ltd. - Stourbridge
- B S A Chesters Ltd. - Aylesbury
- B S A Leisure - Marlow
- B S Design Consultancy - Tonbridge
- B S F Consulting Engineers Ltd. - Canterbury
- B S Motors - Wolverhampton
- B S P - London
- B S P Architects - Glasgow
- B S P Engineering Ltd. - Ipswich
- B S W Consulting (Exeter) Ltd. - Exeter
- B T A Structural Design Ltd. - Tetbury
- B T S Engineering - Shrewsbury
- B W Dartnell & Associates Ltd. - Egham
- B W S Architecture - Harrow
- B W S Partnership - Epsom
- B Y A Ltd. - Liverpool
- B&E Engineering Services Ltd. - Wellingborough
- B. Line Plant Ltd - Daventry
- B.D. Engineering (Consultants) Ltd - Johnstone
- B.D.R. Micro Instruments Ltd - Chelmsford
- B.L. Design Ltd - Wallasey
- B.R.D. Tech Ltd - Sawbridgeworth
- B3 Architecture Ltd - Dorchester
- B3 Designers Ltd - London
- Ba Property Consultants Ltd - Hyde
- Baart Harries Newall - Shrewsbury
- Babcock Rail Ltd. - Glasgow
- Bachy (U.K.) Ltd - Ormskirk
- Bagnold Associates Ltd - London
- Bailey Frank & Partners - Basingstoke
- Bailey Associates - Orpington
- Bailey Deakin & Partners - London
- Bailey G & S - Llandysul
- Bailey Johnson Hayes Ltd. - St Albans
- Bailey Michael Sidney - Boston
- Bailey Partnership - Plymouth
- Baily Garner - Birmingham
- Baily Garner - London
- Baily Garner Llp - London
- Bainbridge & Co - Solihull
- Baird & Lumsden - Stirling
- Baker & Associates - London
- Baker Barnett Ltd. - Chesterfield
- Baker Brooks Partnership - Knutsford
- Baker Commercial - Hampton
- Baker Consultancing Services - Hook
- Baker Hall Ltd. - Birmingham
- Baker Lambie (Surveyors) Ltd. - London
- Baker Mallett - West Malling
- Baker Mallett Llp - Warrington
- Baker Ruff Partnership - Taunton
- Balco Engineering - Braintree
- Balfour Beatty Rail Projects Ltd. - Derby
- Ball Design Ltd. - Rugby
- Ballard & Turner Ltd. - Newmarket
- Banbeck Ltd. - Haverfordwest
- Bancil Partnership - Southall
- Banham - St Albans
- Banks Long & Co. - Lincoln
- Banks Partnership - Bicester
- Banks Smith & Co. - Otley
- Bann Engineering Co. Ltd. - Coleraine
- Banners Gate Ltd. - Halesowen
- Bannway Engineering Ltd. - Stourbridge
- Baram Ltd. - Southampton
- Barbara Weiss Architects - London
- Barber Casanovas Ruffles Ltd. - Cambridge
- Barclay + Phillips Ltd. - Salisbury
- Barclay Dougall (Holdings) Ltd. - Denny
- Barclay Engineering Consultants Ltd - Braintree
- Barclay Gordon & Scott - Coatbridge
- Bardcrest Ltd - Manchester
- Barden Engineering Ltd - Blackburn
- Bare Leaning & Bare - Exeter
- Barefoot & Gilles - London
- Barhale Construction P L C - Peterborough
- Barker & Associates - Bishops Stortford
- Barker & Jordan Ltd. - Bradford
- Barker Barton & Lawson (Channel Islands) - Jersey
- Barker Storey Matthews - Peterborough
- Barkley Hydraulics Ltd. - Doncaster
- Barky Instrument International - Folkestone
- Barlow Henley Architects Ltd. - Bristol
- Barn Partnership Ltd, The - Reading
- Barnarch Ltd. - Tamworth
- Barnard & Associates Ltd. - London
- Barnes Canon Architects Ltd. - Taunton
- Barnes Design Partnership - London
- Barnes Engineering Ltd. - Portsmouth
- Barnes McCrum Partnership - Belfast
- Barnes Noble Edwards Ltd. - Kettering
- Barr Gazetas Architects - London
- Barrett Engineering - Walsall
- Barrett Firrell Ltd. - London
- Barrett Haskins Designs Ltd. - Sevenoaks
- Barrett Lloyd Davis Associates - London
- Barrett Mick - Burton on Trent
- Barrett, J and Son - Driffield
- Barrie Briscoe Associates - Penzance
- Barrie Pierce Building Design Ltd. - Stroud
- Barrie Simons & Associates - Exeter
- Barrie Tankel Partnership Ltd. - London
- Barrie Whitley - Burnham on Crouch
- Barron & Partners Ltd - Emsworth
- Barry & Vale Grant Agency Ltd. - Barry
- Barry Collings Consultants Ltd. - Wetherby
- Barry Cosslett Ltd - Pontypridd
- Barry Crux & Co - York
- Barry Davenport & Co. Ltd. - Sandbach
- Barry Golledge Associates Ltd. - Bristol
- Barry Green Associates - Keighley
- Barry Grimes - Spennymoor
- Barry J Reid - Waltham Cross
- Barry Johnson Architects - Boston
- Barry King - Bexley
- Barry Maltz Associates - London
- Barry Newcombe Associates - Northwich
- Barry Rawdon Associates Ltd. - Sleaford
- Barry Stow Architect Ltd - London
- Barry Tomlinson Architectural Services Ltd - Brecon
- Barry Watkins & Associates - Stroud
- Barrytait Chartered Surveyor - Morpeth
- Bartle Associates Ltd - Southsea
- Barton Civil Engineering - Gateshead
- Barton Civil Engineers Ltd. - Warrington
- Barton Engineers Ltd. - London
- Barton Hasker Ltd. - Solihull
- Barton Willmore LLP - Edinburgh
- Barton Willmore LLP - Cardiff
- Barton Willmore Partnership London Ltd, The - London
- Barton Wilmore Planning Partnership - London
- Base 1 Architects Ltd - Leeds
- Base Architecture & Design Ltd. - Shrewsbury
- Basetek Ltd. - Ipswich
- Basil Streat - Bicester
- Basmile Engineering Ltd. - Leighton Buzzard
- Bass Engineering - Tonbridge
- Bates Stuart - Halifax
- Bath Institute of Medical Engineering Ltd. - Bath
- Batting L N & Co. - High Wycombe
- Batting and Co - High Wycombe
- Battledown Studios - Perth
- Bawa Engineering Ltd. - Bedford
- Baxter Clark & Paul - London
- Baxter Clark & Paul (Dundee) Ltd. - Dundee
- Baxter Communications Ltd. - Sidcup
- Baxter Glaysher Consulting Ltd - Reigate
- Bay Building Services Ltd - Carnforth
- Bay Drilling Co. Ltd. - Banchory
- Bayleaf Designs Ltd - Derby
- Baynes & Mitchell Architects - London
- Baytree Locksmiths - Lincoln
- Bbm Sustainable Design Ltd - Lewes
- Bbp Building Services Ltd. - Berkhamsted
- Bbs Cutters & Tooling - Birmingham
- Bcats Network Ltd - Farnham
- BCP Castings Ltd - Andover
- BD Engineering - Blandford Forum
- BDH Engineering Co - Cambridge
- Bdsp Partnership Ltd. - London
- Bdt (Uk) Ltd. - Swindon
- Beacon Construction (London) Ltd - Sevenoaks
- Beacon Group Ltd. - London
- Beacon Technical Services Ltd - Pontefract
- Beadsmore Associates - Redditch
- Beaird Engineering Services - Coventry
- Beal & Ross Cooper - Stockport
- Bear Engineering Services Ltd. - Wellingborough
- Beard Engineering Co Ltd, The - Nottingham
- Beardall Parry & Associates Ltd. - Wantage
- Beaton Thomas Scarlioli Ltd - Llangadog
- Beattie Watkinson Ltd. - Glasgow
- Beattie Watkinson Partnership Ltd, The - London
- Beauchamp Ratcliffe & Partners - Wigan
- Beauchamps Chartered Surveyors - Dorchester
- Beaufort Ellis Associates - Swindon
- Beautech Services Ltd. - Bolton
- BEC Group - New Milton
- Becker Geomatics Ltd. - Livingston
- Beckett & Kay - London
- Beckett & Kay L L P - London
- Beckett Co Ltd, The - Warwick
- Beckett Jackson Thompson Ltd. - Nottingham
- Becon (Precision) Engineering Manufacturers Ltd. - Guildford
- Bedestone Precision Engineering Ltd. - Halesowen
- Bedford & Jobson Ltd - Totnes
- Bedford Trevor Partnership - Liskeard
- Beech Construction Services (Fife) Ltd. - Cupar
- Beecham Moore Partnership - Brighton
- Beechcross Ltd. - Cardiff
- Beedes Ltd. - Burgess Hill
- Beedie Lamont Ltd. - Aberdeen
- Beejay Rail Ltd. - Glasgow
- Beers (Consulting Engineers) Ltd. - Croydon
- Beesley Silas - Manchester
- Beevor Mull Architects - Huntingdon
- Behrmann Goddard - London
- Beighton Construction Ltd. - Chesterfield
- Belair (Research) Ltd - Cambridge
- Belben Wells - Exeter
- Belfast Crystal Ltd. - Belfast
- Bell Architects - Ballymoney
- Bell Burton Associates - Douglas
- Bell Design - Cardigan
- Bell Design Services - Armagh
- Bell Geospace Ltd - Aberdeen
- Bell Haynes Ltd. - Bristol
- Bell Ingram Ayrshire Ltd - Ardgay
- Bell Ingram Ayrshire Ltd. - Ayr
- Bell Precision Ltd. - Letchworth
- Bell-Ingram - Ardgay
- Bell-Rapide Draughting Ltd - Clacton on Sea
- Bellebuild Ltd - Largs
- Bells Commercial Ltd. - London
- Belmont Designs - Lewes
- Belmont Engineering Ltd. - Douglas
- Belvanbuild Ltd. - Dartford
- Bema Engineering Ltd. - Pontypridd
- Ben Macdonald Associates - Bordon
- Benchmark Project Engineering Ltd. - Inverurie
- Benchmark Surveys - Exeter
- Benedict's Consultant Surveyors Ltd. - Witney
- Benedicts - Witney
- Benjamin Bentley & Partners (Bradford) Ltd - Bradford
- Benjamin Fitzpatrick - Brighouse
- Bennett Architectural Design Ltd. - Aberdeen
- Bennett Design Ltd - London
- Bennett Dludgiewicz & Date Architects - Bath
- Bennetts Associates Ltd. - London
- Bentham & Holroyd Ltd. - Bradford
- Bentham Building & Civil Engineering - Liverpool
- Benthams Design - Bradford
- Bentley Cotton (Sales & Service) Ltd. - Loughborough
- Benton Setterfield Partnership - London
- Bentry Ltd. - Frodsham
- Beresford Dunne Consultants - Leamington Spa
- Berkshire Engineering Supplies Ltd. - Reading
- Berman Guedes Stretton Partnership - Oxford
- Bernard Engle Architects & Planners Ltd. - London
- Bernard Holmes Precision Ltd. - Sleaford
- Bernard James Porter - Melton Constable
- Bernard Martin Chartered Architects - Newark
- Bernard Neville & Co - Reading
- Bernard Taylor Partnership Ltd. - Stockport
- Berry Engineering - Bridgwater
- Bertrandt U K Ltd. - Basildon
- Berwick Manley Associates Ltd. - Bedford
- Bes Consulting Engineers Ltd - Newton Aycliffe
- Bescom (Services) Ltd. - South Croydon
- Bespoke Architectural Services - Rotherham
- Bespoke Conservatory Designs Ltd - Norwich
- Beswick Partnership Ltd. - Tewkesbury
- Beta Structural Surveys Ltd. - London
- Beth Engineering Ltd - Chesterfield
- Betterteam Ltd. - Aberdeen
- Bettie Flanigan - Belfast
- Bevanshape Ltd - Farnham
- Beveridge Associates - Upminster
- Beverley Design Services - Tunbridge Wells
- Beyondfourwalls Ltd - Glasgow
- Beyondfourwalls Ltd. - Glasgow
- Bg Engineering Ltd. - Chesterfield
- Bgs Architects Ltd. - Oxford
- Bhl Consultants Ltd. - London
- Bi Ways Engineering Services - Lymington
- Bianchi Chartered Surveyors - Twickenham
- Bica Resources Ltd. - Llanelli
- Bickford Associates - Loughton
- Biddulph Architects Ltd. - Bristol
- Bidesign Architecture - Derby
- Bidwell (Machine Tools & Equipment) Ltd. - Grays
- Bifrangi - Sheffield
- Big Blue Divers - Ely
- Bigwood Associates Ltd. - Solihull
- Bigwood Associates Ltd. - Solihull
- Bigwood Associates Ltd. - Birmingham
- Bil Solutions - Gloucester
- Bill Harkin Associates - Haywards Heath
- Bill Morris Architects - London
- Billingborough Tractors & Commercials - Sleaford
- Billingham Engineering Ltd. - Billingham
- Bingham Precision Engineers Ltd - Basildon
- Bingham Yates & Partners - Carlisle
- Binley Properties Ltd. - Coventry
- Binnie Murray & Hutton - Greenock
- Bipin Kar & Associates Ltd. - Warrington
- Birch Associates - Birmingham
- Birch Kevin Architectural Services - London
- Birchwood Management - Radlett
- Birkemp Ltd. - Pontypridd
- Birse Rail Ltd. - Birmingham
- Birwelco Ltd. - Halesowen
- Biscoe & Stanton Architects - London
- Biscoe Craig Hall - London
- Bishop & Bagust Ltd. - Cirencester
- Bishop & Wheeler - Ivybridge
- Bishop Beamish Ltd. - London
- Bishop Engineering Ltd. - Birmingham
- Bishop Whitehead Ltd. - Maidstone
- Bisiker & Co - Bristol
- Bisset Moffatt & Hill - London
- Bissett & Kenning - Leeds
- Bissett Kenning Ltd - Newcastle upon Tyne
- Bitton Precision Engineering Ltd. - Bristol
- Biywell Products Ltd. - Bradford
- Bizzy Blue Design Ltd - Romsey
- Bjb Engineering Ltd. - Leicester
- Bjn Associates Ltd. - Nuneaton
- Black Architecture Ltd. - London
- Black Box Architects Ltd - Carlisle
- Black Cat Acoustic Environments Ltd - Tunbridge Wells
- Black Cat Locksmiths - Slough
- Black Country Pressings Ltd. - Wednesbury
- Black Gavin & Partners - Newcastle upon Tyne
- Blacker Michael Partnership - London
- Blackledge Engineering Services Ltd. - Southsea
- Blackplan Ltd. - Erith
- Blackthorn Precision Engineering - Horsham
- Blackwood Architects Ltd - Aylesbury
- Blackwood Structural Design Ltd - Hope Valley
- Blade (Chippenham) Ltd. - Chippenham
- Blair Drilling - Macclesfield
- Blair Gratton Architects Ltd - Derby
- Blake Associates - Enniskillen
- Blake Hopkinson Architecture Llp - North Shields
- Blakely & Co - Craigavon
- Blakey Engineering Services Ltd. - Bingley
- Blamphin & Associates - Belfast
- Blanchard Wells Ltd. - Southampton
- Blaygrove Ellis Ltd. - Thame
- Blencowe Associates - Chipping Norton
- Blenheim Court Property Management (Phase 1) Ltd. - Leeds
- Blezard Design & Consult - Preston
- Blezard Ltd. - Preston
- Blick Building Contractors - Bedford
- Blitzgold Ltd - London
- Block Architecture Ltd - London
- BLOCK99 Ltd - London
- Blue Gladioli Co. of Chippenham Ltd. - Chippenham
- Bluebase - London
- Blueberry Engineering Ltd - Knaresborough
- Blueprint Architecture Ltd. - Cheltenham
- Blueprint Building Design Services Ltd. - Cheltenham
- Blueprint Engineering Ltd. - Rayleigh
- Blueprint Packaging Concepts - Eastleigh
- Bluesource Information Ltd. - London
- Blundell Thompson Hargreaves Co Ltd - Longfield
- Blurock Partnership Ltd, The - Billingham
- BM3 Architecture Ltd. - Birmingham
- BMD Engineering - Moreton in Marsh
- Bmt Fluid Mechanics Ltd. - Teddington
- Bmt Shipdesign Ltd - Teddington
- Bo-Mac (Sheffield) Ltd. - Sheffield
- Bo-Mac (Sheffield) Ltd. - Sheffield
- Boar Engineering Ltd - Barking
- Board & Sheet Plant Supplies - Rochester
- Boast Associates - Stevenage
- Bob Combs Architects - Whitstable
- Bob Costello Associates Ltd. - Stafford
- Bob Johnson Engineers Ltd. - Shrewsbury
- Bob Mousley - Chichester
- Boddy & Edwards - Slough
- Bode Designs Ltd. - London
- Boden Associates Ltd. - Nottingham
- Boden Lloyd - Nottingham
- Boisot Waters Cohen Partnership - London
- Boldbrink Ltd - Sunderland
- Bolt and Nut Manufacturing - Rotherham
- Bolton Birch - Chester
- Bolton Priestley Ltd. - London
- Bom Engineering Ltd. - Leeds
- Bond Bryan Building Surveying Ltd. - Sheffield
- Bonell Industries - Smethwick
- Bonner & Partners - Birmingham
- Bonner Locksmiths - Reading
- Bonnyside Engineering Co. - Bonnybridge
- Bonshor Richard Chartered Architect - London
- Booker & Best - Ashford
- Boostsurvey Ltd. - London
- Bootham Engineers (Eastfield) Ltd - Scarborough
- Bootham Engineers Ltd. - York
- Border Steelwork Structures Ltd. - Carlisle
- Bordervalley Ltd. - Bradford
- Bored Bar Engineering Ltd - Sheffield
- Borehamwood Hydraulics - Borehamwood
- Borron Shaw & Co. Ltd. - Wigan
- Boss Air Conditioning Ltd - Rickmansworth
- Boss Services - Louth
- Bostock Commercial Ltd. - London
- Boston Engineering Supplies & Services - Boston
- Boswell Associates (Architecture) Ltd. - Uckfield
- Boswell Mitchell & Johnston Ltd. - Glasgow
- Boulter Mossman Chartered Surveyors - Petersfield
- Bourne & Chamberlain Engineering - Colchester
- Bourne Technology Ltd. - Wimborne
- Bourne Wood Partnership Ltd. - St Albans
- Bowen Dann Knox - Colwyn Bay
- Bowen Partnership - London
- Bower Design Ltd. - Altrincham
- Bower Edleston Architects - Nantwich
- Bowers C A Services - Accrington
- Bowker Sadler Partnership Ltd. - Stockport
- Bowman Riley Architects Ltd. - Skipton
- Bowman Riley Partnership - Skipton
- Bowring Engineering - Witney
- Bowshaw Engineering Co - Wolverhampton
- Bowsie Walker Partnership Architecture - Downpatrick
- Box Associates - Ipswich
- Boxtrees Precision Engineering Ltd - Halifax
- Boyarsky Murphy Ltd. - London
- Boyce Evens & Carpenter Chartered Surveyors - Enfield
- Boyce Thornton Chartered Surveyor - Esher
- Boyd & Gardner - Belfast
- Boyd Partnership, The - Belfast
- Boyer Associates - Bristol
- Boyes Rees Architects Ltd. - Cardiff
- Bozeat Partnership, The - Didcot
- Bph Engineering Services Ltd. - Sheffield
- BPS Developments - Leicester
- Bracehand Ltd. - Shefford
- Bracey David R - Cambridge
- Brackenward Mainteneering - Colchester
- Bracketts - Tunbridge Wells
- Brackfix Ltd. - Bradford
- Bradell Engineering - Hull
- Bradfield Routledge Associates - Brixham
- Bradley Associates Ltd. - Cardiff
- Bradley Hall - Durham
- Bradley Harris Ltd - Beckenham
- Bradley Refrigeration Ltd. - Sheffield
- Bradley Stankler & Associates - Leeds
- Bradon Engineering Ltd. - Coventry
- Bradshaw (Precision Engineering) Ltd. - Sheffield
- Bradshaw Gass & Hope - Bolton
- Bradshaw Rowse Harker Construction Design Management Ltd - London
- Brady Chartered Surveyors - Manchester
- Braham Gold - London
- Braham Sears & Partner - London
- Braintree Precision Components Ltd. - Braintree
- Braithwaite & Jackson - Leeds
- Bramhall Blenkharn Ltd. - Malton
- Bramhall Design Consultants Ltd - Stockport
- Bramley Pate & Partners - Preston
- Bramptons - Chessington
- Bramwell Hall Architects Ltd - Oxford
- Brand Leonard Ltd. - Chelmsford
- Brandon Surveys Ltd. - Dunmow
- Branston Engineering Ltd - Lincoln
- Brassington Birtwistle Ltd. - Leeds
- Brassington Rowan Ltd. - Leeds
- Brave GB Ltd - Walsall
- Bravevalue Ltd - Montrose
- Braxtech Ltd. - Aberdeen
- Bray Plastics - Leighton Buzzard
- Bray Richard N - Guildford
- Braybix Ltd. - Birmingham
- Braye Precision Ltd - London
- Breathe Safety Services - Bournemouth
- Brecker Grossmith & Co. - London
- Breckland Ltd. - Matlock
- Bremwal Ltd. - Jersey
- Brendan Keogh - Ashford
- Brennan Associates - Londonderry
- Brent Huntley Architects Ltd - East Grinstead
- Brett Incorporated Ltd - Horsham
- Brewster Bye Architects Ltd. - Leeds
- Brewster Leech Ltd. - London
- Brian Aldridge Associates Ltd. - Maidenhead
- Brian Andrews Associates Ltd. - Sheffield
- Brian Bell Associates Ltd. - Royston
- Brian Campbell Associates Ltd. - Ulverston
- Brian Christian Building Surveyor - Saffron Walden
- Brian Cole Associates - Wellingborough
- Brian Cooper Architect Ltd - Nottingham
- Brian Dadd Commercials - Buckhurst Hill
- Brian E Hodgson - Weymouth
- Brian Fitchett Commercial - Trowbridge
- Brian Foxley Architect - Skipton
- Brian Gale Associates - London
- Brian Hook & Partners - Oxford
- Brian Horton & Associates Ltd. - Sutton
- Brian Jack Associates - East Grinstead
- Brian Masiy - London
- Brian Payne Architect - Bangor
- Brian Pyle Consultants Ltd. - Reigate
- Brian R Bassett Ltd. - Leamington Spa
- Brian Richards & Associates - Great Yarmouth
- Brian Sensecall - Ilkeston
- Brian Tull - Keston
- Brian W Murray Ltd. - Holywood
- Brian Wilson - Omagh
- Brian Young Associates - Liverpool
- Briar Associates - Stourbridge
- Bridge Mill Civil Engineering Ltd. - St Columb
- Bridwey Precision Engineering - Weymouth
- Brier Engineering Ltd. - Nelson
- Brierley Groom & Associates - York
- Briggs Air Motors - Redditch
- Briggs Burley Chartered Surveyors - York
- Briggs Marine Contractors Ltd. - Burntisland
- Bright Sparks Electrical - Ramsgate
- Brighton Consulting Ltd. - Basingstoke
- Brill & Owen - London
- Brimac Hydraulics Ltd. - Glasgow
- Brimar Technique - Ilfracombe
- Brimelow McSweeney Architects Ltd. - London
- Brindley & Taylor - Stockport
- Brinson Staniland Partnership Ltd. - Bromley
- Briskwork Ltd - Romford
- Bristow Johnson & Partners - London
- Britannia Agency Consultants Ltd. - St Albans
- Britannia Electrical Services - Newtownabbey
- Britch & Associates Ltd - Salford
- Brite Industrial - Dewsbury
- Brite Precision - Newbury
- British Metal Treatments Ltd. - Glasgow
- British Saw Company - Rainham
- British Silverware Ltd - Sheffield
- Briton Fabricators Ltd. - Nottingham
- Brittian Hadley (C I) Ltd - Guernsey
- Britton Le Bihan Ltd. - Highbridge
- Brixham Marine Services Ltd. - Brixham
- Broad M C - Warwick
- Broadgate & Thompson - Louth
- Broadland Diamond Drilling Ltd - Mansfield
- Broadsword Engineering - Newark
- Brock Charles Ltd - Alcester
- Brockhurst Associates Ltd - Gloucester
- Brocklehurst Copper & Williamson - High Wycombe
- Brocksford Design Ltd - Ashbourne
- Brockville Consultancy Ltd - Stonehaven
- Brody Forbes - Bridport
- Bromcrown Ltd - Crewe
- Brook Engineering (Ipswich) Ltd - Ipswich
- Brook Precision - Hinckley
- Brookbanks Consulting Ltd. - Birmingham
- Brooke Appleyard Associates - Windlesham
- Brookes Anthony & Phillip Roberts - Bristol
- Brookhouse Composites Ltd. - Darwen
- Brooklands Engineering Consultants - Weybridge
- Brooks Architects Ltd - Leiston
- Brooks Chartered Surveyors - Bath
- Brooks Ecological Ltd - Leeds
- Brooks Murray - London
- Brooks Precision Engineering Ltd. - Aylesbury
- Brookson (1860) Ltd - Warrington
- Brotherhood Lee Architects Ltd - Chester
- Broughton Beatty Ltd. - Newport Pagnell
- Browick Engineering - Nuneaton
- Brown & Buttrick - Scunthorpe
- Brown & Lee Clifford Billings - Aylesbury
- Brown & Merry Commercial - High Wycombe
- Brown & Root North Africa - London
- Brown Roger J - Dunmow
- Browne Smith Baker & Partners - Leeds
- Browne Smith Baker & Partners - Darlington
- Brownhill Haywood Brown Architects - Lichfield
- Browns Engineering - Hitchin
- Browns Engineers Ltd. - Nelson
- Browns of Stafford - Stafford
- Bruce Cavell - London
- Bruce Armstrong Precision Engineering - Wrexham
- Bruce Cocking Engineering - Truro
- Bruce Cufley & Partners Ltd. - Rochester
- Bruckemann Ltd - Liverpool
- Bruges Tozer Ltd - London
- Bruges Tozer Partnership - Frome
- Brunel Design Group - Fareham
- Brunel Design Partnership Ltd. - Bristol
- Brunel Surveys Ltd. - Swindon
- Brunstock Engineering - Carlisle
- Brunswick Engineering Ltd. - London
- Brunton Boobyer Partnership - London
- Bruton Knowles - London
- Bruton Knowles - London
- Bruton Knowles - Taunton
- Bryan Connor Associates Ltd - London
- Bryan G Hall Ltd. - Leeds
- Bryan Martin Architect - Daventry
- Bryan Packman Marcel - London
- Bryan Pope Engineering Ltd. - Ilkeston
- Bryan W Jennick Arics - Salisbury
- Bryan Wells Associates Ltd. - London
- Brydon Wood Associates - London
- Brymac (London) Ltd. - Epping
- Bryn Engineering - Rushden
- Bryncir Garage - Garndolbenmaen
- Bsd Solutions Ltd - Harrogate
- Bsdesign Ltd - Gloucester
- Bsec Design Ltd. - Tring
- Buchan Design Ltd. - Fraserburgh
- Buchan Design Services - Fraserburgh
- Buchanan Associates Architects Ltd. - London
- Buchanan Design - Ludlow
- Buck Design and Engineering Ltd - Immingham
- Buckingham Associates - Rotherham
- Buckinghams - Crewe
- Buckle Chamberlain Partnership Ltd. - Usk
- Buckley Gray Yeoman Ltd. - London
- Buckmaster Batcup Architects Ltd. - Swansea
- Bude Precision Engineering Ltd. - Bude
- Budge & Mableson - Boston
- Budworth Hardcastle - Peterborough
- Budworth Hardcastle Ltd. - Kettering
- Build Plan (Laceby) Ltd. - Grimsby
- Building & Design Services (Nottm) Ltd. - Nottingham
- Building Business Centre Ltd - Bungay
- Building Construction Consultancy Service - Worcester
- Building Design Beverley Ltd. - Beverley
- Building Design Bureau Ltd - London
- Building Design Consultants - Waltham Abbey
- Building Design Group - Tamworth
- Building Design Partnership Ltd - Glasgow
- Building Design Partnership Ltd - Sheffield
- Building Design Partnership Ltd. - Manchester
- Building Design Practice Ltd. - Wolverhampton
- Building Design Service Ltd. - Ilkeston
- Building Design Services - Teignmouth
- Building Design Solutions - Dungannon
- Building Design U K Ltd. - Castleford
- Building Doctors Ltd. - London
- Building Drawing Services - Carnforth
- Building Ideas Ltd - Maidstone
- Building Link Design Ltd. - Doncaster
- Building Management Services - Strabane
- Building Plans - Worcester Park
- Building Plans & Design - Crewe
- Building Plans & Services Ltd. - Southampton
- Building Plans Ltd. - Norwich
- Building Regulations Consultants Ltd - Southampton
- Building Services & Design Associates Ltd. - Brighton
- Building Services Design - Belfast
- Building Services Design & Installation - Lanark
- Building Services Partnership Ltd - Halesowen
- Building Services Partnership Ltd. - Altrincham
- Building Simulation Ltd. - Devizes
- Building Strategies Ltd. - Morden
- Building Surveying & Project Management - Basingstoke
- Building Surveying & Project Management Ltd. - Basingstoke
- Building Surveying & Project Management Ltd. - Basingstoke
- Building Tectonics Ltd - Milton Keynes
- Buildings Investigation Centre Ltd - Edinburgh
- Buildmulti Ltd - Malvern
- Built by Design Scotland Ltd. - Bathgate
- Built Engineers - London
- Bulleys Chartered Surveyors - Oldbury
- Burblethwaite Design Ltd - Grange over Sands
- Burdett Site Services Ltd - Worksop
- Burdus Ltd - Corbridge
- Burgage Plots Ltd. - Oxford
- Burgrade Ltd. - Wokingham
- Burke Ian Associates - Dundee
- Burleigh & Co - Haywards Heath
- Burls Gordon & Rolland Ltd - Caterham
- Burnage Associates Ltd - Southampton
- Burnel Design - Leighton Buzzard
- Burnell Briercliffe Architects - Sheffield
- Burnet Bell Ltd. - Glasgow
- Burnett Pollock Associates - Edinburgh
- Burnham Industrial Services Ltd - Maidenhead
- Burnison Engineering Ltd. - Thatcham
- Burnley Metal Treatment - Burnley
- Burnley Wilson Fish - London
- Burns & Partners - Edinburgh
- Burns Associates Architects Ltd. - Swaffham
- Burns Guthrie & Partners - Tunbridge Wells
- Burns Stewart Engineering - Bangor
- Burr Design Associates - Rochdale
- Burrell Contract Services Ltd - Norwich
- Burrell Foley Fischer L L P - London
- Burroughs Stewart Associates - Douglas
- Burst Engineering Ltd. - Bolton
- Bursting Shell Design & Development Ltd. - Ipswich
- Bursting Shell Design & Development Ltd. - Ipswich
- Burston Cook Associates - Bristol
- Burtech Precision Ltd. - Scunthorpe
- Burton Saw International Ltd. - London
- Burwell Deakins Architects Ltd - London
- Bus & Coach Engineering Ltd. - Exeter
- Bush Engineering Services Ltd. - Sevenoaks
- Bush Park Engineering Ltd. - Market Harborough
- Bushvine Ltd. - Colyton
- Businelli-Wilmot Partnership - London
- Bussey`S Catering Hire & Supplies Ltd - York
- Bustech Engineering Ltd. - London
- Busygrade Ltd. - Enfield
- Bute Partnership (Wales) Ltd. - Cardiff
- Butler & England Ltd - London
- Butler & Young (Scotland) Ltd. - Coatbridge
- Butler & Young Associates - Oxted
- Butler Richards & Co. Ltd. - London
- Butlers Patternmakers Ltd. - Willenhall
- Butterfield Architecture Design Ltd - Manchester
- Button Richardson Ltd - Sevenoaks
- Buttress Fuller Alsop Williams Ltd. - Manchester
- Buxton Associates (Consulting Engineers) Ltd. - London
- Buxton Technical Consultancy - Bristol
- Buzztech - Lymington
- Byrne Utilities Ltd. - Penzance
- Byrom Clark Roberts Ltd - Sheffield
- Bywater Tweedale Architects - Milnthorpe
- Byzak Ltd - Gateshead
- Byzak Ltd - Hamilton
- Byzak Ltd. - Ormskirk
- C J Belsey Ltd. - Aberystwyth
- C O B Luton Ltd. - Luton
- C P L Service Ltd. - Cannock
- C R Parrott Consultants Ltd. - Scunthorpe
- C Ronga & Sons Ltd. - London
- C & A Consultants (Torquay) Ltd. - Torquay
- C & A Precision Engineering Ltd. - Bradford
- C & C Design Associates - Winsford
- C & D Creative Engineering - Cardiff
- C & E Builders Ltd. - Workington
- C & E Engineering - Nelson
- C & E Telecoms - Belfast
- C & H Bradbury Ltd. - Solihull
- C & H Engineering - Willenhall
- C & H Howe Ltd. - Cannock
- C & H Tools - Smethwick
- C & M Contractors(Manchester)Ltd. - Manchester
- C & M Engineering - Bury
- C & M Engineering Ltd. - Stockport
- C & M Nicol Ltd. - Inverurie
- C & M Services (Stonehouse) Ltd. - Stonehouse
- C & P Building Contractors Ltd. - Neath
- C & R Metal Works - London
- C & S Consultants - Farnham
- C & S Pearson Ltd. - Newtownards
- C A Barr Ltd. - Hull
- C A Blackwell (Contracts) - Swansea
- C A Blackwell (Contracts) Ltd. - Colchester
- C A Cornish & Associates Ltd. - London
- C A Manning - Chippenham
- C A Plater & Associates - Forest Row
- C A Reynolds - Lincoln
- C A S Engineering (Ni) Ltd. - Belfast
- C A T Surveys Ltd. - Romford
- C A Vaughan Blundell Ltd. - Sandwich
- C A Young Ltd - Redruth
- C and A Transport - Grimsby
- C and J Components - Horley
- C and T Engineering Ltd - Weston super Mare
- C B 3 Design - Lymm
- C B Design Services Ltd. - Birmingham
- C B G A Plc - London
- C B G Consultants Ltd. - Oxford
- C B Swift - London
- C B Systems (Western) Ltd. - Bristol
- C Bar - Wickford
- C C Crump Ltd. - Deeside
- C C D - Guernsey
- C C Gladding Architects - Ormskirk
- C C H Engineering Ltd. - Carlisle
- C C J W Ltd. - London
- C C Marine - Beccles
- C Carter & Son - Spalding
- C Change (Southern) Ltd. - Brighton
- C Churchfield Engineering - Malvern
- C D L Graphic Machinery - Boston
- C D M Engineering Ltd. - Dundee
- C D Martin Ltd - Tamworth
- C D P Architects Ltd. - Glasgow
- C D Precision - Stockton on Tees
- C D S Precision Engineering Ltd - Poulton le Fylde
- C Danby Mechani - Boston
- C Davies Design - Oswestry
- C Donnelly Construction Ltd. - Middlesbrough
- C Douglas Engineering Services - Bury
- C E C Engineering Services Ltd. - East Grinstead
- C E C P Ltd - Bolton
- C F Moller Architects Uk Ltd. - London
- C F Denby Ltd. - Canterbury
- C F Harrington(Builders)Ltd. - Wembley
- C F Thompson Precision Engineers - Basildon
- C G B Partnership - Bristol
- C G Bone Associates - St Albans
- C G Godfrey Ltd. - Spalding
- C G Partnership Ltd - Gloucester
- C G Perrett Plant Hire - Lydney
- C H & Co Burbury - Middlesbrough
- C H B C Architects Ltd - Ingatestone
- C H M Engineering (Farnworth) Ltd. - Bolton
- C I (Risk Management Services) Ltd. - Bishops Stortford
- C J Cad Design Ltd. - Stafford
- C J Harpur & Sons Civil Engineering Ltd. - Ellesmere Port
- C J Henderson (Eng) Ltd. - Alloa
- C J Day & Sons - Templecombe
- C J Engineering - Wednesbury
- C J L Design & Management Ltd. - Eastleigh
- C J McCauley - Belfast
- C J Monaghan & Co. - Londonderry
- C J Morford Architectural & Design Services Ltd. - Truro
- C J Norman Ltd. - Romford
- C J Pound - Bath
- C J Projects - Chepstow
- C J Services - Knutsford
- C J Ward Design Ltd - Stoke on Trent
- C J Woodman Gas Services - Bromsgrove
- C K A Architectural Consultants Ltd. - Hailsham
- C L A Architecture - Norwich
- C L C Construction Consultants Ltd. - Cardiff
- C L Design Associates - Londonderry
- C L M Services Ltd. - Wallasey
- C Lofthouse - Sunderland
- C M B Hydraulic Services Ltd - Doncaster
- C M G Security Ltd. - Sheffield
- C M H Engineering - Cirencester
- C M I Workplace Ltd. - Milton Keynes
- C M L Engineering Services Ltd. - Lewes
- C M M C - Reading
- C M Parker & Browne - London
- C M S Bath Ltd. - Corsham
- C N C Engineering (Dundee) Ltd. - Dundee
- C N C Profile Engineering - Rochdale
- C N C Solutions 2000 Ltd - Brackley
- C P E Precision Engineering Co. Ltd. - Shrewsbury
- C P M G Architects Ltd. - Nottingham
- C P Precision Engineering - Keighley
- C P Precision Engineering Ltd. - Aberdeen
- C P S Electricals(Wellington)Ltd. - Telford
- C P S Engineering Ltd - Romford
- C Payne - Wellingborough
- C Plc Associates Ltd. - Cheltenham
- C Ponsford Plumbing & Heating - Kidderminster
- C Q S Consultants Ltd. - Dunfermline
- C R Utting Ltd. - North Walsham
- C R & G M Lord - Bridport
- C R A Ltd. - Penicuik
- C R C Associates Ltd. - Cottingham
- C R G P Robertson - Glasgow
- C R G P Robertson - Hamilton
- C R K Services Ltd. - Edenbridge
- C Rayment (Precision Engineering) Ltd - Sudbury
- C Reed & Associates - Crediton
- C S 2 Ltd. - Northampton
- C S A Architects - Truro
- C S Design Consultants - Macclesfield
- C S Fox Plant Hire - Gainsborough
- C S H Consultancy Ltd - Louth
- C S L Surveys Ltd. - Stevenage
- C S N Consulting Services - Stockton on Tees
- C S Surveying & Architectural Design Ltd. - Sheffield
- C S Winter Engineering - Haddington
- C Sault Building Surveyor - Devizes
- C T M Design Ltd. - Glasgow
- C Tidmarsh - Deal
- C Tonbridge - Otley
- C Tonbridge - London
- C V Russell Toolmaking - Stroud
- C W & R C Shrimplin - Luton
- C W D Engineering Ltd. - Thetford
- C W Gomm - London
- C W Griffin Ltd - Winscombe
- C W Huckle & Associates - Daventry
- C W S Construction Ltd - Sandwich
- C W S Wrought Design - Southport
- C W T Partnership - Rochford
- C2 Strategy Ltd - London
- C3S Ltd - Stockton on Tees
- Cabe Engineering - Leicester
- Caberhaven Ltd. - Stockport
- Cable & Aldous Ltd. - Harleston
- Cable Consulting International Ltd - Sevenoaks
- Cad Delta Architectural Services Ltd - Newport
- Cad Lincs Ltd. - Peterborough
- Cad Services (Scotland) Ltd. - Glasgow
- Cad Station - Wallasey
- Cad Unlimited Draughting - Glasgow
- Cad-Force Developments (U K) Ltd. - Manchester
- Cadability Thames Valley Ltd - Maidenhead
- Cadell2 - Linlithgow
- Cadenhead & Co - Penarth
- Cader Construction Ltd - Telford
- Cadlan Design - Derby
- Cadogan Consultants - Dundee
- Cadscapes Ltd. - Maidstone
- Caeparius Ltd - Birmingham
- Caerketton Ltd. - Edinburgh
- Cagate Ltd - Reading
- Cahill Engineering Project Services Ltd - Cambridge
- Cairnduff M - Antrim
- Cairns Ford & Yuill - Edinburgh
- Caladonian Air Views - Kilmarnock
- Calculus (U K) Ltd. - Wilmslow
- Calder & Co - London
- Calder Design - Aberdeen
- Calder Design Associates Ltd - Clitheroe
- Calder Peel Partnership Ltd. - Altrincham
- Caldwell Consulting Engineers Ltd. - Belfast
- Caledonian Commercial Services Ltd - Shrewsbury
- Caledonian Draughting Services Ltd. - Aberdeen
- Caledonian Engineering Consultancy Ltd. - Aberdeen
- Callaway Ltd. - Newtownards
- Callis Systems & Controls Ltd. - Rayleigh
- Calstock Steam Packet & River Navigation Co. Ltd - Calstock
- Caltec Safety - Ashbourne
- Calton Engineering Co Ltd - Stoke on Trent
- Calvert Cultivation Co. - Potters Bar
- Calvert Kemp Partnership - Norwich
- Cam Architects Ltd. - Norwich
- Cam Machine Components Ltd - Clevedon
- Camal Partnership Ltd. - Cambridge
- Cambria Project Management Ltd - Kingston upon Thames
- Cambridge Geotechnics Ltd - Cambridge
- Camco Design Ltd. - Bognor Regis
- Camden Consultancy Services - London
- Camel Tableware Ltd. - Bridgnorth
- Cameron + Ross Ltd. - Aberdeen
- Cameron Darroch Associates Ltd. - Nottingham
- Cameron Engineering & Motor Sport Service - Malvern
- Cameron Ltd - Edinburgh
- Cameron Taylor One Ltd - Cambridge
- Camerons Consultants Ltd. - York
- Camken Contractors Ltd - Fort William
- Camlit Precision Engineering Ltd - Hertford
- Campbell Bloese - Guernsey
- Campbell Charles Associates - Brighton
- Campbell Gordon - Reading
- Campbell Reith Hill Llp - London
- Camplin S T Bianco - London
- Camturn Ltd. - Tewkesbury
- Can Geotechnical Ltd - Chesterfield
- Canaan Carbides Ltd - Evesham
- Canavan Associates Ltd - Londonderry
- Canbuild U K - Slough
- Canford Cliffs Architects Ltd. - Poole
- Canford Hill Engineering Ltd. - Poole
- Canmec Global Ltd. - Brierley Hill
- Canneaux M Consulting Engineers & Motor Claims Ass - Hove
- Cannon Morgan & Rheinberg Partnership - Chesham
- Cannon Surfacing - Colchester
- Canton-Thomas Architects - Brentwood
- Cantonworth Ltd. - Warrington
- Caparo Engineering Ltd. - Willenhall
- Capita Greatorex - Berkhamsted
- Capita Percy Thomas - Cardiff
- Capita Ruddle Wilkinson Ltd - London
- Capita Symonds - London
- Capita Symonds (Structures) Ltd - Watford
- Capita Symonds Ltd. - Redditch
- Capital Architecture Ltd. - London
- Capital Building Design Services Ltd - Doncaster
- Capital Heating - Watford
- Capital Surveys Ltd. - St Albans
- Capitol Engineering Services Ltd. - Surbiton
- Capree Engineering Ltd. - Maidenhead
- Capricorn 19 Construction Services Ltd - Llangadog
- Capricorn Automotive Ltd. - Basingstoke
- Capstick Ltd - Warrington
- Cara Construction Ltd. - Manchester
- Carbon Engineering Ltd. - Leigh
- Cardales - London
- Carden & Godfrey - London
- Cardiff Drain Cleaning Co. - Cardiff
- Cardiff Precision Tooling - Caerphilly
- Cardoe Martin Services Ltd. - London
- Carena Mechanical Services Ltd. - Croydon
- Carey Clark & Associates - Chippenham
- Carey Jones Architects - London
- Careyjones Chapmantolcher (Studio North) Ltd. - Leeds
- Carillion Construction Ltd - Swansea
- Carisbrooke Engineering (I W) Ltd - Newport
- Carl Dean Associates - Sutton Coldfield
- Carl Fisher Partnership - London
- Carl Fisher Partnership - London
- Carl O Connor Engineers Ltd. - Smethwick
- Carl Ozelton Associates - Wirral
- Carl Thompson Associates - Birkenhead
- Carless & Adams Partnership - Slough
- Carlsan Surveys Ltd - Cupar
- Carm Precision Engineering Ltd. - Camberley
- Carmen McGirr - Belfast
- Carmorn Engineering - Antrim
- Carnell Support Services Ltd - Stafford
- Carnoustie Engineering Ltd. - Carnoustie
- Caroline C Dickson - Londonderry
- Carolyn Jepps Ltd - Bolton
- Caronvale Ltd. - Paisley
- Carpenter Drilling - Deal
- Carpenter/Lowings Architecture & Design Ltd. - London
- Carr Associates - Liverpool
- Carr Faulkner Associates Ltd. - Chorley
- Carr Lynch Partnership - Sheffield
- Carr McLean & Watson - Glasgow
- Carrick Technical Services Ltd. - Girvan
- Carrington Design - Chorley
- Carringworth Ltd. - Henfield
- Carrock Construction Services - Penrith
- Carruth Marshall Partnership - London
- Carter Clack Partnership Ltd - London
- Carter D Associates - Dewsbury
- Carter Hughes (Consulting) Ltd. - Bath
- Carter International Ltd. - Rochdale
- Carter Jonas - Marlborough
- Carter Jonas - York
- Cartographical Surveys Ltd - Nottingham
- Cartographical Surveys Ltd. - Worcester
- Cartref Fire Consultancy - Maidstone
- Cartwright Pickard Architects Ltd. - London
- Carvell & Partners - Perth
- Carver Building Surveyors Ltd - Darlington
- Carver Knowles - Worcester
- Cas Architects Ltd - Haddington
- Casargon Ltd. - Bolton
- Cascade Systems (U K) Ltd. - Harlow
- Caselock Ltd - New Malden
- Casemacro Ltd - Darlington
- Casey Brothers Ltd - Rotherham
- Casley Rudland Ltd. - Bristol
- Cass Hayward & Partners - Chepstow
- Cass Hayward L L P - Chepstow
- Cassidy & Ashton - Preston
- Castle Architectural Designs Ltd - Newcastle Emlyn
- Castle Construction Services Ltd. - Hitchin
- Castle Cooling - Bristol
- Castle Engineering Co. (Bolsover) Ltd. - Nottingham
- Castle Fire Protection Services - Perth
- Castles Surveyors Ltd. - Enfield
- Castleton Design Services - Belfast
- Castons King - Evesham
- Castons King Ltd. - Evesham
- Catchfrench Design - Saltash
- Catherwell Engineering Co. Ltd. - Bridgnorth
- Cattanach Associates - Westhill
- Cattaneo Commercial Ltd - Kingston upon Thames
- Caulfield Contractors Ltd. - Braintree
- Caven Associates - Nottingham
- Cavendish Engineering Services Ltd. - Hope Valley
- Cavron Ltd - Reading
- Cawarden Brick & Tile Co. Ltd. - Rugeley
- Cawley Technical Services - Harrow
- Caxtons Residential Ltd. - Canterbury
- Cazenove Architects Ltd. - London
- Cb Richard Ellis Indirect Investment Services Ltd. - London
- Cbh Surveying Consultancy Ltd - Worthing
- Cbm Engineering Services Ltd. - Dungannon
- Cbs Construction Ltd. - Romsey
- Cbs Fabrication - Mexborough
- Cc Precision Engineering Ltd. - Crawley
- Ccf Well Services Ltd. - Aberdeen
- Ccfd (Hull) Ltd - Hull
- Ccr Engineering Ltd - Sevenoaks
- Cd Telecoms - Welling
- Cdk Consultancy Ltd - Sandbach
- Cdl International - Boston
- Cdp Architecture Ltd - Canterbury
- Ce Engineering Consultants - Bristol
- Ceallaigh Contracts Ltd - Stockport
- Cecil Tang Associates - Tunbridge Wells
- Ceda Chartered Engineers - Lisburn
- Cedar Brown Ltd - London
- Cedar Studio Designs Ltd - Malton
- Cedarmart Ltd - Reading
- Celsius Thermographics Ltd - Birmingham
- Celtic Assessors - Ruthin
- Cem Engineering Ltd. - Wakefield
- Cement Consultancy Associates Ltd - Exeter
- Centenary Building Services Ltd - High Peak
- Central Advisory & Training Services Ltd. - Lichfield
- Central Engineering Products Ltd. - Leek
- Central Engineers Ltd. - Nottingham
- Central Engineers Services & Supplies Ltd. - Birmingham
- Central Hydraulics (Manchester) Ltd. - Manchester
- Central Metropolitan Land Ltd. - London
- Central Precision Engineering - Stirling
- Central Soils Ltd. - Stafford
- Centre Line Solutions Ltd. - Inverkeithing
- Centurion Engineering - Lisburn
- Century Dynamics Ltd - Horsham
- Ceos Ltd - Cowdenbeath
- Ceos Ltd. - Cowdenbeath
- Cerkar Ltd - Bedford
- Cfa London Ltd - Stevenage
- CGB Electrical Design and Project Management Ltd. - Portsmouth
- Ch Architects Llp - London
- Ch Design Europe Ltd. - Romsey
- CH2M Hill Idc (Uk) Ltd. - Glasgow
- CH2M Hill United Kingdom - London
- Chaffinch Engineering - Twickenham
- Chafford Lang Utilities Ltd. - Basildon
- Chalkhill Environmental Consulatants - Devizes
- Challengers of Rochester Chartered Surveyors - Rochester
- Challice Architects Ltd. - Sidmouth
- Challinor Hall Associates - Eastbourne
- Chamberlain Consulting Llp - London
- Chambers Chartered Surveyors - Bridlington
- Chambers Engineering - Dewsbury
- Chambers Engineering - Dewsbury
- Chameleon Refurbishments - London
- Chancellors Associates - London
- Chancellors Associates Birmingham Ltd. - Halesowen
- Channel Consulting Ltd - Cardiff
- Chapel Engineering - Hayle
- Chaplin Farrant & Wiltshire - Winchester
- Chapman & Partners International Ltd - Reigate
- Chapman Bathurst - West Malling
- Chapman Taylor L L P - London
- Chapman Workhouse Ltd - London
- Chapman-Emmett - Amersham
- Chapmans Ltd. - Manchester
- Chappell Engineering Ltd. - Stroud
- Chapter House Engineering Consultants - Shipley
- Charles Andrews - Manchester
- Charles Benson Engineering Ltd. - Ripon
- Charles Birt & Co. - Tenby
- Charles Brannigan - Lisburn
- Charles D Smith & Associates Ltd. - Rochester
- Charles Doe Architects - London
- Charles L Warren Ltd. - Wirral
- Charles Pirie - Keith
- Charles Styles Ltd. - Birmingham
- Charles Whitburn - South Petherton
- Charlton Engineering Services Ltd. - Washington
- Chart Plan (2004) Ltd - Oxted
- Charter Partnership - Ipswich
- Charter Project Management - London
- Charterdale Ltd - Gillingham
- Chartered Architects - Aldershot
- Chartered Practice Architects Ltd. - London
- Chartered Quantity Surveyors - Manchester
- Chartered Quantity Surveyors - Penarth
- Chartered Surveyor - Newtownards
- Charterhouse Inventory - London
- Chartfax Ltd. - Washington
- Chartlink Services Ltd - London
- Chartmex Ltd. - Teddington
- Chase & Partners Services Ltd. - London
- Chase Engineering Services Ltd. - Cannock
- Chassay & Last - London
- Checkers Associates Ltd - Ilford
- Chedburn Dudley - Bath
- Cheema Ltd. - Rochester
- Cheetham Hill Construction Ltd. - Bury
- Cheldage Architectural Services Ltd. - Eastleigh
- Chelmer Site Investigations - Chelmsford
- Chelmvale Ltd. - Reigate
- Cheltenham Patterns (1983) Ltd. - Cheltenham
- Chemet Ltd. - Glasgow
- Chemlow Engineering Ltd - Uxbridge
- Cheney Engineering - Kettering
- Cherox Precision Engineering - Droitwich
- Cherry & White Ltd - Gloucester
- Cheshire Agricultural Engineering Services - Chester
- Cheshire Surveys - Chester
- Cheshire Wire Erosion Ltd. - Sandbach
- Chess Wing Ltd. - Watford
- Chessman Contractors Ltd. - Coalville
- Chesterfield Enterprises Ltd. - Exeter
- Chesters Commercial - Manchester
- Chesterton International - London
- Chesterton Light Engineering - Newmarket
- Chetwood Holdings Ltd - Leeds
- Chetwood Holdings Ltd. - London
- Chieftain Engineering Services Ltd. - Swansea
- Child Graddon Lewis Architects and Designers - London
- Childs & Co - Woking
- Chilltech Ltd. - Woodbridge
- Chiltern Construction Consultants - Chalfont St Giles
- Chilton Water & Stutchbury - Lewes
- Chilvers Page - Reading
- Chipchase Associates Ltd. - Gateshead
- Chiyoda-Foster Wheeler Partnership - Reading
- Chorus Rail & Constructure Services - Birmingham
- Chown Commercial Ltd. - Northampton
- Chq Partnership Ltd. - Baldock
- Chris Anderson Architects Ltd. - Tunbridge Wells
- Chris Andrews Publications Ltd. - Oxford
- Chris Baker Associates - Sheffield
- Chris Beckett - Birmingham
- Chris Bugler Architects Ltd. - Ulverston
- Chris Clarke Surveyors Ltd - Cardiff
- Chris Edmond Associates Architects - Southampton
- Chris Gothard Associates Ltd. - Sheffield
- Chris Grose Architects Ltd. - Bristol
- Chris Hardaker Architects - Oswestry
- Chris Hulme - Stoke on Trent
- Chris Peaston Architectural Services Ltd. - Corsham
- Chris Romain Architecture Ltd - Fordingbridge
- Chris Rudd Design Partnership - Hampton
- Chris Skelton Planning & Building Design - Barnstaple
- Chris Tallis Farm Machinery Ltd. - Evesham
- Chris Thorp Planning Ltd. - Belper
- Chrislind Services Ltd. - Leeds
- Christal Planning Services Ltd - Market Drayton
- Christian Topf Design Ltd - Falmouth
- Christlematic Engineering - Widnes
- Christopher Associates Uk Ltd. - Stockport
- Christopher Bates Consultancy Ltd - Abingdon
- Christopher Beckett Architectural Consultants - Great Yarmouth
- Christopher Clark - Nottingham
- Christopher Edwards & Associates - Crowthorne
- Christopher Hughes Associates Ltd. - Wolverhampton
- Christopher J Cowie - Barnet
- Christopher Millis Architects Ltd - London
- Christopher Pound - Bath
- Christopher Smallwood Architects Ltd. - London
- Christopher Smith Associates Llp - Kingston upon Thames
- Christopher Stacey Architecture - Newton Abbot
- Christopher Taylor Design Ltd. - Leek
- Christopher Wainwright & Associates - Hampton
- Christopher Witts - Kingston upon Thames
- Chromalloy UK Ltd - Alfreton
- Chromalloy United Kingdom Ltd. - Nottingham
- Chs Architects (Cambridge) Ltd. - Cambridge
- Chubb Locks Custodial Services Ltd. - Wolverhampton
- Church & Hawes Surveyors - Maldon
- Church Engineering - Birmingham
- Church Lukas Ltd. - Nottingham
- Church Projects Ltd. - Eastbourne
- Churches Ltd - Fareham
- Churchill Consultants Ltd. - Basingstoke
- Churchill Hui International Ltd - London
- Churchill Trading Ltd. - Barnet
- Churchward Design & Surveying Services - Ingatestone
- Churley & Associates - Ilford
- Churt Solutions Ltd. - Brentford
- Chygwyn Ltd. - Swansea
- Cimolai (U K) Ltd. - Cambridge
- Cinetic Service Uk Ltd. - Liverpool
- Circus Architects - London
- City & Country Heating - Solihull
- City Q S Services Ltd. - Longfield
- City Technical Services - Glasgow
- Cityown Ltd. - East Grinstead
- Cityspace Management Ltd. - Epping
- Civic Architects Ltd - London
- Civil & Structural Partnership Ltd - Bo'ness
- Civil Engineering Consultancy Ltd. - Ashford
- Civil Engineering Dynamics - Wallington
- Civil Engineering Safety Ltd. - Huntingdon
- Civil Engineering Solutions Ltd. - Dolgellau
- Civil Structure & Management Ltd. - Bristol
- Cjg Ltd - Derby
- Ckd Galbraith - Aberfeldy
- Cladding Consultancy Services Ltd. - Hove
- Clague Llp - Canterbury
- Claimstyle Ltd - Market Rasen
- Claj Consulting Engineers Ltd - Brighton
- Clancy Consulting Ltd. - Altrincham
- Claret Civil Engineering Ltd. - Eye
- Clarion Loss Prevention Ltd. - Manchester
- Clark Smith Partnership - London
- Clark Thomas Swift Ltd. - Leeds
- Clark Weightman Ltd. - Hessle
- Clarke & Whalen - Harpenden
- Clarke AB and Son - Colchester
- Clarke Bamber Associates - Sale
- Clarke Designs Ltd. - Pinner
- Clarke Engineering & Construction Co. Ltd. - Belfast
- Clarke Matthews Ltd - Cardiff
- Clarke Smith Partnership - Cambridge
- Clarke Wilson Chartered Surveyors - London
- Clarke's Surveying Services Ltd. - Bridgend
- Clarkson Dairy Services Ltd. - Leyburn
- Claro Precision Engineering Ltd - Knaresborough
- Classic Acoustics Ltd - Telford
- Classic Lifts Ltd. - Nottingham
- Classique 2000 Ltd. - Luton
- Claudio Silvestrin Architects Ltd. - London
- Claydean Ltd - Prescot
- Clayfield & Hall Ltd. - Hinckley
- Claypledge Ltd - Addlestone
- Cleanroom Consulting Ltd. - York
- Clearwater Architecture Ltd - Uckfield
- Clearway - Aberdeen
- Clee Tomkinson & Francis - Llangadog
- Clelford Essex Associates Ltd - Banbury
- Clements & Porter Ltd. - London
- Cleobury Precision Engineering (1982) Ltd. - Kidderminster
- Cleveland (U K) Ltd. - Crawley
- Cleveland Heat Treatment Centre Ltd. - Middlesbrough
- Clevestyle Ltd. - Windsor
- Cliff Walsingham & Co. - Bourne End
- Cliffe-Roberts Ltd. - Romsey
- Clifford Engineering (Hull) Ltd - Hull
- Clifford J Emery Quantity Surveyors - Hassocks
- Clifford Tee & Gale - London
- Clifftown Ltd - Runcorn
- Clift Controls Ltd. - Witham
- Clifton Design Associates - Brighton
- Climate and Parts Center - Cambridge
- Clint Jones Building Design - Cheltenham
- Clist & Chandler Chartered Architects - Pershore
- Clive Booth - Newark
- Clive Booth Riba Chartered Architect Ltd - Newark
- Clive Chapman Architects - Twickenham
- Clive Feather Building Design - Petworth
- Clive Harris (Consultants) Ltd - Okehampton
- Clive Henning Architects - Craigavon
- Clive Jones - Dudley
- Clive Jones Architect Ltd - Bideford
- Clive Moore Architectural Services - Pwllheli
- Clive Richardson & Associates - Colchester
- Clive Tatlock Associates - Leatherhead
- Clive Voller Associates - Burgess Hill
- Clive Watkin Partnership Survey & Valuation Llp - Wirral
- Clive Wicks Architects Ltd - Sleaford
- Cliviger Consulting Ltd. - Burnley
- Cloudrange Ltd - Cleckheaton
- Clougher Valley Precision Ltd - Omagh
- Clout D P - Hemel Hempstead
- Cloverfield Engineering Ltd - Chorley
- Clues Communications Ltd. - Colchester
- Cluttons - London
- Cluttons Residential Ltd - London
- Cluttons Tod Miller - Chichester
- Clwyd Precision Engineering Ltd. - Wrexham
- Clyde Boalch - Richmond
- Clynch Associates - Sheffield
- CM Engineering - Rotherham
- Cmp Ltd. - Leamington Spa
- Cmp Property Developments Ltd. - Leamington Spa
- Cms (Computer Mapping Services) Ltd. - Chichester
- Co-Ordinated Design & Construction Ltd. - Eastbourne
- Co-Ordinated Drawing Services Ltd - Newcastle upon Tyne
- Coakley & Co Architectural & Construction Consultants Ltd - Dartford
- Coastal Diesel & Transmission - Falmouth
- Coastal Engineering Uk Ltd. - Wirral
- Coates Nicholas John - Kings Lynn
- Cobco 818 Ltd - Milton Keynes
- Cober Engineering Services Ltd. - Helston
- Cobra Precision Engineering Ltd. - Portsmouth
- Codebook International Ltd - Dorking
- Codman Robert Alan - Wimborne
- Coila Consulting Ltd - Prestwick
- Coker Engineering Ltd. - Chard
- Colas (I O M) Ltd. - Douglas
- Colas Mechanical Services - Lewes
- Colclough Michael - Stoke on Trent
- Colclough Mike - Stoke on Trent
- Coldon Engineering Co. Ltd. - Brentwood
- Cole Eric and Partners - Cheltenham
- Cole Partnership - Newry
- Colebrand Contracting Ltd. - Rossendale
- Coleman Associates - Huddersfield
- Colgrave Lee & Partners - Sheffield
- Colin Hatch - Swindon
- Colin Buchanan & Partners - Bristol
- Colin Buckle Property Consultants Ltd - London
- Colin Chamberlain Ltd. - High Wycombe
- Colin Coleman & Co Chartered Engineers - Okehampton
- Colin Cotter Ltd. - Nottingham
- Colin Dawson & Associates (Project Management) Ltd. - Reading
- Colin Deane Partners - Craigavon
- Colin Ely - Glasgow
- Colin J Scott Chartered Surveyor & Estate Agent - Newcastle upon Tyne
- Colin J White - Woking
- Colin Jenkins Partnership - Bristol
- Colin King Associates - Portsmouth
- Colin Mackenzie Engineering Ltd. - Paisley
- Colin Oldham & Co - Hyde
- Colin Ritchie Architects Ltd. - Torquay
- Colin St. John Wilson & Associates - London
- Colin Styles Consultants Ltd - Orpington
- Colin Toms & Partners - Sevenoaks
- Colin W Parker Charted Building Surveyors - Newark
- Collective Architecture Ltd. - Glasgow
- Collett Zarzycki Ltd. - London
- Collie & Duthie - Inverurie
- Collier & Madge Plc - London
- Colliers Erdman Lewis Ltd - Windsor
- Collins Design - Omagh
- Collins Planning Services Ltd - Lewes
- Collinshallgreen Llp - Nottingham
- Collinson Systems Ltd. - Pickering
- Colman R J - Scunthorpe
- Colne Valley Engineering - Watford
- Colorado Corrosion Engineering - Rhyl
- Coltech Engineering Design Ltd - Cambridge
- Colts Engineering - Wellingborough
- Comar Engineering Services Ltd. - Willenhall
- Combined Soil Stabilisation Ltd - Bolton
- Combitec Ltd. - Worcester
- Combustion & Environmental Solutions Ltd. - Stourbridge
- Combustion Consultancy Services - High Wycombe
- Comenco Design Engineering Co. Ltd. - Richmond
- Comet Technical Support Ltd. - Greenock
- Cometrule Ltd. - Rotherham
- Comfort Controls - Hemel Hempstead
- Commercial & Surveying Solutions Ltd - Bourne
- Commercial Consulting Services Ltd - Aberdeen
- Communications Engineering Ltd - Cambridge
- Community Designs Consultants Ltd. - London
- Community Regeneration Ltd. - Stockport
- Community Technical Services Agency (Comtechsa) Ltd. - Liverpool
- Compact Plant Services Ltd. - York
- Compact Precision Engineering - Yeovil
- Compass Construction Services - Mold
- Compass Consulting Ltd. - Burnley
- Compass Land Surveys Ltd. - Shrewsbury
- Complete Design & Planning Ltd - Wokingham
- Complete Engineering Systems Ltd. - Godstone
- Completech Ltd. - Crewe
- Component Erectors Ltd. - Kirkcaldy
- Compound Feed Engineering Ltd. - St Helens
- Compubid Ltd. - Hull
- Computational Systems Ltd (CSI) - Birkenhead
- Computech Turning Ltd. - Oldham
- Computer Economics Ltd - Kingston upon Thames
- Computer Visual Design Ltd - Nottingham
- Compuvale Ltd. - Bexley
- Comstor Group Ltd - Cirencester
- Con-Mar International Ltd. - Romsey
- Concept 66 Ltd - Rugby
- Concept Models Ltd. - Epsom
- Concept Project Services Ltd. - Swansea
- Concept to Completion - Sutton Coldfield
- Concrete Ideas - Salisbury
- Concrete Velvet - Londonderry
- Congress Engineering - Woking
- Congress Services Ltd. - Woking
- Congrieve Horner - London
- Conlon Construction Ltd - Preston
- Connect Engineering Ltd. - Manchester
- Conneely Tribe - London
- Connell Consulting Engineers - Stockport
- Connell Ray Associates - Bacup
- Connell Surveyors & Valuers - Plymouth
- Connex Engineering Ltd - Barnsley
- Consarc Consulting Architects Ltd. - London
- Consarc Design Group Ltd. - Belfast
- Consensus Guillotine Engineering Ltd. - Ipswich
- Conservation & Development Appraisal Ltd. - Leeds
- Consider - Sutton
- Considerate Constructors Scheme Ltd. - Ware
- Considere & Partners - Slough
- Consolidated Industrial Supplies Ltd - Bridgend
- Consolidated Project Development Co. Ltd. - London
- Consolux M&E Consulting Ltd - Liverpool
- Constradis Ltd - Bideford
- Constradis Ltd. - Bideford
- Construction Consulting Ltd - Hemel Hempstead
- Construction Contract Solutions - Sheffield
- Construction Design Associates - Coatbridge
- Construction Management and Design - Mold
- Construction Supervisory Services Ltd - Newtownabbey
- Construction Team Services - Edenbridge
- Consultancy Management Facilities Ltd. - Amersham
- Consultant Property Services Ltd. - Nottingham
- Consultants & Specialist Surveyors Ltd. - Derby
- Consulting Engineers Co-Partnership (London) Ltd. - London
- Consulting Engineers Uk Ltd - Hounslow
- Containment Quality Associates Ltd. - Cheltenham
- Contec Systems Ltd - Uttoxeter
- Continental Alloys & Services Ltd. - Peterhead
- Contract Surveys Ltd. - North Shields
- Contract Turning Ltd. - Poole
- Contracting Made Easy Ltd - Edgware
- Contractor Design Ltd. - Lichfield
- Control & Information Services Ltd. - Newmarket
- Control Concepts Ltd. - Bristol
- Controlled Applications Ltd. - Broadway
- Controlled Energy Techniques - Normanton
- Converging Solutions - Alcester
- Conway Fraser Ltd - London
- Conway Morris - London
- Coogan & Co Architects Ltd - Belfast
- Cook Associates Planning Supervisors Ltd - Faversham
- Cook Steed Associates - London
- Cook Townsend - London
- Cooke Rudling & Co. - Birmingham
- Cooking on Gas - Abingdon
- Cooltec Airconditioning & Refrigeration - Northampton
- Coombs & Co - Wellingborough
- Coombs & Whiting Fabrication - Cheltenham
- Coomsco - London
- Cooper Cromar - Edinburgh
- Cooper Cromar Ltd. - Glasgow
- Cooper Engineering - Derby
- Copeland T - Stoke on Trent
- Copeman & Hill - Norwich
- Cora Design Ltd - Kidderminster
- Corban Consultancy Ltd - Guildford
- Corcoran Gibbons Design & Site Services Ltd - Ilkley
- Cord Andrew & Co. Ltd. - Pulborough
- Cordelle - Birmingham
- Corderoy Contract Services Ltd. - London
- Corderoy International Ltd. - London
- Core Design ( U K ) Ltd - Stockport
- Corfix Ltd. - Kidderminster
- Corgi Ltd - Newcastle
- Cork Insulation Co. (72) Ltd. - London
- Corn Tarrant Partnership - Leighton Buzzard
- Corner Cottage Design Ltd. - Banbury
- Corners Chartered Surveyors - Chepstow
- Cornerstone Architects Ltd - Douglas
- Cornett Design Associates - Armagh
- Corntown Ltd - Carshalton
- Coronation Ltd. - London
- Corporate Architecture Ltd. - Leicester
- Correia Phillips Concepts Ltd. - Brighton
- Corscadden Associates - Cardiff
- Coslin Construction Ltd. - Gloucester
- Costain Construction Ltd. - Cardiff
- Costain Geotechnical Services (Bourne End) - Bourne End
- Cosy Design - St Helens
- Cotech Technology Ltd. - Tadley
- Cotswold Agritech - Cirencester
- Cotterall Thomas & Thomas - Pinner
- Cotton Consultancy Ltd. - Clevedon
- Cotton Surveys - Stafford
- Cottrill Civil Engineering Contractors Ltd - Worcester
- Couch Perry & Wilkes (Consulting) Ltd. - Birmingham
- Coulson Property Services Ltd. - Stockport
- Counter & King - Watford
- Country Surveys (South West) Ltd. - Ottery St Mary
- Countryside Consultants (Architects and Planners) Ltd. - Alston
- Countrywide Commercial - Sutton Coldfield
- Countrywide Fire Services - Altrincham
- Countrywide Surveyors - Warrington
- County Surveying Services Ltd. - Sittingbourne
- Court & Bold Partnership - Wigan
- Covalfence Ltd. - Smethwick
- Covell Matthews Architects Ltd - Edinburgh
- Coverlodge Ltd. - Bristol
- Coverway Ltd. - Caterham
- Covington Developments Ltd. - Coventry
- Cowan Architects Ltd. - East Grinstead
- Cowan Building Consultancy Ltd. - Chorley
- Cowan Consultancy Ltd - Fareham
- Cowan Engineering Ltd - Newcastle
- Cowap William - Walton on Thames
- Cowards Lake Consultancy Ltd. - Weymouth
- Cowfold Precision Engineering - Horsham
- Cowie Engineering Ltd. - Glasgow
- Cowper Griffiths Associates - Cambridge
- Cox & Haswell Ltd. - Wimborne
- Cox Freeman Ltd. - Nottingham
- Cox Freeman Partnership - Nottingham
- Cracknell Ltd. - London
- Craddock Engineering Ltd. - Walsall
- Craddy Pitchers - Bristol
- Cradle Access Services Ltd. - Erith
- Craig & Green - Barrow in Furness
- Craig & Sons Ltd - Douglas
- Craigdam Services Ltd. - Coleford
- Crammond Browne Architects Ltd. - London
- Cranagh Associates - Troon
- Crane & Associates Ltd. - Esher
- Crane & Plant Engineering - Rochester
- Crane Brain Ltd. - Scunthorpe
- Crane Hill Engineering - Northampton
- Cranham Consulting Ltd. - Farnham
- Cranleigh Forge - Bristol
- Cranmer Air Services Ltd. - Dereham
- Craven Design Partnership Ltd. - Burnley
- Crawford & Gray Architects - London
- Crawford Architects - London
- Crawford Dugan Partnership - Belfast
- Crawford Engineering Ltd. - Wigan
- Cre Active Design - Cambridge
- Crea Consultants Ltd - Buxton
- Crease Strickland Parkins - York
- Creating Place Ltd. - Winchester
- Creative Design Surveying Services - High Wycombe
- Creative Furniture Designs Ltd - Hayling Island
- Credofinch Ltd. - Scunthorpe
- Creed Design Associates Ltd. - Leicester
- Creigau Castings Ltd. - Aberdare
- Crescent Metal Spinning Co Ltd - Stockport
- Cresland Engineering Ltd. - Bridgwater
- Crest Software Ltd. - Christchurch
- Crew & Saunders Engineering Ltd. - St Albans
- Crewstone Ltd - Bournemouth
- Crewsygma Ltd. - Bolton
- Crichton Greenwood Parnership - Cockermouth
- Crichton Lang Willis & Galloway - Edinburgh
- Cridon Precision Engineering - Buckingham
- Crispin Lambert Architecture - Norwich
- Crockard Building Design - Downpatrick
- Croft Goode Partnership - Preston
- Croft Motors Ltd - Derby
- Croft Preservation - Poole
- Crofton Design Services Ltd - Orpington
- Crompton Fear Partnership Ltd. - Bristol
- Cromwell Consulting - Kettering
- Cronin & Co - London
- Crookes & Spackman - Tavistock
- Croot & Partners - Dorchester
- Crosby Engineering & Fabrication Ltd. - Liverpool
- Cross & Craig Associates Ltd. - Solihull
- Cross and Morse - Birmingham
- Cross Cliffe Engineering Services Ltd - Glossop
- Cross Engineering (Swansea) Ltd. - Swansea
- Cross-Pak Ltd. - Chesterfield
- Crosskill Ventilation Ltd - Norwich
- Croston Engineering Ltd - Chester
- Crothers - Belfast
- Crouch Hogg Waterman Ltd. - Glasgow
- Crouch Waterfall and Partners - Godalming
- Crowdell Associates - Braintree
- Crown B M S Ltd. - Norwich
- Crown Cutter & Roller Co - Dukinfield
- Crown Precision Engineering Ltd. - Milton Keynes
- Crowther & Co - Carrickfergus
- Crowther Engineering Ltd. - Washington
- Crowthorne Hi-Tec Services Ltd. - Farnborough
- Crs - Leeds
- Crucial Surveys Ltd - Southampton
- Cruz Engineering Tredegar Ltd. - Tredegar
- CS Broaching Services - Bury
- Cse International Ltd. - Scunthorpe
- Csj Steel Fabrication - Feltham
- Csl Realisations Ltd - Wetherby
- Ct Linsay Chartered Architects Ltd. - Armagh
- Ct Surveys Ltd. - Wakefield
- Cts Computing - Jersey
- Cube Architecture Ltd. - Linlithgow
- Cube Design Ltd - Ringwood
- Cube Environmental Ltd - Basildon
- Cubit Consulting Ltd. - London
- Cudd Bentley Consulting Ltd. - Ascot
- Cuefx - Rhyl
- Cullen Grummitt & Roe (Uk) Ltd - Kingston upon Thames
- Cullum & Nightingale Architects Ltd - London
- Cullum Morris Powles Ltd. - Leamington Spa
- Cumming & Co. (Aberdeen) Ltd. - Aberdeen
- Cumming & Co. Ltd. - Aberdeen
- Cumming Anderton Architects - Banbury
- Cundall Johnston and Partners LLP - Newcastle upon Tyne
- Cunliffes Ltd. - Bootle
- Cunningham Leigh Design - Harrow
- Cunnington Clark Ltd. - Peterborough
- Curl La Tourelle Architects - London
- Curran Coleman - Buntingford
- Currell & Co - London
- Currie & Brown Uk Ltd - Glasgow
- Currie of Airdrie Ltd. - Airdrie
- Curtains Consulting Engineers - Birmingham
- Curtains Consulting Engineers - Birmingham
- Curtins Consulting Engineers - Birmingham
- Curtis Cryer Ltd. - Bristol
- Curtis Starr Ltd. - Cambridge
- Curzon Designs Ltd - Camberley
- Custom Enclosures Ltd. - Luton
- Custom Glade Ltd. - Hull
- Custom Machined Components - Mitcham
- Cuthbert Axten D'Cruze Llp - Cranleigh
- Cuthbert Lake - London
- Cutler Architects - Wallingford
- Cutsafe Ltd. - Runcorn
- Cutter Services Precision Engineers Ltd. - Letchworth
- Cutting & Wear Ltd - Rotherham
- Cutting Edge Engineering (Scotland) Ltd. - Bathgate
- Cutting Edge Technical Services - Inverurie
- Cw Surveyors Ltd - London
- CWA Design - Billingham
- Cwb Controls Ltd - Crowborough
- Cwt Ltd. - Newcastle
- Cylinder Resurfacing Co (UK) Ltd - Blackburn
- Cyma Architects Ltd - Ashford
- Cyril Leonard & Co. - London
- Cyril Minns Engineering Ltd. - Bristol
- D Fox (Plumbing & Heating Engineers) Ltd. - Swansea
- D P Diamond Drilling & Sawing Ltd - Warrington
- D Perkins & Associates Ltd. - Lincoln
- D Stainer-Hutchins Architects Ltd. - Stroud
- D Whewell Ltd. - Bolton
- D & C Engineering Ltd - Newton Aycliffe
- D & D Maintenance Ltd. - Dudley
- D & D Miller - Alton
- D & H Engineering Ltd - Leicester
- D & L Tait - Strathaven
- D & M Engineering Ltd. - Farnham
- D & M Structural Services Ltd - Scarborough
- D & S Agricultural - Reading
- D A Seed & Co. Ltd. - Duns
- D A Electronics - Nottingham
- D A French Precision Engineering - Bath
- D A Thompson Engineering - Driffield
- D and A Hydraulics - Hull
- D and T Precision Engineering Ltd - Southampton
- D B Surveys Ltd. - Milton Keynes
- D B A Ltd - London
- D B Fabrications - Cleckheaton
- D B Fire Consultants - Hastings
- D B K Ltd. - Thatcham
- D B Marine - Colchester
- D B Roberts & Partners - Telford
- D Barton Associates - Colchester
- D Blagbrough Engineering - Telford
- D C Merrett & Co. Ltd. - Gloucester
- D C Associates - Manchester
- D C B Partnership Ltd. - Northampton
- D C Hall Architect - Worcester
- D C Holmes Ltd. - Littlehampton
- D C J Design Services Ltd - Cromer
- D C N Bearings & Engineering Ltd. - Dudley
- D C P Surveying Services Ltd - Hinckley
- D Clive Brannigan - Swansea
- D D Engineering Ltd. - Dewsbury
- D D Design - Deal
- D D K Consultancy Ltd. - Oldham
- D D M Enterprises - Poole
- D D S Polishing - Willenhall
- D E Resources Ltd - Aberdeen
- D E S Instrument Engineer Ltd. - Sandhurst
- D Eaton & Partners - Wirral
- D F X Ltd. - Huddersfield
- D Flanagan & Co - Belfast
- D G F Drilling Services Ltd. - Aberdeen
- D G Jones International Uk Ltd - Twickenham
- D H Simpson Engineering Ltd. - Northallerton
- D H L Designs Ltd. - Cramlington
- D H Roulston Ltd - Glasgow
- D I Burchell & Partners - Dundee
- D Ireland Associates - Dundee
- D J Goodland & Co. Ltd. - Tonbridge
- D J Curtis & Associates Ltd - Leeds
- D J Cutler Building Surveyor - Fordingbridge
- D J Goode & Associates - Sudbury
- D J Hartigan & Associates Ltd. - Jersey
- D J M Developments Ltd. - Bacup
- D J M Engineering Ltd. - Preston
- D J N Locksmiths - Chesterfield
- D J Owen Engineering - Brighton
- D J Porter - Windsor
- D J S Architectural Services Ltd. - Nottingham
- D J Savin Associates Ltd. - Sidcup
- D J W Jones - Llangadog
- D K S Architects - Middlesbrough
- D Kirk Agricultural Contracting & Repair - Congleton
- D L B Cordier Architect Ltd - Tonbridge
- D L Bessant & Pattern Co. - Birmingham
- D L P Surveyors Ltd. - Bridgend
- D L S J - Bradford
- D L Westwood - Kidderminster
- D Lad & Associates Consulting Civil & Structural Engineers Ltd. - Leicester
- D Livingston - Ballyclare
- D Lycett & Sons Ltd. - Walsall
- D M Associates (Scotland) Ltd - Dunblane
- D M Bulloch Associates Ltd. - Whitley Bay
- D M C Consulting Engineers - London
- D M Hall - Galashiels
- D M Hall - Livingston
- D M Hall - Dunfermline
- D M Hall & Son - Paisley
- D M Hall & Son - Aberdeen
- D M Hall & Son - Stranraer
- D M Hall & Son - Ayr
- D M Hall & Son F R I C S - Glasgow
- D M Haynes - Leicester
- D M Kearney Design - Maghera
- D M S Commercial Services Ltd. - Skelmersdale
- D M W R Partnership - Bury
- D Millard - Brighton
- D N E Engineering Ltd. - Southampton
- D Owen T Associates - Llangadog
- D P Consulting Ltd - Lutterworth
- D P Design (Uk) Ltd. - West Bromwich
- D P A - Ware
- D P Engineering Services Ltd. - Rotherham
- D P Heating - Shepton Mallet
- D P Manufacturing - Diss
- D P Squared Ltd. - Hebden Bridge
- D P W Design - Stockport
- D Pritchard - Llansantffraid
- D R Diesel - Fraserburgh
- D R H Architectural Design Consultants - Northampton
- D R J Engineering Co. Ltd. - High Wycombe
- D R M Consultants Ltd - London
- D R M M Ltd - London
- D Rogerson Quantity Surveying Ltd - Winsford
- D S Beckett Ltd - Perth
- D S C Foundations Southern - Bracknell
- D S Fforde - Stroud
- D S Ironwork & Repairs - Leeds
- D S Johnson & Co. - Buckingham
- D S P Architects Llp - York
- D S Partnership - London
- D S S R - Manchester
- D S S R - Harrogate
- D Suttle & Associates - Godstone
- D T A Chartered Architects Ltd - Glasgow
- D T B Design - Cardiff
- D T C Engineering - Basingstoke
- D T Lawson - Uxbridge
- D T Stone Engineering - Nottingham
- D W Palfrey - Rochdale
- D W A - London
- D W Engineering Solutions Ltd. - Bristol
- D W Enterprises - Cardiff
- D W Hughes (Barnsley) Ltd. - Barnsley
- D W L Engineering Services Ltd - Worksop
- D W Lott Architectural Consultant - Bideford
- D Wildy & Sons - London
- D'Soto - London
- D-Tech Design Ltd. - Armagh
- D. B. Lawrence & Associates Ltd - Sleaford
- D.A Joce Engineering - Crowthorne
- D.A. Renwick Ltd - Wick
- D.D.Design Ltd - Redcar
- D.G Lofts - Ibstock
- D.I.P.T. Holdings Ltd - Derby
- D.J Ratford - Ringwood
- D.M. Surveys Ltd - Bath
- D.M.S Buildings - London
- D.S.M. Automation Ltd - Oldbury
- D.W. Design Ltd - Scarborough
- D2 Bearings and Engineering Services Ltd - Bradford
- D3-Uk Ltd - Hebburn
- Da Architects Ltd - Armagh
- Da-Mar Engineering (Leicester) Ltd. - Leicester
- Dab Civil Engineering Contractors Ltd. - Leicester
- Daco Engineering - Totnes
- Daintyvale Ltd. - Cannock
- Dakin-Flathers Ltd - Pontefract
- Dale & Duncan - Margate
- Dale Engineering - Warrington
- Dale Loth Architects Ltd. - London
- Dalebrook Engineered Turned Parts - Stourbridge
- Dallem Engineering Ltd - Bromsgrove
- Dalley-Smith Architecture - Bath
- Damen Associates Ltd - Salisbury
- Damond Lock Grabowski Partners - London
- Danderfine Ltd - Hyde
- Dando Surveying Ltd - Bristol
- Dando William Leonard - Abergavenny
- Dane Ashworth Cottam - Manchester
- Danial Pershard - Cirencester
- Daniel Connal & Partners - London
- Daniel Forshaw Design & Conservation Architects Ltd. - Alresford
- Daniel Lawrence Building & Design - Croydon
- Daniel Lelliott Krauze Ltd - Maidenhead
- Daniells Harrison Chartered Surveyors - Fareham
- Daniels & Associates - Wokingham
- Daniels Harrison Chartered Surveyors - Fareham
- Danton Project Services Ltd. - West Byfleet
- Darby Miller & Bown - Harrogate
- Darbyshire Architects - Newcastle upon Tyne
- Darkfall Ltd - Stonehaven
- Darleys Chartered Surveyors - Chatham
- Darren Btyant - Uckfield
- Darren Martin & Ian Rae - Ballynahinch
- Darren Ray Ltd. - Hereford
- Dart Build Management Services Ltd - Totnes
- Data 2 Patterns & Moulds Ltd. - Littlehampton
- Data Design & Administration Ltd. - Clevedon
- Data Developments Ltd. - Billericay
- Datafact Ltd. - Cranleigh
- Datel Electronics Ltd. - Stone
- Datel Products - Stourbridge
- Datoc Engineering Ltd. - Crawley
- Davart Fasteners - Evesham
- Dave Clark Ltd - Cleator
- Dave Crawford Marine - Lymington
- Dave Cummings Designs Ltd - Wolverhampton
- Dave Dickinson & Associates Ltd. - Ossett
- Dave Luton Design Ltd - Douglas
- Dave Southam Engineering Ltd - Winsford
- Davenport Burgess Ltd. - Willenhall
- Davenport Grant - Welwyn Garden City
- Davenreed Ltd - Kidderminster
- Davenway Ltd. - Hornchurch
- David Howden - Lymington
- David A Cutting Building Surveyors Ltd. - Thetford
- David A Courtney - Penarth
- David Allberry & Co - Cirencester
- David Alton Design Associates Ltd - Witham
- David Austin & Associates Ltd. - Stroud
- David Balshaw Ltd - Windermere
- David Barnes Chartered Architects - Dursley
- David Barrett Ltd - Ulverston
- David Beattie Associates Ltd - Haywards Heath
- David Bedwell & Partners - Royston
- David Beecroft Ltd. - Bicester
- David Bellis Consulting Surveyor - Knaresborough
- David Birch Associates - Ilfracombe
- David Brain Partnership - Bath
- David Buller Associates Ltd - Bristol
- David Burley Architects - Exeter
- David C Muir - Waltham Cross
- David Carvey Consultancy - Marlow
- David Cauldwell Architects - Birmingham
- David Charles Scarsbrook - Cheltenham
- David Clarke & Associates Building Design Consultants Ltd. - Ipswich
- David Clarke Associates - Richmond
- David Coles Architects Ltd - Olney
- David Connoly & Co - Birmingham
- David Connor International - London
- David Cook Architects - London
- David Corcoran Associates Ltd. - Leeds
- David Corrin Ltd. - Cockermouth
- David Curtis Consulting Structural Engineer Ltd - Bedford
- David Daccus & Associates - Leeds
- David Denham - Henley on Thames
- David Derby - Walsall
- David Dexter Associates Ltd. - London
- David E Laing Design & Co. - Kettering
- David Elliott Ltd - Bishop Auckland
- David Evans Associates - Stamford
- David Finbow - Romford
- David Foulkes Associates Ltd. - Dursley
- David French Partnership - Luton
- David G Williamson - Lisburn
- David G Williamson & Co - Ware
- David George Engineering - Newtownards
- David Goodridge & Associates - London
- David Gould Partnership Ltd. - Birmingham
- David Hammond (Property Consultant) Ltd. - Dronfield
- David Hammond Architects - Oxford
- David Hammond Chartered Surveyors - Nottingham
- David Hayes Architect Ltd - Newton Abbot
- David Hobbs Architect - Milton Keynes
- David Hobbs Chartered Architect Ltd. - Milton Keynes
- David Honey & Associates - Cambridge
- David Houchell Ltd. - Woodbridge
- David Howard Property Services Ltd. - Barnet
- David Humphries & Associates Ltd. - Preston
- David Ingles Associates - London
- David J Holbrook & Associates - Newport
- David J Payne - Northampton
- David Jackson Site Services Ltd - Ossett
- David Jenkins Design - Haywards Heath
- David Jowett - Newcastle upon Tyne
- David K Bennett - Bognor Regis
- David Kent - Bath
- David King Associates - Brixham
- David Kirk & Associates Ltd - Derby
- David Kirkby Associates - Godalming
- David Kitchen Associates Ltd - Stockton on Tees
- David Kut & Partners - London
- David Le Lay Architects - London
- David Lewington Partnership - Thirsk
- David Lewis & Partners Ltd. - London
- David Lewis Associates Ltd - Hope Valley
- David M. Wright Architects - Scunthorpe
- David Marshall Associates - Brighton
- David McMaster Architect - Craigavon
- David Miles & Partners Ltd - Romford
- David Morley Architects Llp - London
- David Murray Associates Ltd. - Aberdeen
- David Myers Chartered Surveyors - Chichester
- David Narro Associates Ltd. - Edinburgh
- David Newell Consultancy Ltd - Southampton
- David Newman & Co - London
- David Nossiter Architects Ltd - London
- David Osborne Associates - Farnham
- David Owen - Colchester
- David Owers Associates - Cambridge
- David P Connolly - West Wickham
- David Paterson General Engineers Ltd. - Elgin
- David Pook Associates - Saltash
- David Price Associates - Stafford
- David R Davies (Consulting & Architectural Engineers) Ltd - Ludlow
- David R Murray & Associates - Dunfermline
- David Rae Consultancy Ltd. - Warrington
- David Randell Architects - Tiverton
- David Raven Associates Ltd - Cambridge
- David Redpath - Swadlincote
- David Richards Practice - Bournemouth
- David Richmond & Partners Ltd. - London
- David Rose Associates - London
- David Rose Associates Ltd. - London
- David S Purkiss - Fareham
- David Sayer & Associates - Thames Ditton
- David Scanlan - Melksham
- David Shaw Partnership - Dorchester
- David Shaw Town Planning Consultant - Peterborough
- David Sim Architects - Milton Keynes
- David Sinclair Associates - Ashford
- David Smith & Co - Gloucester
- David Snaith Associates Ltd - Bures
- David Speight Associates - Beverley
- David Stewart & Co. - Belfast
- David Stewart Toy - Lanark
- David Sugden Associates - Shepperton
- David Symonds Associates - Birmingham
- David Taylor Consultants Ltd. - Leominster
- David Thompson Associates - Carlisle
- David Thorp Architect - Birmingham
- David Till Associates Ltd. - Chesterfield
- David W Nicholson - Egremont
- David Walker Architects Ltd. - London
- David Westlake - Birkenhead
- David White Associates Ltd. - Wetherby
- David Will & Co. - Norwich
- David William Bevan - Abergavenny
- David Witt Associates Ltd - Attleborough
- David Wregg - Nottingham
- David Young Associates Ltd. - Wakefield
- Davidson & Co. - Billingham
- Davidson Design Partnership Ltd - Kirkcaldy
- Davidson Smith Partnership - Aberdeen
- Davidson Technical Services Ltd - Falkirk
- Davidson Walsh - Cheltenham
- Davies & Co - Kettering
- Davies & Davies (Group) Ltd. - Woodford Green
- Davies Aspin Partnership - Bristol
- Davies Chartered Surveyors Ltd - Castle Cary
- Davies Evans Partnership - Bridgend
- Davies Langden & Everest - Cardiff
- Davies Llewellyn & Jones - Cardiff
- Davies Llewelyn & Jones Llp - Cardiff
- Davies Peter - East Grinstead
- Davies Richards Design Ltd. - Llandeilo
- Davies's Chartered Land Surveyors - Cardiff
- Davies-Wise Design Co - Stroud
- Davis & Sons Professional Services Ltd - Usk
- Davis Blackburn Ltd. - Highbridge
- Davis Duncan Ltd. - Glasgow
- Davis Leroy & Partners - Harrow
- Davis Planning - Wokingham
- Davis Victor M - Peterborough
- Davitchoice Ltd. - Beckenham
- Davy (Civils) Ltd - Sheffield
- Davy Associates - Hemel Hempstead
- Dawe & Partners Ltd. - London
- Dawn Fire Ltd. - High Wycombe
- Dawson & Associates - London
- Dawson Design Services Ltd. - Rossendale
- Dawson Precision Components Ltd - Oldham
- Dawson Structural Engineering Co. Ltd. - Llanymynech
- Dawson-Wam Ltd. - Ballynahinch
- Dawsons Energy Conservation & Technical Services - Liversedge
- Day & Johnson Ltd. - Wokingham
- Day Cummins Ltd. - Cockermouth
- Day Stephen Partnership Surveyors & Valuers - Fareham
- Daymist Engineering Ltd - Altrincham
- Daystart Services Ltd. - Banchory
- Daytronics Systems (Yorkshire) Ltd. - Driffield
- Db Architects Ltd - West Malling
- Dcl Engineering Ltd - Manchester
- Dcp - Consulting Engineer Ltd. - Altrincham
- Dcv Precision Ltd - Farnham
- De Metz Forbes Knight Architects Ltd - London
- De Santis Philipson - Wilmslow
- De Silva Structures - Brighton
- Deadheat Ltd - Wigan
- Deadline Design Ltd. - Aberdeen
- Deakin Walton Ltd - Harrogate
- Dean Choice Ltd - Stockport
- Dean Henrys & Associates Ltd - Bolton
- Dean Walker Bateman - Kidderminster
- Dean-Walker Bateman Associates Ltd. - Kidderminster
- Deane Public Works Ltd. - Enniskillen
- Dears Brack Associates - Liverpool
- Declan P Cosgrove - Cookstown
- Decorative Wrought Iron - Rochdale
- Dedicated Pressure Systems - Epsom
- Deejays Engineering Services Ltd. - Bath
- Deelee Engineering Services Ltd. - Swadlincote
- Deep Blue Engineering Solutions Ltd. - Aberdeen
- Deeptrack Ltd - Bexleyheath
- Deepwater Management Contractor Ltd. - Esher
- Defries & Associates - London
- Degreefine Ltd - Stockport
- DEGW Ltd - London
- Degwel Designs Ltd. - Cardigan
- Del Cornock Engineering - Coalville
- Delahunt & Laverty - Newry
- Delap & Waller Mechanical & Electrical Consulting Engineers Ltd. - London
- Delfield Precision Engineering Co. Ltd. - Watford
- Delfield Precision Engineering Co. Ltd. - Ruislip
- Delka Consultants Ltd. - Sheffield
- Delta Engineering - Knottingley
- Delta Precision Engineering Ltd. - Poole
- Delta Project Services - London
- Delta Rac Design Ltd. - Carrickfergus
- Delta Steeplejacks Ltd. - Oldham
- Deltabase Consultants Ltd. - Weybridge
- Deltadale Ltd. - Altrincham
- Deltafast Ltd. - Sheffield
- Deltarail Notified Body Ltd - Derby
- Demask Ltd. - Gosport
- Demitri Porphyrios - London
- Demkel Ltd. - Rotherham
- Denko Engineering Service - Stockport
- Denne Holdings Ltd - Canterbury
- Dennis L Rayton - Tewkesbury
- Dennis Priestley - Southampton
- Dennis Sharp Architects - Hertford
- Denny Engineering Ltd - Norwich
- Denovo Design Ltd. - Liverpool
- Dent & Howland - Cranleigh
- Denton Clark & Co. - Chester
- Denton Corker Marshall Europe Ltd. - London
- Denton Fabrication Services - Sheffield
- Denys Halsall Associates Ltd - Sidmouth
- Derby Fire Protection - Derby
- Derbyshire Dales Engineering Ltd. - Hope Valley
- Derek Kitson - Retford
- Derek Morris - Lincoln
- Derek & Alan Nash - Bedford
- Derek Ash & Co. Ltd. - Bromley
- Derek B Martin - Gloucester
- Derek Beauchamp Associates - Dorchester
- Derek E Giddings - Eastleigh
- Derek Hicks & Thew Partnership - Liverpool
- Derek Kitson - Retford
- Derek Phillips - Southampton
- Derek Rogers Associates - Aylesbury
- Derek Stephens Associates - Hartlepool
- Derek W Blair - Bathgate
- Dereuck Ltd. - Hassocks
- Derham Knight Ltd. - Chichester
- Deri Jones & Associates Ltd - Machynlleth
- Dernaseer Engineering Ltd. - Dungannon
- Derrick Kershaw Partnership - Harrogate
- Derwent Engineering - Sheffield
- Derwentside Precision Gears Ltd - Stanley
- Des-Cad Ltd. - Carlisle
- Desertpool Ltd. - Bognor Regis
- Desicon Ltd - Stoke on Trent
- Design & Draughting Solutions Ltd. - Bedford
- Design & Plan - Billericay
- Design & Survey Services - Haverhill
- Design 3 Ltd. - Belfast
- Design Anglia (Lowestoft) Ltd. - Lowestoft
- Design Associates - Southend on Sea
- Design At Work Ltd. - Bristol
- Design Buro (Coventry) Ltd. - Rugby
- Design Co. Group - Purley
- Design Consult Ltd - London
- Design Development Construction Ltd. - Stafford
- Design Development Ltd. - Plymouth
- Design Inspirations Ltd. - Huntingdon
- Design Lines (S.E.) Ltd - Hastings
- Design Management Architects - Glasgow
- Design Management Partnership - Cardiff
- Design Office Architectural Ltd. - Leeds
- Design Partnership Wales - Swansea
- Design Plus (Kent) Ltd. - Broadstairs
- Design Quarter (Uk) Ltd. - Chatham
- Design Team Solutions Ltd - Lechlade
- Design to Build - Bilston
- Design U N Ltd. - London
- Design Workshop Ltd. - Belford
- Design Workshop Preston Ltd. - Preston
- Design Zone U K Ltd. - Brighton
- Designbrook Ltd. - Wokingham
- Designed Developments - Leicester
- Designmix - Chester
- Designplan Ltd. - Caterham
- Designrite Shopfitters Ltd. - Deal
- Dessin Par Joseph Ltd. - London
- Destroyed Shrubs Ltd - Paisley
- Det Norske Veritas Classification - Sheffield
- Deva Manufacturing Services Ltd. - Chester
- Devaero Design Ltd. - St Albans
- Devar Engineering Ltd - Clacton on Sea
- Development Engineering Services - Otley
- Development Planning & Design Services Group Ltd. - Swindon
- Devereux Architects Ltd. - London
- Devlin Instrumentations (Scotland) Ltd. - Kilmarnock
- Dew Construction (Oldham) Ltd. - Oldham
- Dewar Associates Ltd. - Glasgow
- Dewi Evans Architects Ltd - Swansea
- Dexter Brown Ltd. - London
- Dexter Moren Associates - London
- Dg Architects Ltd. - Guildford
- Dga (Architects) Ltd. - Shrewsbury
- Dga Consulting Engineers - Coalville
- Dgp International Ltd. - Manchester
- Dha Management Ltd. - Birmingham
- Dhaliwal Construction Ltd - Oldbury
- Diagnostic Solutions Ltd. - Wrexham
- Diak Technical Export Ltd. - Romsey
- Dial A Die Ltd. - London
- Diamac Engineering Ltd. - Cowdenbeath
- Diamond Drilling Solutions - Wolverhampton
- Diamond Precision Engineering (Wirral) Ltd. - Birkenhead
- Diamro Engineering & Fabrication Co. - Sheffield
- Dias & Co - London
- Diaz Associates - Liverpool
- Dibone Engineering Ltd. - Stroud
- Dicconson Investments Ltd. - Wigan
- Dick William G & Ken Howard - Godalming
- Dickinson Building Design Ltd - Derby
- Diespark - Birmingham
- Digby Alan W - Wellingborough
- Digby Rowsell Associates Ltd - Devizes
- Digisound Ltd. - Scunthorpe
- Digit Site Services Ltd - Kilmarnock
- Digital Construction Worldwide Ltd. - Chesterfield
- Digital Design (Derby) Ltd - Derby
- Digitech 3D - Newry
- Dilwyn Roberts - Ymgynghorwyr Consultants Ltd - Aberystwyth
- Dimac Systems Ltd. - Harwich
- Dimewest Ltd - Stockton on Tees
- Dinesh Tailor Building Plans Services - Leicester
- Dinsdale-Young Ltd. - Glasgow
- Dinting Metric - Glossop
- Dinwiddie Maclaren - London
- Diostech Ltd. - Dunfermline
- Direct Development Engineering Ltd. - Leek
- Direct Draughting Services Ltd - Glasgow
- Directland Ltd. - Radlett
- Diskcroft Ltd. - Scunthorpe
- Display Architecture Ltd. - London
- Diving & Marine (Engineering) Ltd. - Penarth
- Dixey's Draughting Services Ltd - Brigg
- Dixon Architects - London
- Dixon Crawford - London
- Dixon Engineering Ltd. - Swadlincote
- Dixon Hurst Kemp - Chichester
- Dixon Jones Ltd. - London
- Dixon Sharman Associates Ltd. - Peterborough
- Dixon Webb - Liverpool
- Dixon Webb - Chester
- Dixon Webb Llp - Liverpool
- DJ Tym (Engineering) - Rainham
- Dk Architects - Hove
- Dkm Marine Design Services Ltd. - South Shields
- Dla Architects Ltd. - Milton Keynes
- DLA Architects Practice Ltd - Milton Keynes
- Dlg Racing Products - Nuneaton
- Dlm Architectural Designers Ltd. - London
- DMI Precision Engineering Ltd - Tranent
- DMP Catering Epuipment - Hounslow
- DMS Fabrication and Engineering - Basingstoke
- Dna Architecture Ltd. - London
- Dobbin & Sullivan Ltd. - London
- Dobson & Poole Ltd. - Bromley
- Dobson Clem Associates - Bromsgrove
- Dobson Engineering - Salisbury
- Dobson Owen Cyf - Pwllheli
- Dobsons Design Ltd - Wooler
- Doctor C B Mynott Ltd - Northampton
- Doherty Architects - Belfast
- Doherty Consulting Services - Craigavon
- Dolphin Digital Systems Ltd. - Wimborne
- Dolphin Lifts Midlands Ltd - Birmingham
- Dols Wong - London
- Dome Consulting Ltd. - London
- Domestic Gas Installations & Servicing - Derby
- Dominic Warren Architects - London
- Don Mitchell Associates - Cowbridge
- Donald Goldsack Associates Ltd. - Steyning
- Donald Hylton Service - Bolton
- Donald Insall Associates Ltd - Cambridge
- Donald Insall Associates Ltd. - London
- Donald James (Architects) Ltd. - Banbury
- Donald K Clark Ltd - Skipton
- Donald Maclean Chartered Architect - Bishopton
- Donald Millar Associates - Edinburgh
- Donald N Purkiss & Associates - Saffron Walden
- Donald Shearer - Stratford upon Avon
- Donald Smith Seymour & Rooley - Manchester
- Donald Whitfield Practice - Wadebridge
- Donaldson - Cheltenham
- Donaldsons - Birmingham
- Doncasters - Ryde
- Doncasters Aerospace Components - Shrewsbury
- Donland Engineering (Southern) Ltd. - Egham
- Donoghue Engineering Services Ltd. - Redcar
- Donovan Hewitt - Leatherhead
- Dontech Ltd. - Aberdeen
- Doocey Holdings Ltd. - Tipton
- Door Care & Security Ltd. - Glossop
- Door Dwell - Bristol
- Doran T - Barrow in Furness
- Dorlec Ltd. - Chesterfield
- Dorman Engineering Services - Loughborough
- Dorman Hill Associates Ltd. - Coventry
- Dorset Land Surveying - Ferndown
- Double G Engineering Ltd. - Coventry
- Double O Engineering Ltd. - Nottingham
- Double Technical Design Ltd - Wellingborough
- Doubleformat Ltd. - Welwyn Garden City
- Doublewood Engineering - Witham
- Doubt - Chester
- Doughty Architectural Ltd - Scarborough
- Douglas - Rochester
- Douglas Briggs Partnership - Chichester
- Douglas D R - Wrexham
- Douglas Elliot & Associates - Norwich
- Douglas Gunn Architectural Design Ltd - Stroud
- Douglas J Duncan Building Consultant - Stonehaven
- Douglas Precision Ltd - St Leonards on Sea
- Douglas Riach R I B A - Oxford
- Douglas Rigg Surveyors Ltd - Warrington
- Douglas Smith Partnership - Glastonbury
- Douglas Stevens & Co. Ltd. - London
- Douglas Wallace Designers Ltd. - London
- Douglas Willis Associates - Bristol
- Dove Company Design Ltd - Dereham
- Dove Heating Ltd - New Malden
- Dovebrace Ltd - Chester
- Dow Jones Architects Llp - London
- Dowding & Mills (U K ) Ltd. - Warrington
- Dowding & Mills (U K ) Ltd. - Bridgend
- Dowding and Mills plc - Sheffield
- Dowding Mills Engineering Svs (Bristol) - Bristol
- Dowell Services Ltd. - Carlisle
- Dowen Denis Associates - Durham
- Dowling & Dodd Partnership - Truro
- Dowling Blunt Ltd. - London
- Dowling Design & Development Ltd. - Chichester
- Dowling Dodd Partnership - Truro
- Downes Designs Ltd - Pudsey
- Downie Consulting Engineers Ltd. - London
- Downies South Wales - Cardiff
- Downing Bentley - Cheltenham
- Dowson Engineering Ltd. - Bingley
- Doyle Partnership - Huddersfield
- DP Automatics Ltd - Holsworthy
- Dpa (London) Ltd - Hoddesdon
- Dpds Architecture Ltd - Swindon
- DR Case and Son - Brighton
- Dr D Lavelle & Associates Ltd. - Holywood
- Dr J H Burgoyne and Partners - Manchester
- Dr K Langskog Architect - Aberdeen
- Dr LP Smith - Hampton
- Dr McS Ltd. - Biggleswade
- Draf Engineering Services Ltd. - Manchester
- Drafting & Design Centre - Derby
- Draftplus Ltd. - Coventry
- Dragonfly Ltd. - Kilmacolm
- Drainmate L L P - Windsor
- Dransfield Owens De Silva Ltd. - London
- Drawpet Ltd. - Salisbury
- Drawsign - Selby
- Drawsupa Co. Ltd. - Poole
- DRB Group - Deeside
- Drew Pearce - Exeter
- Driver Consult Ltd. - London
- Driver Project Services Ltd. - Dartford
- DRS (Presstools) - Cradley Heath
- Drummond Kelsey Chartered Surveyors - Huddersfield
- Drury & Partner - Salisbury
- DSB Services (UK) Ltd - Burton on Trent
- Dsc Partnership Ltd. - Craigavon
- Dsdha Ltd - London
- Dsf Delmec Ltd. - Blackburn
- DSH Electronics Ltd - Bradford
- Dsr Refrigaration - Hillsborough
- Dts Raeburn Ltd. - Birmingham
- Dua Architecture Llp - Christchurch
- Dualchas Building Design - Isle of Skye
- Duckworth and Kent (Precision Components) Ltd - St Ives (Huntingdon)
- Duckworth and Kent (Reading) Ltd - Reading
- Duffys Do Drains - Leeds
- Dukes Sutton & Dickinson - Hull
- Dumarest Associates - New Malden
- Duncan & Bailey Kennedy - High Wycombe
- Duncan Associates (Scotland) Ltd - Innerleithen
- Duncan Kerr McAllister Architects - Dundee
- Duncan O'Kelly Partners - Chichester
- Dundee Plant Co. Ltd. - Dundee
- Dunlaw Engineering - Chard
- Dunlop Hawthorne Partnership - Carrickfergus
- Dunne Building & Civil Engineering Ltd. - Bathgate
- Dunphy & Hayes Ltd. - London
- Dunrose Construction Ltd - Atherstone
- Duns R H - Newcastle upon Tyne
- Dunwoodie Architects Ltd - Newcastle upon Tyne
- Durris Drilling Engineering Services Ltd - Banchory
- Duspol Ltd - Newark
- Dusst Digital Ltd. - London
- Duston Engineering - Northampton
- Duxburys - Blackpool
- DV Automation Ltd. - Halesowen
- DW Engineering - Consett
- Dw International Ltd - Reading
- Dwa - York
- Dwa Derek Watts Associates - Caterham
- Dwyran Design and Development Ltd - Anglesey
- Dye Tabrett Architects Ltd - Tunbridge Wells
- Dyer & Butler Ltd. - Southampton
- Dyke Coomes Architects Ltd. - London
- Dyke John N - Northampton
- Dykes Associates Ltd. - Nottingham
- Dynamica Ltd. - Mablethorpe
- Dynoliner Ltd. - Blackburn
- Dyson & Buesnel - Jersey
- Dyson Architects Ltd - London
- Dytecna Ltd. - Weybridge
- E & A Tooling Ltd. - Bognor Regis
- E & D Services Ltd. - Ipswich
- E & J Construction - Wigan
- E & M Design Partnership - Rochford
- E A Technical Services Ltd. - Clitheroe
- E A Aiston Machanical Engineer - Calne
- E A Blythe & Co. Ltd. - Newtownards
- E A Design - Newton Stewart
- E A R Sheppard - Hastings
- E A Szotek Ltd - Falkirk
- E Bacon & Co. Ltd. - Grimsby
- E Bowen Constructions - Carmarthen
- E Breare Building Design - Keighley
- E C Harris Llp - Exeter
- E C S - Chester
- E D G E Consultants Ltd - Manchester
- E D P Ltd. - Romsey
- E E Bates Ltd. - Wetherby
- E E E Ltd. - London
- E G Steele & Co. Ltd. - Hamilton
- E G M Associates - London
- E G Mitchell - Londonderry
- E G Precision Engineering Ltd. - Luton
- E H Hassell & Sons Ltd - Stoke on Trent
- E H Thompson & Son (London) Ltd. - Ongar
- E I M (London) Ltd - Gillingham
- E I S (Engineering Industrial Services) Ltd. - Beith
- E J Watts Engineering Ltd. - Bedford
- E J Hamilton Civil Engineering Services Ltd. - Ellesmere Port
- E J Jones & Son - Newcastle Emlyn
- E J M Engineering Ltd. - Leicester
- E J McCann - Omagh
- E J Owen Engineering - Braintree
- E K Drawing Service - Broadstairs
- E L Bailes (Technical Services) Ltd. - Huddersfield
- E L Hydraulics & Engineering - Strabane
- E L Johnson's Sons & Mowat - Hull
- E L S S Engineering Ltd - Limavady
- E M Hunt - Kilwinning
- E M Motors - Craigavon
- E M Power Management - Sevenoaks
- E M S (Mansfield) Ltd - Mansfield
- E M S Civils Ltd. - Alfreton
- E P R Architects Ltd. - London
- E P Stevens Associates - Swindon
- E P T Partnership - Cardiff
- E P W Construction Ltd. - Andover
- E R D C - London
- E R M C Ltd - Newport
- E S A Design Ltd. - London
- E T C Design Ltd. - Wolverhampton
- E T Design Ltd - Alresford
- E T Marine Engineering Co. Ltd - Grays
- E T Parker - Bristol
- E Tech Engineering - Accrington
- E Terry Groundworks Ltd. - Stourbridge
- E-Griffin Consulting Ltd. - Huntingdon
- E. D. S. Electrical - Wirral
- E.A. Drabble & Company Ltd - Sheffield
- E.D.P. Business Services Ltd - Worksop
- E.G. Laycock & Sons Ltd - Sheffield
- E.J. Watts Engineering Ltd - Bedford
- E.Keogh - Swindon
- E.Keogh - Swindon
- E.M Pick Planning - London
- E.M.S.N.D.T. Ltd - Plymouth
- E2A Ltd. - Barnsley
- Eachus Huckson - Kidderminster
- Eacon Engineers - Hull
- Eadie Plumbing & Gas Service - Glasgow
- Eagle Engineering Services - Caerphilly
- Eagle Lyon Pope Ltd. - London
- Eagleton & Co. (Surveyors) Ltd. - Birmingham
- Ealing Surveyors Ltd - London
- EAR Sheppard - Eastbourne
- Earl C Kaye & Associates - Leeds
- Earl Power Engineering Ltd. - Sidcup
- Earle Architects Ltd. - London
- Earthcon Ltd. - Walsall
- Easey Control - Stowmarket
- Easilock - Ellesmere Port
- East African Industrial Development Ltd - Douglas
- East Anglian Land Surveys Ltd. - Stowmarket
- East Architecture Landscape Urban Design - London
- East Architecture Landscape Urban Design Ltd. - London
- East Berks Electrical Ltd - Reading
- East Coast Civil Engineering Ltd - Colchester
- East Coast Engineers (Grimsby) Ltd. - Grimsby
- East Coast Locks - Musselburgh
- East Durham Manufacturing & Engineering Co. Ltd. - Hartlepool
- East Kirkby Engineering Co. Ltd. - Boston
- Eastabrook Architects Ltd. - Cheltenham
- Eastcove Ltd. - Ellon
- Eastern Civil Engineering Ltd. - Beccles
- Eastern Construction Partnership Ltd. - Beccles
- Eastern Fabrication & Engineering Ltd - Lowestoft
- Eastern Lift Services Ltd. - Colchester
- Eastern Switchgear Ltd - Great Yarmouth
- Eastfield Design Ltd. - Wellingborough
- Eastman Peddar Ltd. - London
- Easton Bevins - Cheltenham
- Eastway Construction - Liverpool
- Eastwood & Partners (Consulting Engineers) Ltd. - Sheffield
- Eastwood and Partners Consultant Engineers - Fleet
- Eastwood Engineering - Radstock
- Eastwood Engineering Ltd - Doncaster
- Eaton & Strevens - Waltham Cross
- Eaton Strevens Associates Ltd. - Waltham Cross
- Eaves Machining Ltd - Manchester
- EB Engineering - Birmingham
- Eberleine Richard J - Aylesbury
- Ebss Ltd. - Chigwell
- Ec Energy Ltd. - Bury
- Ec Harris Group Ltd - London
- Ec Harris Llp - London
- EC-EX Engineering - Thatcham
- Ecclesfield Engineering Ltd. - Sheffield
- Ecclesfield Engineering Services - Sheffield
- Ecco - Wellingborough
- Ecd Architects Ltd. - London
- Echogrove Ltd - Billingham
- Eco Air Technologies Ltd. - Northampton
- Eco Electric Ltd. - Newton Abbot
- Ecoenergy Ltd. - Barnsley
- Econolith - Rotherham
- Edburton Contractors Ltd. - Henfield
- Eddie Harrison Ltd - Stonehaven
- Eddie's Engineering - March
- Eddisons Commercial Ltd - Manchester
- Eddisons Commercial Ltd. - Leeds
- Edf Trading Markets Ltd. - London
- Edgefine Ltd. - Rugby
- Edgeworth Street Ltd. - Solihull
- Edina Lock & Key Co. - Edinburgh
- Edmar Engineering Co. Ltd. - Birmingham
- Edmond Shipway & Partners - Bath
- Edmonson John F - Cardiff
- Edmund Hutton Chartered Surveyor - Manchester
- Edmund Kirby Llp - Liverpool
- Edmund Nuttall Ltd - Newcastle upon Tyne
- Edmund Nuttall Ltd - Berkhamsted
- Edmund Nuttall Ltd - Southampton
- Edmund Nuttall Ltd - Cardiff
- Edmund Nuttall Ltd - Northwich
- Edmund Shipway (Nottingham) - Nottingham
- Edp Consulting Engineers Ltd. - Livingston
- Edris Estates Ltd. - Warrington
- Edron Engineering (Accrington) Ltd. - Accrington
- Edronland Ltd. - Chorley
- Edward & Hindle - Sutton Coldfield
- Edward Architectural Services Ltd. - Leeds
- Edward Behague - Burton on Trent
- Edward Bird Associates Ltd - Corbridge
- Edward G Anderson - Stone
- Edward J Frazier Ltd - Leighton Buzzard
- Edward Kerr - Londonderry
- Edward Ormerod & Co. Ltd - Manchester
- Edward Precision Saws & A E Coles - Taunton
- Edward R J Ward - Buxton
- Edward Roscoe Associates - Watford
- Edward S Rose & Cooper - Leicester
- Edward Sargent Conservation Architect - Gravesend
- Edward Stenhouse Ltd - Hartfield
- Edward Symmons Llp - London
- Edward Taylor Architect & Planning Consultant - Gorebridge
- Edward Tucker Architecture + Illustration Ltd - Swindon
- Edward Watson Associates - Newcastle upon Tyne
- Edward White Ltd - London
- Edwards & Co. - Manchester
- Edwards Bartholomew Millard - Benfleet
- Edwards Bros - Littlehampton
- Edwards Engineering - Watford
- Edwards Engineering & Fabrication Co. Ltd. - Widnes
- Edwardsthomas & Anthony Morris - Neath
- Edwin Thompson - Windermere
- Edwin Amies & Son Ltd - Maidstone
- Edwin Hill Partnership - Manchester
- Edwin Wray Architect - Craigavon
- Edwin Wright - London
- Edzell Groundworks Ltd. - Glasgow
- Effective Design Solutions Ltd. - Glasgow
- Effectiveness by Design Ltd - Leatherhead
- Efftek Diagnostic Engineers - Sunderland
- Egdonhurst Ltd. - Stockport
- Eger Architects - London
- Egg Up Ltd. - Harrogate
- Ei.Whs - Sheffield
- Eichsfeld Engineering - Chelmsford
- Eirscot Engineering Ltd. - Hoddesdon
- Ek Drawing Service Ltd. - Broadstairs
- Ekimeh I - London
- Elaine Graham Ltd. - York
- Elan Precision - Clitheroe
- Elder & Cannon - Glasgow
- Elders - Edinburgh
- Elders Consulting Engineers Llp - Dundee
- Eldon Engineers Ltd - Preston
- Eldred Geotechnics Ltd. - Orpington
- Eldren Croy Architects - London
- Eldridge - Sherborne
- Eldridge & Smerin Ltd. - London
- Electair - Belper
- Electrical Draughting Services - Bexley
- Electrification Consultancy Services Ltd. - Worthing
- Electro Automation (N I) Ltd. - Lisburn
- Electro Mechanical Installations Ltd. - Stockport
- Electro Services Ltd. - Bedford
- Electro-Mechanical Engineering Services Ltd. - Carlisle
- Electro-Tech C P Ltd. - Grantham
- Electronic Architecture Ltd - Wolverhampton
- Electrotech Edm Services Ltd. - Sheffield
- Elemental - London
- Elements Architecture Ltd. - Perth
- Eleph Design Ltd. - London
- Elesys Ltd. - London
- Elford Marine Services - Christchurch
- Elite Contracts U K Ltd. - Benfleet
- Elite Designers Ltd. - London
- Elizabeth A Swainston Architects - London
- Eljay Engineering - Sheffield
- Elkay Engineering - Great Missenden
- Ellenbeck Ltd. - Preston
- Ellesfield (Uk) Ltd - Yarm
- Ellesmere Engineering Co. Ltd. - Manchester
- Ellingsen Electrical Services Ltd - Stockton on Tees
- Elliott Dent Ltd - Sunderland
- Elliott Engineering - Carlisle
- Elliott Environmental Surveyors Ltd - Hexham
- Elliott Thomas Ltd. - Oxted
- Elliott Wood Partnership Llp - London
- Ellipta Ltd. - Kendal
- Ellis Belk Associates - Poole
- Ellis K - New Milton
- Ellis Welding Ltd. - Northwich
- Ellis Williams Architects Ltd. - Runcorn
- Ellison Engineering Co. Ltd. - Nottingham
- Elluc Projects Ltd. - Lymm
- Elmsett Engineering - Halstead
- Elmstead Mechanical Ltd. - Sevenoaks
- Elnor Engineering - Nantwich
- Elphis Engineering Ltd. - Wells
- Elrick Smith Ltd - Worcester
- Elsom Spettigue Associates Ltd - Woodbridge
- Elstead Engineering Ltd - Basildon
- Elston Developments Ltd. - Shepperton
- Elstree Aero Club Ltd. - Borehamwood
- Ely Planning - Eastbourne
- Ema Architecture + Design Ltd - Edinburgh
- Emapsite Com Ltd. - Hook
- Emark Marine Ltd. - Emsworth
- Emcor Engineering Services - Hatfield
- Emerson Design & Engineering Ltd. - Royston
- Emerson Process Management Shared Services Ltd. - Chatham
- Emic Associates Ltd - Southampton
- Emjay Engineering - Chippenham
- Emmitec - Oldham
- Emmitec Precison Engineers - Oldham
- Emneth Engineering Services - Wisbech
- Empire Air Condition - London
- Emrill Engineering Ltd. - Pinner
- Emtec Ltd - Henley on Thames
- Enamel Engineering Services Ltd - Newport
- Encia Terracare (West) Ltd. - Warrington
- Encon Engineering (Wales) Ltd. - Caerphilly
- Encon Special Contracts Ltd - Northampton
- Endotec Ltd - Grimsby
- Endura Properties Ltd. - Manchester
- Enercell U K Ltd - Brighton
- Energistar Com - Whitland
- Energy & Design Partnership - Aberdare
- Energy Audit Company Ltd - London
- Energy Concerns Ltd. - Glasgow
- Energy Efficiency Centre Ltd. - Halifax
- Enermech Ltd. - Aberdeen
- Enfilade Ltd - Eastleigh
- EngDesign Ltd - London
- Engineering & Consultancy Services Ltd - Guildford
- Engineering & Building Design - Kidderminster
- Engineering & Construction Products - Newry
- Engineering & More Ltd - Chester
- Engineering (B A R B ) Pipework Services Ltd. - Workington
- Engineering (Systems) Ltd. - Coventry
- Engineering (Uk) Ltd - Barnsley
- Engineering Analysis Services Ltd. - Lymm
- Engineering Center (U K ) Ltd. - Harrow
- Engineering Consulting Ltd. - Haywards Heath
- Engineering Control Supplies Ltd. - Dorchester
- Engineering Design & Analysis Ltd - Preston
- Engineering Design Partnership - Altrincham
- Engineering Ingenuity Ltd - Banbury
- Engineering Installations (Teesside) Ltd. - Middlesbrough
- Engineering Land & Building Surveys Ltd. - Betchworth
- Engineering Microsystems Ltd - Liphook
- Engineering Projects Development Ltd. - St Helens
- Engineering Refurbishments - Worthing
- Engineering Service Co Ltd - Bolton
- Engineering Services (Accrington) Ltd. - Accrington
- Engineering Services Associates Ltd. - Fareham
- Engineering Services Consultancy Ltd. - Birmingham
- Engineering Services Design Ltd - Chesterfield
- Engineering Services Partnership Ltd - Croydon
- Engineering Solutions & Supply Ltd. - Newbury
- Engineering Solutions (Bexley) Ltd. - Bexley
- Engineering Solutions (N E) Ltd. - Northallerton
- Engineering Solutions Europe Ltd - Burnley
- Engineering Systems - Nottingham
- Engineers Haskins Robinson Waters Ltd. - London
- Engineers Incorporated Ltd. - Cardiff
- English Heritage Buildings West Ltd - Newton Abbot
- Englishaus Ltd. - Hampton
- Enproma Ltd. - Leeds
- Enritch Design Ltd - Sheffield
- Ensign Draughting - Leeds
- Ensign Site Services Ltd. - Ellesmere Port
- Ensis Engineering Services Ltd - Ferndown
- Ensys Technologies Ltd. - Caterham
- Enterprise Architecture Consulting Ltd - Oxford
- Enterprise Power Services Ltd. - Barnet
- Entwistle Design Services - Chorley
- Enviro Training Ltd. - Birmingham
- Environ Safety Management Ltd. - Rotherham
- Environment Information Services - Narberth
- Environmental Design Associates Ltd - Twickenham
- Environmental Design Partnership - Livingston
- Environmental Electrical Engineering Ltd. - London
- Environmental Engineering (U K) Ltd. - Dukinfield
- Environmental Techniques Ltd. - Lisburn
- Epoc Ltd. - Gloucester
- Ept Partnership Ltd. - Cardiff
- Equalwork Ltd - London
- Equcs Associates Ltd. - Livingston
- Equi-Tech Ltd. - Glasgow
- Equinox Precision Engineering - Blackburn
- Equipdata Ltd - Merthyr Tydfil
- Era Studio Ltd. - London
- Eradakil Building Preservation Ltd - Glasgow
- Erect-Architecture - London
- Ergenekon Ltd. - Barnet
- Eric Cole & Partners - Cirencester
- Eric Edwards - Dolgellau
- Eric Kirkby - Bolton
- Eric R Kuhne & Associates - London
- Eric Tweddle - Bishop Auckland
- Eric Ward Automation Ltd. - York
- Ericht Offshore Services Ltd. - Blairgowrie
- Ericsson Architects Ltd. - Dalkeith
- Erma Engineering - Hitchin
- Ernest A Candy - Shepton Mallet
- Ernest Griffiths & Son - Richmond
- Ernest Owers & Williams (West End) Ltd. - London
- Ernestdoe and Sons - Hassocks
- Erode-All - High Wycombe
- Erskine Hurt Consultants Ltd. - Matlock
- Esatto Ltd. - London
- Escada Optech (Bolton) - Bolton
- Escher Silverman Ltd. - Romsey
- Escritt Barrell Goldings - Grantham
- Esmond Murray Architects - Bath
- Essar Engineering - Reading
- Essen Valuers & Co. - Watford
- Essendy Ltd. - Warrington
- Essex Land Surveys Ltd - Maldon
- Estarxo Ltd. - Montrose
- Estimating & Surveying Services - Maidstone
- Eta Projects Ltd. - London
- Etec Engineering Services Ltd. - Doncaster
- Etec Services - Newry
- Euasia Ltd - Addlestone
- Eulinea Ltd. - Worcester Park
- Eurasia Mining Plc - London
- Eurex Energy Ltd. - York
- Eurfyl Treharne James & Co Ltd - Carmarthen
- Euro Tach Services - Armagh
- Eurobrille - Morden
- Eurodevices (UK) Ltd - Leeds
- European C N C Turned Parts Ltd. - Birmingham
- European Corrosion Supplies Ltd - Kidderminster
- European Urban Architecture Ltd. - London
- Eurotecture 92 Ltd. - Warminster
- Evans & Evans Countrywide - Stafford
- Evans & Hardy - Leamington Spa
- Evans D - Crewe
- Evans D & Son - Oswestry
- Evans Grant (Fareham) Ltd. - Fareham
- Evans Jones & Partners - Cheltenham
- Evans Precision Engineering - Dewsbury
- Evans Rennie Chartered Surveyors - Harrogate
- Evans Rennie Chartered Surveyors - Harrogate
- Evans Vettori Architects - Matlock
- Evenden Engineering Ltd. - Maidstone
- Everett Charles Technologies Ltd. - Macclesfield
- Everett Newlyn - Chelmsford
- Evison & Co - Tunbridge Wells
- Evisystem Ltd - Bordon
- Evo Concepts - Manchester
- Evo Engineering - Heckmondwike
- Evolution Ecology - Stoke on Trent
- Evolve Consulting Engineers Ltd. - London
- Evtec Ltd. - Belper
- Ex-Press S W Ltd. - St Austell
- Exact Survey & Civil Engineering Ltd - Folkestone
- Excel Architectural Engineering Ltd. - Rochester
- Excel Power Construction Ltd. - Bridgend
- Exeter Hose and Hydraulics Ltd - Exeter
- Exidor Ltd. - Cannock
- Exign Technology - Eastleigh
- Exmol Manufacturing - Bourne
- Expert Cad Services Ltd - London
- Expert Technical Systems Ltd. - Tewkesbury
- Express Service Engineering Ltd. - Bridgend
- Express Surveyors Ltd - Banbridge
- Express Ventilation Services Ltd. - Wolverhampton
- Exsell Paving Contractors - Leven
- Extension Design Ltd - Preston
- Extratry Ltd - Manchester
- Eye Hill Engineering - Ely
- F & M Wainman - Keighley
- F & R Engineering Services - Huddersfield
- F & S Engineering - Rochdale
- F A Parkes (Motor Body Fittings) Ltd. - Leigh
- F B McKee & Co. Ltd. - Belfast
- F B W Engineering Services Ltd - Warrington
- F C P Architects - London
- F Dawson & Son - Sheffield
- F Dixon & Company Ltd - Coventry
- F G Burnett Ltd - Aberdeen
- F G Precision Ltd. - Andover
- F G B Surveys Ltd. - Huddersfield
- F H P Partnership Ltd. - Sheffield
- F I S Loveday Ltd. - Birmingham
- F J Malcolm Mair - Crowborough
- F J P Services Ltd. - Aberdeen
- F J Samuely & Partners - London
- F J Thompson & Co - Rickmansworth
- F Jones Charles & Son Llp - Chester
- F K W Ltd - Bristol
- F L I Water & Energy Ltd. - Letchworth
- F M B Structural Design Ltd - Anstruther
- F M H Consulting Ltd - Bath
- F O Architects Ltd. - London
- F P Architects Ltd. - London
- F R Varley Associates - Skipton
- F S P Business Services Ltd. - London
- F T Allen Ltd. - Worthing
- F Taylor & Son - Wigston
- F W Consulting Ltd. - Belfast
- F W T Burrows & Co. Ltd. - Northampton
- F W Taylor & Associates - London
- F.P. McCann Ltd - Craigavon
- Faarup Associates - Lichfield
- Fab Weld - Bristol
- Fabdraw - Ballymena
- Fabermaunsell - Altrincham
- Fabwell Engineering - Wrexham
- Facade Advisory Services Ltd - Stratford upon Avon
- Fadquest Ltd - Kettering
- Fairbairns - Alloa
- Fairbrother & Grimshaw Engineering Ltd. - Blackburn
- Fairclough & Co - Redhill
- Fairford Studios - Halesworth
- Fairmount Weather Systems - Cambridge
- Fairport Site Operations Ltd. - Chorley
- Fairweathers Surveyors Ltd. - Reading
- Faithful + Gould Ltd - Stoke on Trent
- Faithful + Gould Ltd - Leeds
- Falcon Engineering Productions Ltd. - Birmingham
- Falcon Mechanical Services Ltd. - Godalming
- Falcon Precision Engineering Ltd. - Bury
- Falconer Chester Hall Ltd. - Liverpool
- Fallwood Engineering Ltd. - Keighley
- Famedean Ltd. - London
- Faraway Engineering Ltd. - Rugby
- Farcourt Ltd - Rochdale
- Farebrother - London
- Farebrother & Partners - Tamworth
- Faringdon Precision Engineering Ltd. - Faringdon
- Farmarine Engineering - Pulborough
- Farmstead Engineering Co - Birmingham
- Farquhar Associates Ltd - Strathaven
- Farquharson - Hornchurch
- Farr Engineering Services Ltd - Hornchurch
- Farran Consulting Ltd. - Tonbridge
- Farrar Bamforth Associates Ltd. - Huddersfield
- Farringdon Instruments Ltd. - Alton
- Farrington & Associates - Goole
- Farrow & Clarke - London
- Fasciato Architects Ltd - Wilmslow
- Fastrack Engineering Ltd - Warrington
- Faulks Perry Culley & Rech - Derby
- Fawdry & Evans - London
- Fay Engineering Ltd. - Thetford
- Fayrewood Electronics Ltd - Verwood
- Fazercad Ltd - Lewes
- FC Newell and Son Ltd - Wincanton
- Fdh Ltd. - Lydney
- FE1 Waterloo Southwark Locksmith - London
- Featherstone Architects Ltd. - London
- Feilden & Mawson - Cambridge
- Feilden + Mawson L L P - Norwich
- Feilden Clegg Architects - Bath
- Feilden Clegg Bradley Studios Llp - Bath
- Feintdesign - Wallasey
- Felden Design Studio Ltd. - Hemel Hempstead
- Fellcroft Ltd - Coventry
- Fenton Associates - London
- Fenton Precision Engineering Ltd. - Wellingborough
- Fereday Lewin Associates - Norwich
- Fergus Peter W - Livingston
- Fergus Purdie Architects - Perth
- Ferguson & Co. - Carnforth
- Ferguson Developments Ltd. - Rochdale
- Ferguson McIlveen LLP - Belfast
- Ferguson Sayell Partnership - Harrogate
- Fermandy Services - Crawley
- Fern Commissioning Services Ltd - Stafford
- Ferncover Ltd. - Surbiton
- Fernie Greaves Ltd. - Sheffield
- Fernley Engineering Ltd. - Chertsey
- Fg Sprinkler Services Ltd. - Heywood
- Fibre Safe Ltd. - Wirral
- Field Consultancy Services Ltd. - Eastbourne
- Field Engineering (Poole) Ltd. - Poole
- Field James Ltd. - Loughton
- Fielde Engineering Ltd. - Leicester
- Fieldgrove Engineering Services Ltd. - Bristol
- Fieldtech Engineering Ltd. - New Malden
- Fieldwork - London
- Fife Belcher Partnership - Chislehurst
- Filebridge Ltd. - Yateley
- Filmer Contracting Ltd. - Rochester
- Filtech Consultancy Services Ltd. - Stafford
- Filter Engineering Ltd - Yarmouth
- Final Works - Rayleigh
- Finaly Designs - Coventry
- Finance - Belfast
- Finbo Ltd - Dorking
- Finbow Bishop - Colchester
- Finch Associates Ltd - London
- Findene Ltd. - Goole
- Fine Designs Architecture - Dunfermline
- Fine Line Architectural Services Ltd - Maesteg
- Fine R and D Ltd - Kings Lynn
- Fineline Studio - Bedford
- Finesse Control Systems Ltd. - Arbroath
- Finning Hydraulic Service - Bury St Edmunds
- Fire - Glasgow
- Fire Break Fire Securities - Duns
- Fire Free - Sheerness
- Fired Earth Showroom - Belfast
- Firedragon Creations - Todmorden
- Firestop Services Ltd - Horncastle
- Firetek Ltd. - Thetford
- Firgrove Civil Engineering Ltd. - Bordon
- First 4 Design - Jersey
- First Hose - Leicester
- First Response Maintenance Ltd - Petersfield
- First Safety (Uk) Ltd - Welwyn Garden City
- First Testing Ltd. - Nottingham
- Firstaim Ltd - Woodford Green
- Firstek International Ltd. - Harrow
- Firstplan - London
- Firthstones Ltd - Coventry
- Fish Associates Ltd. - Bolton
- Fisher German - Banbury
- Fisher German Chartered Survivors - Worcester
- Fitmosh Ltd - Ashton under Lyne
- Fitzgerald & Associates Ltd. - Aberdeen
- Fitzgerald Garside Cowley - Forest Row
- Fitzimmon & Co - Glasgow
- Fitzpatrick International Ltd. - London
- Fitzsimons & Co. - London
- Fivash Materials Consultancy Ltd - Crawley
- Five Architecture Llp - Glasgow
- Five-Pen Engineering Ltd. - Southam
- Fives Fletcher Ltd. - Derby
- Fj Architects Ltd. - Wakefield
- Fki Engineering Ltd. - London
- Flair Electrical Engineering Ltd. - Ferndale
- Flanagan Design Associates Ltd - Accrington
- Flare Visual Ltd. - Louth
- Flatbase Ltd. - Luton
- Flatman Irrigation - Manningtree
- Flavell Precision Engineering Ltd. - Wolverhampton
- Flectcher Smith Architects - Preston
- Fleet Farm Services - Ely
- Fleming Muir Architects - Prestwick
- Fleming Russell Stent - Epsom
- Fleming Woelfell Imaging Ltd. - Edinburgh
- Fletcher Architects Uk Ltd - Manchester
- Fletcher Burrough Black Architects - Chelmsford
- Fletcher King Services Ltd. - London
- Fletcher McNeill & Partners Ltd. - Liverpool
- Fletcher Priest Architects - London
- Fletcher Properties (Wrexham) Ltd. - Wrexham
- Fleurets Ltd - Leeds
- Flexible Engineered Solutions Ltd. - Blyth
- Flight Systems & Measurement Ltd. - Milton Keynes
- Flint and Neil Partnership - Bishopton
- Flitwick Instrument Services - Bedford
- FLN Consulting Engineers - Glasgow
- Flora & Associates - Croydon
- Flotec Site Services Ltd. - Bromsgrove
- Flow Simulation Ltd - Sheffield
- Flowline Civil Engineering Ltd. - Merthyr Tydfil
- Flowonics Ltd. - Stourbridge
- Fluid Architecture Ltd - Forest Row
- Fluid Design Ltd. - London
- Fluid Gravity Engineering - Emsworth
- Fluid Gravity Engineering Ltd - St Andrews
- Fluid Power Components Ltd. - Havant
- Fluidic Northern - Warrington
- Fnm Corporation Ltd. - London
- Focus Building Surveying Ltd. - Brighton
- Focus Homes & Developments Ltd - Hemel Hempstead
- Focused Evaluations Program Pty Ltd - Exeter
- Fod Ltd - Bedford
- Foers Engineering Ltd - Hexham
- Foggo Associates Ltd. - London
- Foley D J & Co. - Bristol
- Folkes - Hassocks
- Fontana Giusti Architects - London
- Food Consulting Ltd. - Holywood
- Food Engineering Services Ltd - Chippenham
- Food Express (Bournemouth) Ltd - Fordingbridge
- Foote & Halfpenny - Swansea
- Foothills Design Solutions Ltd - Brecon
- Forbes Beattie Michael - Montrose
- Forbes Consultancy Ltd - Newport
- Forbes Leslie Network Ltd - Ayr
- Forcast Metals - Wakefield
- Forcecombe Ltd. - Hull
- Ford Associates Ltd. - Aylesbury
- Fordside Engineering Ltd. - Bath
- Forest Hill Design Ltd - Halifax
- Forest Moore Design - Thames Ditton
- Forest of Dean Mechanical Handlings - Lydney
- Forge Architects & Surveyors Ltd. - London
- Forge Garage - Market Rasen
- Forkliftadvice.Com Ltd - Tonbridge
- Form Architects Ltd. - Manchester
- Form Design (Plymouth) Ltd. - Plymouth
- Form Design Europe Ltd - London
- Form-It-All Ltd. - Farnham
- Format Building Design - Edinburgh
- Formby Surveys Ltd - Liverpool
- Formwork Architects Ltd. - London
- Fornax (Marine) Ltd - Surbiton
- Forrest Engineering Services Ltd - Uttoxeter
- Forshaw Greaves & Partners - Newcastle
- Forster Commercial - Leicester
- Forster Structural Ltd - Grimsby
- Forsyth Chartered Architects - Bath
- Fort Precision Engineering (IOW) Ltd - Freshwater
- Forth and Foyle Ltd - Grangemouth
- Forth Computer Graphics - Bo'ness
- Forth Engineering Ltd. - Walsall
- Forthright Design Ltd. - Borehamwood
- Fortress Architectural Ltd - Seaham
- Fortune Enterprises Ltd. - Bordon
- Forward Engineering Consultants Ltd. - Altrincham
- Fossey Engineering - Portsmouth
- Fostec Design Ltd - Ferryhill
- Foster & Emery - Hemel Hempstead
- Foster & Suthers - Hebden Bridge
- Foster Wheeler(G B )Ltd. - Reading
- Fouin & Bell Architects Ltd. - Edinburgh
- Foundation Utilities Ltd. - Liverpool
- Foundry and Fabrication (Totnes) Ltd - Totnes
- Four Design Ltd - London
- Fourfoursixsix Ltd - London
- Fowey Harbour Marine Engineers - Fowey
- Fowler Architects Ltd. - London
- Fowler Engineering - Warminster
- Fowler Sandford - Sheffield
- Fox Architectural Ltd. - Stourbridge
- Fox Bennett - Leicester
- Fox Contracting (Owmby) Ltd - Market Rasen
- Fox Corrugated Machinery (Uk) Ltd. - Hull
- Fox Lloyd Jones Ltd. - Leeds
- Foxhall Engineering Ltd. - Egham
- Foxx Ltd. - Bolton
- Foy McCormick Surveyors - Belfast
- Fpt Group Ltd - Glenrothes
- Framegard Ltd - Northampton
- Framework Architecture & Urban Design Ltd. - Lincoln
- Framland Engineers Ltd. - Sandhurst
- Frampton Town Planning Ltd - Banbury
- Frampton-Martin Consulting Ltd. - Radlett
- France Smoor Architects - Dundee
- Frances & Michael Edwards Architects Ltd - Godalming
- Francis Bettison (Surveyors) Ltd. - Plymouth
- Francis Bowry Chartered Architects - Beccles
- Francis Bradshaw Partnership - Wilmslow
- Francis Darrah Chartered Surveyor - Norwich
- Francis Graves Ltd. - Birmingham
- Francis Hornor Brown & Co - Norwich
- Francis Langman Surveyors - London
- Francis Roberts Architects - Preston
- Frank Eastwood & Co - Dewsbury
- Frank Hirst Architect - Paisley
- Frank Humphreys Chartered Architect - Wolverhampton
- Frank Nason & Co - Dudley
- Frank O'Gara & Sons Ltd. - Manchester
- Frank Price Architectural Technologist - Warwick
- Frank R Harris - Southsea
- Frank R Marshall & Co. - Macclesfield
- Frank Shaw Associates Ltd - Cambridge
- Frank Shaw Associates Ltd. - Chesterfield
- Frank Tucker Ltd - Bradford
- Frank Whittle Partnership - Preston
- Franklin & Andrews - London
- Franklin Associates - Hungerford
- Franklin Design Associates - Bristol
- Franklyn Nevard Architects - London
- Franks & Lewin Ltd. - London
- Frankum & Co. - Crawley
- Fraser Brown Mackenna Ltd. - London
- Fraser Brown Newman - Glasgow
- Fraser Kirkcaldy Architects Ltd - High Wycombe
- Fraser Services Ltd. - Glasgow
- Fraser W Smart Architects - Leven
- Fraser Wood - Walsall
- Fraynor Fabrication - Buckingham
- Frazers Professional Services - Kingston upon Thames
- Frazers Professional Services - Woking
- Frazers Surveyors Ltd. - Woking
- Fred Tandy Ltd. - Stockport
- Frederick Holt & Co - London
- Frederick J Williams - Beaconsfield
- Frederick J. Vickers Ltd - Poulton le Fylde
- Frederick Macmanus - London
- Frederick Parr Associates - Stafford
- Frederick Sherrell Ltd. - Tavistock
- Freeborn Estate Agents - Dartmouth
- Freeflow Mechanical Services - Woking
- Freeflow Pipe Systems - Oldbury
- Freelance Draughting - Saltcoats
- Freelance Estimating & Surveying Ltd. - Bognor Regis
- Freeman Associates - Mexborough
- Freeman Designs Ltd. - Ormskirk
- Freemantle & Maclaren Architects Llp - London
- Freemont Landscape Architects Ltd - Ashford
- Freeport Engineering Co. - Liverpool
- Freeth Construction Consultants Ltd. - Horsham
- Freeze Master Ltd - London
- French Equipment - Windsor
- Fresh Car Air Conditioning - Christchurch
- Fresh Tracks Surveying Ltd - Hengoed
- Fresson & Tee - London
- Friedenthals Ltd - Preston
- Frith Moxon Partnership - Worksop
- Frith Williams Architects - Newport
- Frost Associates - London
- Frost Engineering - Cheltenham
- Frost Meadowcroft Surveyors Llp - London
- Frost Project Management Consultants Ltd. - York
- FT Engineering - Barnoldswick
- Fugro Survey Ltd. - Aberdeen
- Fugro-Bks Ltd. - Coleraine
- Fugro-Improv Ltd. - Aberdeen
- Fuller Moon & Fuller - Croydon
- Funkwerk Information Technologies York Ltd. - York
- Furmanite International Ltd. - Kendal
- Furness Partnership (Holdings) Ltd. - London
- Fuse Architecture Ltd - Totnes
- Fusion Architecture Ltd. - Hook
- Future Cities Ltd. - London
- Future Systems - London
- Fyfe (Design Services) Ltd - Paisley
- Fyffe - Edinburgh
- Fynetech Ltd. - Aberdeen
- G & D Higgins Mechanical Services Ltd. - Harrow
- G & M Mechanical Services Ltd. - Rochester
- G & O Precision Ltd. - Leicester
- G D Lodge Architects Llp - Glasgow
- G McCluggage - Larne
- G & B Steam Pressing Equipment Engineers - Castleford
- G & F Valves - Halesowen
- G & G Technical Services Ltd. - London
- G & H Associates - Hampton
- G & H Precision Engineering Ltd. - Southampton
- G & M Venditti Compressors Ltd. - Bolton
- G A Architects - London
- G A Duncan & Sons Ltd. - Fochabers
- G A Engineering - Harlow
- G A Tech Ltd. - Coleford
- G A Tobias Gas Services - Llanelli
- G Abella (Installation & Maintenance Engineers) Ltd. - Luton
- G and H King and Family - Luton
- G B C International - Market Drayton
- G B Engineering Designs - London
- G B Engineering Services - Stoke on Trent
- G B M Door & Window Repairs - Watford
- G B M Engineering - Atherstone
- G B Saunders Engineering - Poole
- G B Servicing - Chatham
- G Bland & Sons Ltd. - Barnsley
- G C Baxter & Associates Ltd - Kings Lynn
- G C E Fluid Power Ltd. - Birmingham
- G C F - Sheffield
- G C Mmiv Ltd. - Morecambe
- G C Ogle & Sons Ltd. - Ripley
- G C Robertson & Associates Ltd - Woodbridge
- G Caswell Engineering - Rushden
- G D Architects Ltd. - Croydon
- G D Architects Ltd. - Croydon
- G D C Engineering - Dartford
- G D Lodge Architects - Glasgow
- G D M Partnership - Dartford
- G D P Architects & Designers Ltd - London
- G D Partnership Ltd. - Dartford
- G D Pope Engineering - Addlestone
- G D S Design - Bristol
- G D Weldon Ltd - Riding Mill
- G E Middleton & Co. Ltd. - Manchester
- G F Lye - Honiton
- G F Partnership Ltd. - Bedford
- G F S Projects Ltd. - Peterborough
- G Fewell Engineering Co. - Dartford
- G Gilbert Engineering Services Ltd. - Lincoln
- G H Flint Ltd - Great Yarmouth
- G H Lygate & Partners - Glasgow
- G H Services - Tamworth
- G Hearn L - Sunderland
- G Hill - Skegness
- G Hussey - Woodbridge
- G I A Ltd. - York
- G I Architects & Designers - London
- G I Martin Architects - Belfast
- G J Reid Quantum Ltd. - Prestwick
- G J M Engineering - Callington
- G J P Practice - London
- G J R Ltd - Glasgow
- G Jones - Chester
- G K Engineering & Marine Services Ltd - Stroud
- G K L Northern Ltd. - Peterborough
- G K R Associates (Building Surveyors) Ltd. - Watford
- G L Hearn - Southampton
- G L Engineering - Burton on Trent
- G L Engineering - Peterlee
- G L S Consultancy Ltd - Caterham
- G L Surveys - Edinburgh
- G M Clay Architectural Designs Ltd. - Sheffield
- G M A Airplan - Cranleigh
- G M Contracting Ltd - Midhurst
- G M Design Associates Ltd - Coleraine
- G M S Engineering Services Ltd. - London
- G M W Partnership - London
- G Mac Engineering - Dungannon
- G N M Chatered Architecs - Glasgow
- G O C Engineering Services - Glasgow
- G P J Consulting Engineers Ltd - Camborne
- G Parish Engineering - Bury St Edmunds
- G Pottle & Co - Ruislip
- G R Architects Ltd. - Penrith
- G R Engineering Services (Scotland) Ltd. - Lochgelly
- G R M Studios - Bristol
- G R Merchant Architectural Consultant - Spalding
- G R Mullender & Associates - Ongar
- G R P Tools - Southampton
- G R S Architects Ltd. - Poole
- G R Walsh - Thirsk
- G Raymond Jones & Associates - Wrexham
- G S Allen & Son Engineering Ltd. - Bewdley
- G S K Fabrications - Swansea
- G S N Pipework Fabrications & Engineering Ltd. - Cleethorpes
- G S T Robertson - Birmingham
- G Soame Planning & Development - Witney
- G Squared UK Ltd - Andover
- G T Control & Design Ltd - Rochdale
- G T Engineering (Markyate) Ltd. - Bedford
- G T Design - Cranleigh
- G T E Engineering Services - Tunbridge Wells
- G T Egineering Services - Sheffield
- G T G Engineering Co. (Loughborough)Ltd. - Loughborough
- G T Jones & Co. - Truro
- G Tec Engineering Ltd. - Atherstone
- G V Engineering Services - Morpeth
- G V Facilities Management - Waltham Cross
- G V G Project Engineering Ltd. - Jedburgh
- G W Offshore Services Ltd. - Alford
- G W B Engineering - Leighton Buzzard
- G W Building Services Consulting Ltd - Birmingham
- G Woodall - Lichfield
- G-tech Engineering Ltd - Wirral
- G-Tek Services Ltd. - Tipton
- G. & F. Press Tools Ltd - Dudley
- G. H. Design Ltd - Brierley Hill
- G.C.J Designs - Shepperton
- G.F Building Design Ltd - Stockport
- G.L.Ball Components Ltd - Melksham
- G.P.S. Project Management Ltd - Richmond
- G.P.Tudge & Associates Ltd - Bolton
- G.R.L. Ltd - Chipping Norton
- G.R.S. (Contractors) Ltd - St Helens
- G.T.C. Engineering Ltd - Leigh
- G2 Digital Video Ltd - Farnham
- GA Engineering Ltd - Manchester
- Gabbitas Gill Partnership Ltd. - Hessle
- Gable Design Ltd. - Doncaster
- Gaffney Project Management Services Ltd - Darlington
- Gage Engineering Ltd. - Ellesmere Port
- Gainsborough Engineering Services Ltd. - Gillingham
- Gale & Snowden - Barnstaple
- Gale & Snowden Architects Ltd - Bideford
- Gallaher Architects - Jersey
- Gallannaugh - Bruton
- Galloway Estates Ltd. - Marlow
- Galloway Estates Ltd. - Marlow
- Galt Civil Engineering Ltd. - Chorley
- Galtec Ltd. - Gloucester
- Gandalf Engineering - Waltham Abbey
- Ganfold Ltd. - Glossop
- Gantech (Scotland) Ltd. - Alford
- Garden Pride Marketing - Lancing
- Gardham Bowerman & Bocock - Uxbridge
- Gardiner Design Ltd - Stonehaven
- Gardner Everspace Ltd - Basildon
- Gardner Partnership - London
- Gardner Stewart & Stewart Ltd. - London
- Gareth Hoskins Archetects - Glasgow
- Gareth Webb Architects - Bristol
- Garmston Associates Ltd. - Hove
- Garner Southall Partnership - Knighton
- Garnett & Netherwood - Leeds
- Garnett + Partners Llp - London
- Garnett Netherwood Architects Ltd - Leeds
- Garreg International Ltd. - Mold
- Garrett McKee Tebbot & Wells Ltd. - High Wycombe
- Garrett White & Poland - London
- Garrison Enterprises Ltd. - Sowerby Bridge
- Garry Lupton Associates - Harrogate
- Garry Mortimer Chartered Architect - Northallerton
- Garry Porter Architect - Cobham
- Gary Craig Architectural Services Ltd - Sunderland
- Gary Craig Building Services Ltd - Sunderland
- Gary Gabriel Associates - Sevenoaks
- Gary Hoerty Associates Ltd - Clitheroe
- Gary Jones Associates Ltd. - Southampton
- Gary McDowell Chartered Surveyors - Belfast
- Gary P McDowell - Belfast
- Gary Woods Estate Agency Ltd. - Bedford
- Gas Services - Bristol
- Gas-Elec Safety Systems - Kirkcaldy
- Gas-Elec Safety Systems (High Wycombe) - High Wycombe
- Gashwind Ltd - Beckenham
- Gautrey Engineering Ltd. - Cambridge
- Gavin Electrical Engineering Ltd. - Swansea
- Gay R E - Dawlish
- Gayler Surveying Services - Lincoln
- Gbj Environmental Systems Ltd. - Warrington
- Gcg (1983) Ltd. - London
- GD Precision (CNC) Ltd - Arundel
- Gdpm Ltd - Aberdeen
- Ged Sitec Ltd. - Yeovil
- Ged Sitec Ltd. - Yeovil
- Geddes Architects Ltd. - London
- Gee Tony & Partners - Birmingham
- Gemelli Consultancy Ltd - Farnborough
- Gemini Engineering - Manchester
- Gen Set Engineering Services - Stone
- Genelec Diesels Ltd. - Louth
- General Contractors - Ossett
- Genesis Electronic Designs Ltd. - Baldock
- Genesis Technical Ltd. - Reading
- Geneva Environmental Engineering Ltd. - Leicester
- Genseed Underground Services Ltd - Chelmsford
- Geo Grace & Co. Ltd. - Widnes
- Geo-Neo Uk Ltd. - Liverpool
- Geoff Beardsley & Partners Ltd. - Teddington
- Geoff Buckley Architect - Corbridge
- Geoff Jones Electrical Engineer Ltd. - Aberdare
- Geoff Mather Design Services Ltd - Prescot
- Geoff Oliver Chartered Surveyors - Ramsgate
- Geoff Ralph Associates - Halifax
- Geoffrey Allen Associates - Maidenhead
- Geoffrey Bowman Chartered Architect - Cirencester
- Geoffrey G Fry and Associates - Havant
- Geoffrey Gunning & Associates - Plymouth
- Geoffrey Sloan Associates - Dorking
- Geoffrey Smedley and Associates - Derby
- Geomarco Ltd. - Bromley
- Geomarine (Jersey) Ltd - Jersey
- Geomex Ltd. - Malvern
- George Manser - Southampton
- George A J Mathers - Cheltenham
- George Alexander & Co - Bognor Regis
- George Anthony Designs - Newtownabbey
- George Argent & Co. Ltd. - Tenby
- George Ayres Electrical Contractor - Ashford
- George Black Architect - Edinburgh
- George Brown Consultancy - Cardiff
- George Corderoy & Co - Manchester
- George Corderoy & Co - Glasgow
- George Doherty Associates Ltd - Belfast
- George Douglas Architects - Aberdeen
- George Durrant & Sons Ltd - Harleston
- George Elliott and Associates Ltd - Pontefract
- George F White Llp - Alnwick
- George F Johnson Associates - Colchester
- George Fleck & Co. - Ballymena
- George Galberg Associates Architects - London
- George Gray (Technical Services) Ltd. - Aberdeen
- George Gunn - Glasgow
- George Hallam & Sons - Nottingham
- George Harwood Ltd. - Bristol
- George Johnston Architects - Dundee
- George Leslie Ltd. - Glasgow
- George Parkinson Ltd. - Blackburn
- George Reohorn Marine Surveys - Burry Port
- George Scott - Belfast
- George Shuttleworth Ltd. - Lincoln
- George Stephen & Partners - Leicester
- George Stephen & Partners - Leeds
- George Taylor (Engineering) Ltd. - Airdrie
- George Templeman - Kings Lynn
- George Trevor & Associates Ltd. - London
- George Trollope - London
- George Tsiantar Architects - Altrincham
- George Walker & Co - Colwyn Bay
- George Watt & Stewart - Aberdeen
- George Webb Finn - Sittingbourne
- Georgiou S - London
- Geostokos Ltd. - Alloa
- Geotec Surveys Ltd. - Godalming
- Geotechnical Environmental & Civil Engineers Ltd. - North Shields
- Geraghty Taylor Ltd - Croydon
- Gerald Bowering Associates Ltd. - Stockport
- Gerald Shenstone & Partners - London
- Gerald Wiseman & Co - Stanmore
- Gerard Lewis Designs - Maldon
- Gerrard-Queening Ltd. - Sheffield
- Gerry Lytle - Guildford
- Gerry Lytle Associates Ltd. - Guildford
- Gerry Whitehall Architect - Penzance
- Gethen M P - Nottingham
- Gettins Hogben Melia Ltd. - Macclesfield
- Gf Partnership - Bedford
- Gibb Architects Ltd. - Glasgow
- Gibbs Gillespie Surveyors Ltd. - Pinner
- Gibbs Gordon R D - Bedford
- Gibson Design & Build - Cookstown
- Gibson Design Consultancy Ltd. - Leeds
- Gibson Laing and Partners - Edinburgh
- Gifford llp - Southampton
- Gilbert Associates Ltd. - Edinburgh
- Gilbert Bath - London
- Gilbert Mitchell & Partners - London
- Gilbert Moss Construction - Liverpool
- Gilbert Tools & Services Ltd. - Wolverhampton
- Gilbert Walker - Oxford
- Gilbert-Ash N I Ltd. - Belfast
- Gildersdale Ltd. - Derby
- Giles Henry - Chislehurst
- Giles Wheeler-Bennett - Southampton
- Gilfillan Associates - Leeds
- Gillespie Design Services Ltd - Aberdeen
- Gillespies - Altrincham
- Gillett Quantity Surveyor Services - Wallasey
- Gillette U K Ltd. - Weybridge
- Gillies Williams & Associates Ltd. - Swansea
- Gilligan & Partners Ltd. - Belfast
- Gilling Dod Ltd - Liverpool
- Gills Cables Ltd. - Lichfield
- Gilmartin Ley - London
- Gilmartin Ley Ltd - London
- Gilmore Hankey Kirke Ltd. - London
- Gilmore Stones Associates Ltd - Lytham St Annes
- Gilmour & Stamp - Edinburgh
- Gilson Engineering (Southampton) Ltd. - Salisbury
- Giltglen Ltd. - London
- Gimson Electro-Mechanical - Truro
- Gino Lombardo Associates Ltd. - Derby
- Gixer Ltd. - Devizes
- Gjs Utilities Ltd. - Milford Haven
- Gl Industrial Services Uk Ltd. - Loughborough
- Gla Architecture & Design Ltd - London
- Glancrest Ltd - Hull
- Glanfield Holmlund - Alton
- Glannant Ltd. - Carmarthen
- Glass Shearing Services Ltd - Stoke on Trent
- Glassworks Hounsell Ltd - Halesowen
- Gledhill Walker Architects Ltd - Bradford on Avon
- Gledsdale Associates Ltd. - Sevenoaks
- Gleeds - Crowthorne
- Gleeds (Head Office) - London
- Gleeds (London) - Cardiff
- Gleeds (Nottingham) - Nottingham
- Glen Charman - Chichester
- Glen Eldridge - Brentwood
- Glen Howells - London
- Glen Howells Architect - Birmingham
- Glenby Off-Shore Developments Ltd - Middlesbrough
- Glencot Development & Design Co. Ltd. - Brentwood
- Glendale Forge - Dunmow
- Glendevon Engineering Services - Dollar
- Gleniffer Developments Ltd. - Edinburgh
- Glenn Howells Architects Ltd. - Birmingham
- Glenny - Barking
- Glenny - Upminster
- Glg Consultants Ltd. - Glasgow
- Glg/Design - Glasgow
- Glideform Ltd. - London
- Global Civil Engineering Ltd - Gillingham
- Global Consultants G B Ltd. - Aberdeen
- Global Industrial Services Ltd. - Letchworth
- Global Precision Engineering Co - Mitcham
- Global Rebar Services Ltd. - Peterborough
- Global Surveys Ltd - Birmingham
- Globe Architects Ltd. - Sheffield
- Globe Engineering Supplies Ltd - Grays
- Globproject Ltd. - Beckenham
- Gloucester Wire Erosion Services - Gloucester
- Glyced Project Management - London
- Glyn Bingham Associates - Bradford
- Glyn Williams (Contracts) Ltd - Swadlincote
- Glynn Buckle Associates - Usk
- Gmc Ltd. - Aberdeen
- Gmd Eurotool Ltd. - Plymouth
- Gmj Design Ltd. - London
- Gms Services Ltd. - Wigan
- Goad John Richard - Nottingham
- Goddard Doyle Ltd. - Hemel Hempstead
- Goddard Electrical Services Ltd - Prescot
- Goddard Engineering - Pulborough
- Goddard Manton Ltd. - London
- Godfrey Engineering (Geldeston) Ltd - Beccles
- Godfrey Martin Associates - London
- Godfrey-Payton - Market Harborough
- Godric Engineering Ltd - Peterborough
- Godsmark Architecture Ltd. - London
- Golby Aboyne Ltd. - Birmingham
- Goldburn Engineering Co. Ltd. - Wimborne
- Golden End Properties - Birmingham
- Goldengate Foods Ltd. - Huddersfield
- Goldings Property Consultants Ltd. - Cirencester
- Goldland Engineering Ltd - Manchester
- Goldroyce Design Ltd. - Bromley
- Goldstone Technical Services Ltd. - Lewes
- Goodall Booth - Nottingham
- Goodburn Baillie Architecture Ltd - Edinburgh
- Goodfellow 2000 Ltd - Southampton
- Gooding Bernard - Leigh on Sea
- Goodman Mann Broomhall - London
- Goodrich Projects Ltd. - Northampton
- Goodson Associates - Basingstoke
- Goodturn Engineering Ltd. - Redditch
- Goodwin Drawing Services Ltd. - Sale
- Goodwin Plc - Stoke on Trent
- Goraj Designs - London
- Gordan Nash - Warrington
- Gordon Mawhinney - Belfast
- Gordon & Latimer - Edinburgh
- Gordon Clarke Architects Ltd. - Stroud
- Gordon Ince & Co. - Basildon
- Gordon Melrose - Selkirk
- Gordon Plans - Carlisle
- Gordon Rodgers & Co - Colchester
- Gordon Swindles & Associates Ltd. - Harrow
- Gordon White & Hood - Leicester
- Gornall Cross - St Helens
- Gornall Cross Ltd - St Helens
- Gorniak & McKechnie Ltd. - Stowmarket
- Gotch Saunders & Surridge - Kettering
- Gould & Co. - Haywards Heath
- Gould Contract Lifting Ltd - Twickenham
- Gould Landscapes Ltd - Hinckley
- Gower Technical & Design Services Ltd. - Swansea
- GP Engineering - Birmingham
- Gpf Designs Ltd. - Stockport
- Gpm Engineering Systems Ltd. - Birmingham
- Gr Architectural Services Ltd - Penrith
- Grabowski - London
- Graeme Massie Architects Ltd - Edinburgh
- Graeme Stevenson Architects Ltd - Winchester
- Graham & Sibbald - Dunfermline
- Graham A Reeve Associates Ltd. - Luton
- Graham Ash Architects - Romsey
- Graham Baker Engineering Ltd. - Horley
- Graham Boulden & Co - Ashford
- Graham Burr Associates Ltd. - Doncaster
- Graham Carruthers Partnership Ltd - Bristol
- Graham Dickenson Associates - Keighley
- Graham Fairhall - Gosport
- Graham Frecknall Architects - Monmouth
- Graham Garner & Partners Ltd - Broadstone
- Graham Gibbs Associates - Scunthorpe
- Graham Glenn - Wakefield
- Graham Hallas Building & Engineering Services Ltd - Chesterfield
- Graham Hatt & Partners - London
- Graham Holland Associates - Knutsford
- Graham J Taylor - Colchester
- Graham J Greenough - Rye
- Graham Johnson Designs - Hove
- Graham Planners & Surveyors - Belfast
- Graham R Crowe - Holt
- Graham Randall Chatered Surveyors - Ashtead
- Graham Schofield Associates Ltd - Leyland
- Graham Seabrook Partnership - Chesham
- Graham Shapiro - Nantwich
- Graham Shoulin - Stockton on Tees
- Graham Sinclair Associates - Dundee
- Graham Taylor Consultants Ltd. - Chorley
- Graham Waterall Electrical Design Ltd. - Nottingham
- Graham Waterhouse Architect - Cambridge
- Graham Wright Architecture Ltd. - London
- Graham-Greene Construction Services Ltd. - Basingstoke
- Grahscott Ltd. - Chesham
- Grainge Architects Ltd. - Exeter
- Gramton Engineering Co. - Smethwick
- Grand Engineering Ltd. - Liverpool
- Granit Chartered Architects Ltd. - London
- Grant Bulloch Architect Ltd. - Edinburgh
- Grant Lawrence Building Design Ltd - Sheffield
- Grant Murray - Glasgow
- Granton Engineering & Manufacturing Ltd - Fareham
- Graphics Architectural Services Ltd - Keighley
- Graphix Design Ltd. - Southport
- Gravelye Engineering Associates Ltd. - East Grinstead
- Gray Baynes & Shew - Oxford
- Gray Cowley Nicholas - Chesterfield
- Gray Precision Engineering - Falkirk
- Gray Spurr Construction Cost Management Ltd. - Leeds
- Gray Surveying Ltd - Cirencester
- Grays Engineering (Contracts) Ltd. - Grays
- Grayson Engineering - Sheffield
- Grazyna Portal Landscapes Architect - Edinburgh
- Greatfield Engineering Services - London
- Grecian Engineering - Bolton
- Green Design Associates Ltd - Bolton
- Green Design Group - Brampton
- Green Design Partnership Ltd - York
- Green Dimension Ltd. - Milton Keynes
- Green's - York
- Greenfly Investments Ltd. - London
- Greenhalgh & Co. Structural Surveyors & Valuers - Bolton
- Greenhalgh Associates (Alton) Ltd. - Alton
- Greenhey Industrial & Marine Engineering Ltd. - Skelmersdale
- Greenhill Jenner Partnership Ltd. - London
- Greenhill Management Services Ltd. - High Wycombe
- Greenslade Taylor Hunt - Taunton
- Greenstone Design Ltd. - Todmorden
- Greenstone Engineering Ltd. - Turriff
- Greenward Associates Ltd. - Bournemouth
- Greenway & Lee Architects - London
- Greenway L A Ltd - Worcester
- Greenway Pepper Precision Engineering Ltd. - Newcastle
- Greenways Construction (Midlands) Ltd. - Derby
- Greg Braithwaite Associates - Doncaster
- Greg Holdings Ltd. - Woking
- Gregan Consulting Engineers - Wigan
- Gregori Chiarotti Architects Ltd - London
- Gregory Engineering Services Ltd - Burnley
- Gregory Fenton Ltd. - Sheffield
- Gregory J Hodgson - Bury
- Gregurec Ltd - Horsham
- Greig + Stephenson Ltd. - London
- Grenefen J Rogers - Wetherby
- Gresham Design Consultants Ltd - Edenbridge
- Gresham T Owen - Pwllheli
- Gretton Ward Electrical Ltd. - London
- Greybird Solutions Ltd. - Milton Keynes
- Greyrock Energy Ltd. - Aberdeen
- Grid Lines Ltd - Reading
- Griff Davies Ltd. - Cardiff
- Griff Engineering Services Ltd. - Southport
- Griffin Design Uk Ltd - Birmingham
- Griffin Technical Services Ltd. - Warrington
- Griffiths Cleator Associates Ltd. - Epping
- Griffiths Eccles Llp - London
- Griffiths Professional Engineering Ltd - Neston
- Grimwood Associates - Cambridge
- Grip (Architecture) Ltd - Hebden Bridge
- Gripco Industrial Services Ltd. - Dunstable
- Griplance Ltd - Manchester
- Grm Associates Ltd - Tamworth
- Grontmij Ltd. - Bristol
- Groombay Ltd - Coulsdon
- Groovy Gecko Ltd. - London
- Gross Fine - London
- Gross Fine Surveyors & Estate Agents - London
- Grossart Associates - Glasgow
- Grosvenor Architectural Design Ltd - Wigan
- Grosvenor Egineering - Long Eaton
- Grosvenor Power Services Ltd. - Manchester
- Ground Control Surveys - Much Wenlock
- Groundwork in Sandwell - Wolverhampton
- Groundwork in Walsall - Tipton
- Group Precision Engineering Services - North Walsham
- Groupbridge Ltd - Bury St Edmunds
- Grout David U - Newton Abbot
- Grove Associate Architects Ltd - Cowbridge
- Grove Design - Leominster
- Groves-Raines Architects Ltd. - Edinburgh
- Growood C N C Services Ltd - Halesowen
- Grp Engineering Ltd. - Coventry
- Gryphon Surveys Ltd - Brentwood
- Gsg Design Ltd - Glasgow
- Gsh Services (Montrose) Ltd - Montrose
- GSR Engineering - Sheffield
- Gta Civils Ltd. - Burgess Hill
- Gts Holdings Ltd - Wolverhampton
- Guardian Lock & Engineering Co. Ltd. - Willenhall
- Guardian Maintenance - Milton Keynes
- Guideline Building Services Ltd - Crawley
- Guiderule Ltd. - Watford
- Guild Ventures Ltd. - Chorley
- Guion & Brown Ltd. - Winchester
- Gundersen Enterprises Ltd. - Penarth
- Gunn & Colthart - Livingston
- Gunn Design Draughting - Peterborough
- Gurney Consulting Engineers - Woking
- Gus Alexander Architects Ltd. - London
- Guy Kester Associates - London
- Guy St.John Taylor Associates Ltd. - Newark
- Guy Woodcock & Co - Deeside
- Gva Lamb & Edge - Newcastle upon Tyne
- GW Engineering - Portadown
- Gwyn Evans (Building Consultants) Ltd. - Neath
- Gyoury Self Partnership - Fareham
- Gyoury Self Partnership - Hove
- H Bingham & Sons Ltd. - Sheffield
- H Case & Son (Cradley Heath) Ltd. - Cradley Heath
- H & C Thomas - Cowbridge
- H & D Developments Uk Ltd. - Walsall
- H & H Surveys - Barnsley
- H & M Services - York
- H & T Services - Bourne
- H A A Design Ltd. - Glasgow
- H A P Chartered Architects - High Wycombe
- H A Structures Ltd. - Mold
- H Allott Ltd. - Harrogate
- H and H Products Ltd - Halesowen
- H B Boring & Co. Ltd. - Bolton
- H B P W Consulting Ltd - Retford
- H C H Designs (Wales) Ltd - Swansea
- H C H Surveyors Ltd - Amersham
- H C T Construction Consultants Ltd. - Birmingham
- H D A Architects - London
- H D M Engineering Services - Rochdale
- H Eccles (Pattern Makers) Ltd. - Halesowen
- H F P North West Ltd - Wirral
- H I E Ltd. - Prestwick
- H I M Associates Ltd. - Preston
- H I Macpherson & W M Bell - Glasgow
- H J Wiltsher & Sons - Truro
- H L Engineering Contractors Ltd. - Scunthorpe
- H L N Architects Ltd. - Cardiff
- H L S Contracting Services Ltd. - Huddersfield
- H M Skenfield Ltd. - Leeds
- H M D Architects Ltd - Londonderry
- H M H Architects - Gateshead
- H M Mechanical & Electrical Engineers Ltd. - Dunmow
- H M P & Y O I Corton Vale (Stirling) - Stirling
- H M R Engineering - Clitheroe
- H Marshall Engineering - Nottingham
- H N C Gears & Manufacturing - Bath
- H P Card and Son - Bristol
- H P W Engineering - Darwen
- H Pickup Mechanical & Electrical Services Ltd. - Scarborough
- H Pogson & Son - Huddersfield
- H Robertson Civil Engineering Services (Fife) Ltd. - Burntisland
- H Rogers & Son Ltd. - Belfast
- H S B Architects Ltd. - Chepstow
- H S Services - Bishops Stortford
- H S Works Ltd. - Carshalton
- H T A Architects Ltd. - London
- H Tranter - Heckmondwike
- H U M Precision Engineering Ltd. - Coventry
- H-Two Consultants Ltd - Chelmsford
- H. Crawford Ltd - Saltcoats
- H.M.B. Machinists & Engineers Ltd - Alfreton
- Haarer & Goss - Exeter
- Haas Automation Ltd - Norwich
- Hace Technical Services Ltd. - Bedford
- Hackett Hall McKnight - Belfast
- Hackley Consulting Engineers Ltd. - Bolton
- Hade Graphics Ltd - London
- Hadenoak Ltd - Slough
- Hadland Manning Bullock & Partners - Banbury
- Hadleigh - Birmingham
- Hadley Kyte & Co. - Radlett
- Hadwin Associates - Northampton
- Hague Fasteners Ltd (formerly Ralin Group Ltd) - Willenhall
- Halcrow Group Ltd - Wilmslow
- Halcrow Group Ltd - York
- Halcrow Group Ltd - Swindon
- Halcrow Group Ltd - Crawley
- Halcrow Group Ltd - Edinburgh
- Halcrow Group Ltd - Exeter
- Halcrow Group Ltd. - London
- Halcrow Group Ltd. - Derby
- Halcrow Group Ltd. - Reading
- Halcrow H&S Ltd - Birmingham
- Halcrow Ltd - London
- Halcrow Management Sciences Ltd. - London
- Halcrow Transmark - Wilmslow
- Hale Allen Jones - Norwich
- Hale Marine Services Ltd. - Carnforth
- Hale Saunders - Sheffield
- Halesowen Components Ltd. - Halesowen
- Haley's Holdings Ltd. - Purley
- Hall & Bednarczyk Architects Ltd. - Chepstow
- Hall & Ensom Ltd. - Witney
- Hall and Kay Fire Engineering - Birmingham
- Hall Black Douglas - Belfast
- Hall Davis Ltd. - Surbiton
- Hall Grey Ltd. - Derby
- Hall Needham Associates - Oldham
- Hall Seals & Components - Wigan
- Hallamshire Engineering Holdings Ltd. - Sheffield
- Haller Evans & Sons - Hull
- Halliday & Co - Perth
- Halliday Clark Ltd. - Shipley
- Halliday West Associates - Chelmsford
- Halliday West Ltd. - Chelmsford
- Halligan Associates Ltd. - Birmingham
- Hallway Architectural Services - Huddersfield
- Halsall Lloyd Llp - Liverpool
- Halsall Lloyd Partnership - Gateshead
- Halsall Llyod Partnership - Nottingham
- Halson Mackley Partnership - Henley on Thames
- Halstead Associates Ltd. - London
- Halt Construction Ltd. - Ellesmere Port
- Haltec (Chester) Ltd. - Chester
- Halton Keith - Chorley
- Hamar Engineering (Coventry) Ltd. - Coventry
- Hamer Consulting Ltd - Sutton
- Hamer Plant - Manchester
- Hamilton Associates Architects Ltd - London
- Hamilton Design Engineers Ltd - Stafford
- Hamilton Gould Associates Ltd. - Bicester
- Hamilton Hallows - London
- Hamilton-Baillie Associates Ltd - Bristol
- Hamish Bell Associates Ltd - Perth
- Hamiton Architects - Belfast
- Hammer Schmidt & Lassen Ltd - London
- Hamon Design Ltd - Penmaenmawr
- Hampson Lewis Ltd. - Colwyn Bay
- Hampson Precision Automotive ltd - Brierley Hill
- Hamwic Projects Ltd - Southampton
- Hanbidge Chartered Surveyors - Littlehampton
- Hanbury Design - Loughton
- Hand Deere & Cox - Egham
- Handley Services Ltd - Sidcup
- Handy Engineering Services - Tewkesbury
- Hankinson Duckett Associates Ltd. - Wallingford
- Hann Graham Chartered Surveyors - Berkhamsted
- Hannaford Brown - Solihull
- Hannaford Upright Ltd - Woking
- Hannah Reed & Associates Ltd. - Cambridge
- Hanoman Architecture & Design Ltd. - London
- Hans Haenlein Architects Ltd. - London
- Hansom Architects (Yorkshire) Ltd. - Northallerton
- Hanson Engineering Ltd. - Lytham St Annes
- Hanson Ltd. - Penrith
- Hants Services Ltd - Bracknell
- Hantsclan Ltd. - Horley
- Harbour Developments Dunshalt Ltd. - Cupar
- Harbour Engineering - Chichester
- Harbour Jig & Tool Co. Ltd. - Watford
- Harbrook Engineering - Nantwich
- Harc Design Bereau - Stourbridge
- Harco Engineering - Brierley Hill
- Harcourt Automatic Productions (Precision Engineering) Ltd. - Erith
- Harcourt-Powell Ltd - Sudbury
- Hardcastle & Hogarth - Liverpool
- Hardies - Dalkeith
- Harding Neill & Watson Ltd. - Chichester
- Hardman Structural Engineers Ltd - London
- Hardwicke Enterprises - Gloucester
- Hardys - Lancing
- Harji Precision Engineering Ltd. - Greenford
- Harland & Wolff Heavy Industries Ltd. - Belfast
- Harland Masters Ltd. - Rochester
- Harland Services Ltd - Burton on Trent
- Harlequin Design & Development Ltd - Southam
- Harlequin Drawing and Design Ltd - Northampton
- Harley Haddow L L P - Edinburgh
- Harnettel Ltd. - Nottingham
- Harold Griffin - London
- Harold James Partnership - Slough
- Harp Engineering - Smethwick
- Harpbrand Engineers Ltd. - Derby
- Harper & Sperring - Dudley
- Harper Consultancy Ltd. - Cambridge
- Harper Engineering Ltd. - Wolverhampton
- Harrall Developments Ltd - Trowbridge
- Harrier Engineering Ltd. - Scunthorpe
- Harriet Gravil - Newark
- Harrington Design Architects Ltd - Chichester
- Harringtons - Woking
- Harris & Porter - London
- Harris Commercial Surveyors Ltd. - Ipswich
- Harris Design & Management - Crymych
- Harris Engineering - Birkenhead
- Harris Graham C - Godalming
- Harris Irwin Associates Ltd - Richmond
- Harris Lamb & Co - Worcester
- Harrison & Taylor Ltd - Blackpool
- Harrison Engineering Consultants Ltd. - Hampton
- Harrison Ince Ltd. - Manchester
- Harrison Mutch Ltd. - Gillingham
- Harrison Saw and Tool Ltd - Rossendale
- Harry Bailey Architectural Designs - Westerham
- Harry Marsh (Engineers) Ltd. - Sunderland
- Harry Osborne & David Christmas - Tunbridge Wells
- Harry Porter - Craigavon
- Harry True - London
- Hart Fenton & Co. Ltd. - London
- Hart Brothers (Engineering) Ltd - Oldham
- Hart M P Agriculture Engineers - Macclesfield
- Hartendale Ltd. - Wirral
- Hartlepool Power Access - Hartlepool
- Hartley Engineering - Sevenoaks
- Hartley Engineering Ltd. - Surbiton
- Hartleys Ltd. - London
- Hartoms Engineers - Borehamwood
- Hartwell Manufacturing Ltd - Ossett
- Harvey & Scott Gynn & Duff - Glasgow
- Harvey & Snowdon - Salisbury
- Harvey Sennitt Architects - Twickenham
- Haskoll Ltd. - London
- Haskoning U K Ltd - Newcastle upon Tyne
- Haskoning U K Ltd - Edinburgh
- Haskoning U K Ltd - London
- Haslams Chartered Surveyors - Reading
- Haslans Viouation Surveyors Ltd - Rickmansworth
- Hastings White Antique Building Supplies - Ballymena
- Haston Engineering Services Ltd - Maybole
- Hatch Associates - Hull
- Hatch Associates Ltd. - London
- Hatto & Gibson Ltd. - Redhill
- Hattrell Ds One Architects Llp - Manchester
- Haulapply Projects Ltd. - Stafford
- Haus Ltd - Winchester
- Haven Engineering Projects Ltd. - Wolverhampton
- Haven Ports (Marine & Construction Management) Ltd. - Manningtree
- Havering Design Services - Romford
- Haverstock Associates - London
- Hawk Contracts Ltd - Ruislip
- Hawk Precision - Crewe
- Hawkins & Associates Ltd. - Solihull
- Hawkins Boobyer Ltd. - Taunton
- Hawksmoor Engineering Ltd - Bristol
- Hawksmoor Property Services Ltd. - Uttoxeter
- Hawksworth & Smedley Ltd. - Chesterfield
- Hawley Associates Ltd. - Walsall
- Haworth Tompkins Ltd. - London
- Hawthorn Estates - Preston
- Hay & Smart - Chepstow
- Hay Structural Engineering Ltd. - Inverurie
- Hay-Tech Precision Engineering - Bracknell
- Haycock & Todd Ltd. - Barnsley
- Hayes & Co - London
- Hayes & Lazenby - Scarborough
- Hayes Gary & Treveor Chenery - Bexhill on Sea
- Hayhursts Ltd. - Preston
- Hayler Osbourne - London
- Hayneswood Engineering Ltd - Oldham
- Hayward Design & Build Ltd - Telford
- Hayward Precision Engineering Ltd - Bournemouth
- Haywards Property Services (Kennedy Haywards) Ltd. - Brentwood
- Hazan Smith & Partners - London
- Hazel Crawford Architect - East Linton
- Hazle McCormack Young - Tunbridge Wells
- Hb Architects Ltd. - Rugby
- Hbar Ltd. - London
- Hbw Partnership - Southend on Sea
- Head Mann Associates Ltd. - Leamington Spa
- Headbourne Ltd. - London
- Headley Project Services Ltd - Newcastle upon Tyne
- Heah & Co. - London
- Healey & Sprowson Ltd. - Stockport
- Healey Brown Partnership - Rochdale
- Heartland Contractors Ltd. - Sutton Coldfield
- Hearts Structural Surveyors Ltd. - Dartford
- Heath & Spearing - London
- Heath Architects & Stone Consultants - Haddington
- Heath Engineering - Witney
- Heathcolt Ltd. - Stockport
- Heating & Process Engineering Services Ltd. - Ilkeston
- Heavystrike Ltd. - Leeds
- Heb Surveyors Llp - Nottingham
- Heber-Percy & Parker - London
- Hector Gibb Architect Ltd. - Norwich
- Hedley Reddish - Stockport
- Hedley Stokes Associates - Huntingdon
- Heeley Installations Ltd. - Bradford
- Hegarty Architects - Londonderry
- Heighway Associates - Maidenhead
- Heitz Engineering Ltd. - Dereham
- Helena Braddock Architect - London
- Helena Enterprises Ltd - Newcastle
- Helios Precision Engineering - Hartlepool
- Helm Architecture - London
- Hemhurst Technical Services Ltd - Bexleyheath
- Hemmings Associates - Birmingham
- Hemmingway & Cumbo - London
- Hemsley Consulting Ltd - Haywards Heath
- Henderson Campbell Ltd. - Guisborough
- Henderson Scott - Market Harborough
- Hengale Ltd - Romford
- Henley Buschow - London
- Henning Stummel Architects Ltd. - London
- Henry B McNulty - Londonderry
- Henry H Bletsoe & Son - Kettering
- Henry Harrower - Haddington
- Henry Kelf Chartered Architect - Great Yarmouth
- Henry Kelf Design Ltd. - Great Yarmouth
- Henry Parkin Partnership - Grimsby
- Henry Quek Associates - Birmingham
- Henry Riley - Cambridge
- Henry Riley (Cambridge) Cdm Ltd. - Cambridge
- Henry Uk Ltd - Goole
- Hepley Designs Ltd - Stockport
- Herald Engineering Ltd. - Reading
- Herbert M Slater (1853) Ltd. - Sheffield
- Herebourne Ltd. - Chester
- Hereford Prime Direct Ltd. - Stranraer
- Heritage Concern Ltd. - Newark
- Heritage Draughting Ltd. - Sutton Coldfield
- Heritage Event Ltd - Ashford
- Heritage Practice - Bristol
- Herm Seaway Marine Ltd. - Guernsey
- Heron Designs Ltd. - Brierley Hill
- Heronbrook Ltd. - Horsham
- Heronlee Ltd - Penarth
- Herrington & Associates - Birmingham
- Hersey & Partners - Ruislip
- Hesselberg Hydro (1991) Ltd. - Folkestone
- Hetreed Ross - Bath
- Hewerton Jenkinson Partnership - Stockton on Tees
- Hewitson Design Services Ltd - Harrow
- Hewmor Products Ltd. - Wolverhampton
- Hexell Wylie - London
- Hextalls Chartered Surveyors - Bath
- Heybury Walker Associates - Oldham
- Heyes - Liverpool
- Heynes - Eastbourne
- Heywood and Partners - London
- Hgp Architects Ltd. - Fareham
- Hhbr Ltd. - London
- Hi-Lift Hydraulics Ltd. - Motherwell
- Hi-Res - London
- Hi-Tec (Production Engineers) Ltd - Sheffield
- Hi-Tech Edm Services - Coventry
- Hi-Tech Machining Ltd - Halesowen
- Hibbs & Walsh Associates - Saffron Walden
- Hickling-Gray Associates - Beverley
- Hicks Titley Partnership Ltd - Bridgend
- Hiddleston & Feist - Dundee
- Higgins Engineering - Magherafelt
- Higgs Young Architects Ltd - London
- High Lee Engineering Co. Ltd. - Rochdale
- High Peak Architects - High Peak
- High Tor Engineering Ltd. - Matlock
- High-Point Rendel Ltd. - London
- High-Tech Engineering - Dunstable
- Highbell Ltd. - Wokingham
- Highbury Design & Development Ltd. - Studley
- Highfield (Design) Ltd. - Cockermouth
- Highfield Engineering - Hitchin
- Highland Engineering Services (U K) Ltd. - Widnes
- Highlands Properties Ltd - Southend on Sea
- Highline Wireform Ltd - Mansfield
- Highpeak Design Ltd. - High Peak
- Highway Construction Services Ltd - Stockton on Tees
- Highway Marine Service Centre - Sandwich
- Highwood Machinery - Bath
- Highworth Designs Ltd. - Cambridge
- Hilbre Engineering Design Services - Wirral
- Hiley Keith Associates - Kingston upon Thames
- Hill & Webster (Handling) Ltd. - Ashbourne
- Hill Lawrence Ltd. - Leeds
- Hill Woolhouse Ltd. - Leeds
- Hillbrook Engineering Ltd - London
- Hillcliffe Homes Ltd. - Wigan
- Hillcrest Surveys Ltd. - Bournemouth
- Hillier & Sons Ltd. - Hemel Hempstead
- Hillman Design Ltd - Carshalton
- Hills Contractors Ltd. - Wednesbury
- Hills Engineering Ltd. - Walsall
- Hills Welding & Fabrication - Hull
- Hillstreet Construction - Solihull
- Hilltop Engineering - Sheffield
- Hilson Moran Partnership - Manchester
- Hilson Moran Partnership Ltd - London
- Hilson Moran Partnership Ltd. - Farnborough
- Hilti (Gt Britain) Ltd. - Liverpool
- Hilti (Gt.Britain) Ltd - Manchester
- Hilton Consultancy Planning & Construction Management Ltd. - Dukinfield
- Hilton Croft Ltd - Crawley
- Hilton Jolley Partnership - Warrington
- Hinchcliffes Estate Agents - Barnsley
- Hindwood Hunter Payne - London
- Hing & Jones Ltd - Birmingham
- Hinsley and Co - Ely
- Hinson Parry & Co. - Newcastle
- Hinson Parry & Co. - Stafford
- Hinton Cook - Milton Keynes
- Hinton Newport - Swindon
- Hipkin Sims Sanderson Partnership - Melton Mowbray
- Hirepower Ltd - Bristol
- Hirons Morgan & Yapp - Cardiff
- Hitch Architects - Sevenoaks
- Hitchcock Wright & Partners - Liverpool
- Hitech Precision Engineering - Nottingham
- Hitek Consultants Ltd. - Iver
- Hitreal Ltd - Stockton on Tees
- Hives Architects - Reading
- Hives Associates Ltd. - Oakham
- Hives Partnership - Leighton Buzzard
- Hks Architects Ltd. - London
- Hlmad Ltd - Sheffield
- Hlw International Ltd - London
- Hmdw Architects Ltd. - Chichester
- Hoare Lea & Partners - Manchester
- Hoare Lea & Partners - Cardiff
- Hoare Lea and Partners - Manchester
- Hobart Harris & Associates - Mitcham
- Hobart Paving Co. Ltd. - South Croydon
- Hobbs Mike - Aberdeen
- Hobley Nesbit Partnership - Luton
- Hobson Brian Associates - Cheadle (Cheshire)
- Hobson Williams Partnership - Addlestone
- Hochtief (Uk) Construction Ltd. - Swindon
- Hockenhulls Chartered Surveyors - Chester
- Hockley & Dawson - Cranleigh
- Hockleys Professional Ltd. - Peterborough
- Hockleys Surveyors - Norwich
- Hoctecs Ltd. - Warminster
- Hoddell Associates Ltd - Clevedon
- Hoddesdon Tool & Engineering Co. Ltd. - Hoddesdon
- Hodge Contractors Ltd. - Warrington
- Hodgins Smith & Partnership - Prestwick
- Hodgins Smith & Partnership - Glasgow
- Hodgson Elkington & Co. - Lincoln
- Hodgson Lunn & Co - Cranleigh
- Hodkinson Mallinson Ltd - Chester
- Hogarth Architects Ltd. - London
- Hogarth Engineering Ltd. - Bedford
- Hogben & Hale - London
- Hok International Ltd. - London
- Holbar Engineering (Stansted) Ltd. - Bishops Stortford
- Holborow & Ormesher - Knutsford
- Holbrook Engineering - Crawley
- Holbrow Brookes L L P - Birmingham
- Hold Engineering Ltd. - Seascale
- Holdcroft Energy Services Ltd. - Stafford
- Holden & Lee (Quantity Surveyors) - Blackpool
- Holden & Partners - London
- Holder Mathias Architects - London
- Holder Mathias Architects Ltd. - Cardiff
- Holder Mathias Architects Ltd. - London
- Holdsworth Design Practice - Leeds
- Holemoor Engineering Ltd. - Dudley
- Holequest Ltd - Galashiels
- Holford Engineering Ltd. - St Neots
- Holland and Harrison Ltd - Watford
- Holland Neil - Arundel
- Holledge Commercial - Bromley
- Holliday - Carlisle
- Hollington Architect & Design Team - Bournemouth
- Hollingworth Associates - London
- Hollins Planning Ltd - London
- Hollis Hockley - Farnborough
- Holloway Foo Associates Ltd. - Birmingham
- Holloway Iliffe & Mitchell - Portsmouth
- Holly Products - Chorley
- Hollywell Services Ltd. - Great Yarmouth
- Holm Valley Fire Protection Engineers - Huddersfield
- Holman Design - Doncaster
- Holmebrook Design Services Ltd - Chesterfield
- Holmes Antill - Loughborough
- Holmes Design Services Ltd - Portsmouth
- Holmes Engineering - Milton Keynes
- Holmes Partnership - Glasgow
- Holmic Associates Ltd. - St Neots
- Holmwood Technical Services Ltd. - Buckingham
- Holsbury Ltd - Billericay
- Holt Walters - Reading
- Holtey Classic Hand Planes - Lairg
- Holystone Contracts Ltd. - Wallsend
- Homa Design Ltd. - Colchester
- Home Counties Design - Sutton
- Home Plan Design Services - Swindon
- Homeason Engineering - Sunderland
- Hone-All Precision Ltd - Leighton Buzzard
- Honeybourne M - Birkenhead
- Honeyman Jack & Robertson - Glasgow
- Hood Graham (Holdings) Ltd. - Edinburgh
- Hook Developments 2000 - Burnley
- Hook Mason Ltd. - Hereford
- Hooley Tratt Partnership Ltd - Sheffield
- Hooper & Jackson - London
- Hoopers - Ipswich
- Hopkins Architects Ltd. - London
- Hopkins Coats Associates - Newcastle
- Hopkinson Civil Engineering Ltd. - Oldham
- Hopkinson Engineering Consultants Ltd - Amersham
- Hopkinson Engineering Ltd - Cleckheaton
- Hopton Marriott Hillier Ltd. - London
- Hopwood & Swallow Chartered Architects - Totnes
- Hopwood Swallow Associates - Totnes
- Horace John Forse & Co. - Cardiff
- Horgan Homes & Developments Ltd. - Dudley
- Horizon for Consulting Engineers & Management Ltd - London
- Horley Digital Data Systems Ltd. - Horley
- Hornsey Metal Works - London
- Horsley-Townsend Architects (Wetherby) Ltd - Wetherby
- Horton & Armitage Ltd. - Pudsey
- Horton Light Engineering - Runcorn
- Hoselines Uk - Salford
- Hosker Moore Kent Melia Ltd. - London
- Hot Architecture Ltd. - Northwich
- Hough Gould - Bromsgrove
- Houghton Greenlees and Associates Ltd - Clevedon
- Houghton Plc - Redcar
- Hourtime Ltd - Stroud
- Housemetro Ltd - Prestwick
- Housing Survey Company - Telford
- Houston Lawrence - London
- Houston Lawrence - London
- Hovington Ltd - Rochdale
- Howard & Seddon - Sale
- Howard Associates Architects Ltd. - Lancaster
- Howard David Associates Llp - Kettering
- Howard Doolan Associates Ltd. - Cardiff
- Howard Fairbairn & Partners - Chester
- Howard Fairbarin & Partners - Edgware
- Howard Johnston - Sale
- Howard Quinn Associates Ltd. - York
- Howard Ruse - Ashford
- Howard Ruse Associates Ltd. - London
- Howard Sharp & Parnters - Sevenoaks
- Howard Shreeve & Turnbull - Blandford Forum
- Howard Taylor Associates - London
- Howarth Litchfield Partnership Ltd - Durham
- Howarth Timber Engineering Ltd. - Bury St Edmunds
- Howe Partnership - Newcastle upon Tyne
- Howell A James - Carmarthen
- Howell Brooks - London
- Howes Atkinson Partnership - Bourne End
- Howles Engineering Ltd. - Walsall
- Howvale Ltd. - Nottingham
- Hoyle Mill Engineering Ltd - Barnsley
- Hpa Architecture Ltd. - Craigavon
- Hpl Prototypes Ltd. - Coventry
- HSP Consulting - Nottingham
- HTS Special Projects Ltd - Hull
- Hub Architects & Designers Ltd - London
- Hubbard Associates Ltd. - Tadcaster
- Hubbert Halls & Barnes - Witney
- Hubert Carr & Associates - Leatherhead
- Huckle Project Services Ltd - Richmond
- Huddleston Engineering - Newtownards
- Hudson & Straughan - Middlesbrough
- Hudson Architects Ltd. - Norwich
- Hudson Cliff - Blaydon on Tyne
- Hudson Dick & Associates Ltd. - Fareham
- Hudson Featherstone - London
- Hudson Hives Partnership Ltd. - Reading
- Huf U K Ltd. - Willenhall
- Huf U K Ltd. - Tipton
- Huggins & Bromage - Grays
- Huggins & Bromage - Sudbury
- Hugh Phillips - Cardiff
- Hugh Broughton Architects - London
- Hugh Byrd Associates - Birmingham
- Hugh Cross Frics - London
- Hugh Davies Chartered Surveyors - London
- Hugh K Gillies (Construction Engineering Services) Ltd. - Irvine
- Hugh Logan Architects - Douglas
- Hugh Martin Architects Ltd. - Edinburgh
- Hugh R Samuel Ltd. - London
- Hugh Whatley & Co. - Bristol
- Hughes & Crawford Ltd. - Deeside
- Hughes Construction (West Midlands) Ltd. - Tipton
- Hughes Engineering Consultancy Services Ltd. - New Malden
- Hughes Engineering Ltd. - Glasgow
- Hughes Engineering Works - Omagh
- Hughes McMichael Ltd. - Belfast
- Hughes Treacher Partnership - Preston
- Hulme Upright - Manchester
- Hulme Upright - Leek
- Humberts Chartered Surveyors - Grantham
- Hume Technical Services Ltd. - Paisley
- Hunkins M & J - Winchester
- Hunston Engineering Ltd. - Bury St Edmunds
- Hunt Engineering Systems Ltd - Barrow in Furness
- Hunt Planning Services Ltd - Chester
- Hunter & Partners Ltd. - London
- Hunter & Partners South Ltd. - Bognor Regis
- Hunter Associates - Ballymoney
- Hunter G - Newcastle upon Tyne
- Hunter Walker Associates - Edinburgh
- Huntley Cartwright - Caterham
- Hunton Bridge Engineering Co. Ltd. - Harpenden
- Hurd Rolland Partnership - Salford
- Hurd Rolland Partnership - London
- Hurdley Atkins - Worthing
- Hurley Palmer Flatt Ltd. - Purley
- Hurst Warne Ltd. - Leatherhead
- Huskdale Ltd - Warrington
- Hutchinson C R Mechanical & Plumbing Engineers - Worcester Park
- Hutchinson Design Associates Ltd. - Hove
- Hutchinson Studio Ltd. - London
- Hutchinsons Whitlam Associates - Ilkley
- Hutton Engineering (Precision) Ltd. - Bicester
- Huw Griffiths Architects - Swansea
- Huw Thomas Associates - Winchester
- Huxford Design - Buxton
- Hy-Parts Ltd. - Newcastle
- Hyams Qs Ltd. - Ipswich
- Hyatt Christopher - Cardiff
- Hydair Systems - Bath
- Hyde Group Ltd. - Dukinfield
- Hyde Harrington Ltd. - Carlisle
- Hyde Precision Components Ltd. - Manchester
- Hyde Technical Services Ltd - Newton Aycliffe
- Hyder Consulting - Birmingham
- Hydra Engineering Services Ltd - Gloucester
- Hydraguard Ltd - Pickering
- Hydramatics Ltd - Crewe
- Hydraulic and Gas Services Ltd - Stockport
- Hydraulic Engineering Services Ltd - Enniskillen
- Hydraulic Hose & Engineering - Coventry
- Hydraulic Mobile Services (Merseyside) Ltd. - Runcorn
- Hydraulic Solutions (Erith) Ltd. - Erith
- Hydraulic Spares Centre Ltd. - Bolton
- Hydraulic Technical & Preventive Services Ltd. - Milton Keynes
- Hydraulogic - Swindon
- Hydroamp - Swadlincote
- Hydrocarbon Development Services Ltd. - London
- Hydrock Consultants - Northampton
- Hydrotek Environmental Services - Burgess Hill
- Hymas Site Services Ltd - Stockton on Tees
- Hymus Engineering Co. - Maldon
- Hypostyle Architects - Glasgow
- Hypostyle Designs Ltd. - Glasgow
- Hyzed Engineering Ltd. - Caerphilly
- I Cameron Communications Ltd. - Aberdeen
- I Hutcheson Ltd. - Whitchurch
- I P I Systems Ltd. - Walsall
- I & G Engineering Ltd. - Swansea
- I & M Precision Engineering Ltd. - Runcorn
- I & N Communications Ltd. - Worksop
- I A C U K Ltd. - Aberdeen
- I A W Engineering - Blackpool
- I B F Industrial Services Ltd. - Bury
- I B S Technical Services - Herne Bay
- I C B Design & Engineering Ltd. - Skegness
- I Clarke - Rugby
- I D Howitt Ltd. - Wakefield
- I D M Engineering - Rochester
- I G Harmond Associates - Brecon
- I Grocott Ltd. - Congleton
- I H Borland (Contractors) Ltd. - Kilmarnock
- I H A Swindon Ltd. - Swindon
- I H C S Ltd - Nottingham
- I I E S (Northern) Ltd. - Widnes
- I J B Architects - Sheffield
- I J E S Ltd. - Nottingham
- I J L Engineering - Willenhall
- I K A Engineering - Nottingham
- I K Tilbury Designs Ltd. - Basingstoke
- I K Wyatt Building Design Ltd. - Orpington
- I M S Marine Services - Chichester
- I M Will Associates - Glasgow
- I N D Services Ltd. - Huddersfield
- I N E C Engineering Co. Ltd. - London
- I P A Energy Consulting Ltd. - Edinburgh
- I P M - Farnham
- I P O S Trade & Consulting Ltd - Lewes
- I P S Heating & Plumbing Engineers - Melton Mowbray
- I R Robertson - Truro
- I S Design - Pinner
- I T S C Ltd. - London
- I T T Industries - Hoddesdon
- I W Makepeace - High Wycombe
- I Wright & W K Munsey & W P Munsey - Oxford
- I. Hutcheson Ltd - Whitchurch
- I. U. Building Design Ltd - London
- I.B.D.S. Ltd - Poole
- I.G.M. Associates Ltd - Bishops Stortford
- I10 Design Ltd. - Glasgow
- Iain & K A Simpson - Malton
- Iain Wright Associates - Colchester
- Ian Adam-Smith Architects - Petworth
- Ian Brown - Wantage
- Ian Scott - Edinburgh
- Ian & Gary Spencer - Llangefni
- Ian Archer Chartered Architect - London
- Ian Bell & Sons - Horsham
- Ian Belsham Associates Ltd. - Gateshead
- Ian Burke Associates Ltd. - Edinburgh
- Ian C Speirs & Associates Ltd. - Wimborne
- Ian Carnachan - Stirling
- Ian Cutts Associates - Beckenham
- Ian Donoff Chartered Surveyors - London
- Ian Duncan Architects Ltd. - Inverurie
- Ian Finlay Assocaites - London
- Ian Fletcher - Paisley
- Ian Gardner - Newcastle upon Tyne
- Ian Gibson Architecture Ltd. - Kendal
- Ian H Bix - Kings Lynn
- Ian H Leek - Princes Risborough
- Ian Holdsworth Chartered Surveyors - Nottingham
- Ian Hunt Associates Ltd - Manchester
- Ian Hutchinson Electrical Engineers - Glasgow
- Ian Hyman & Co Ltd - London
- Ian Hyman & Co. Ltd. - London
- Ian J Duncan Chartered Architects - Inverurie
- Ian Jones Architectural Services - Brecon
- Ian Jones Associates - Tring
- Ian Judd & Partners - Southampton
- Ian Kendall Associates - Cambridge
- Ian Lowe Ltd. - Barry
- Ian Lydon Associates - Stockport
- Ian M Cook - North Shields
- Ian M Smith & Associates - Maidenhead
- Ian Mackay & Associates - London
- Ian McCallum Consulting Civil & Structural Enginee - Paisley
- Ian McEwen Ltd - Stockport
- Ian McKay & Associates - London
- Ian Newell Steel Fabrications - Newry
- Ian Pawson Ltd. - Barnoldswick
- Ian Pettitt - Bury St Edmunds
- Ian R Stagg - Epsom
- Ian Richie Architect - London
- Ian Riddell Chartered Architect Ltd - Edinburgh
- Ian Ritchie Architects Ltd. - London
- Ian Salisbury Ltd. - Oxford
- Ian Sidlow Associates - Redditch
- Ian Smillie Ltd - Ipswich
- Ian Smith & Associates - Warrington
- Ian White Associates Ltd - Eastbourne
- Ian Williams - London
- Ian Wylie Architects Ltd - London
- Ianlivie.Com - Brierley Hill
- Ibbetts-Unimog - St Neots
- Ibbotson J E - Norwich
- Ibex Engineering Ltd. - Leicester
- Ibis Project Services Ltd - Henley on Thames
- Ice Architects Ltd - London
- Icefox Ltd. - Minehead
- Icel Developments Ltd. - Edgware
- Ichthus Architects Ltd - Lewes
- Icon Architects Ltd - London
- ICS (Industrial and Consumer Supplies) - Newport (Gwent)
- Ideas Project Engineering Ltd. - Penarth
- Idom (Uk) Ltd. - London
- Idp - Glasgow
- Idpartnership Midlands Architects - Coventry
- Idris-Perrineau Town Ltd. - London
- Ift Partnership Ltd. - Coatbridge
- IJF Engineering Ltd - Merthyr Tydfil
- Ikm Consulting Ltd. - Grangemouth
- Ilminster Locksmiths - Ilminster
- Im Cad Design Services Ltd - Kidlington
- IM Engineering - Glasgow
- Image & Imagination Ltd - Stirling
- Imat Ltd - Tamworth
- Imc Worldwide Ltd - London
- Imd & Associates Ltd - Blackburn
- Imd Property Consultants Ltd. - Glasgow
- Immodicus Design Ltd - Hebden Bridge
- Impact Engineering Management Ltd - Solihull
- Impact Precision Manufacturing Ltd. - Wednesbury
- Impress - Sheerness
- Impress Precision Engineering Co. Ltd. - Craigavon
- Improstar Ltd - Northwood
- Improstar Ltd. - Northwood
- In House Building Design Ltd. - Bristol
- In the Garden Ltd - Chesham
- In-Toto Electronic Engineering - London
- IN2 Plastics Ltd - Burnley
- Inature Architecture & Design Ltd - London
- Inc Design Associates Ltd - Brierley Hill
- Incaforce Civil Engineering Ltd. - Rochester
- Incast Consultancy Ltd. - South Petherton
- Indego Architecture & Interior Design - London
- Independent Automobile Consulting Engineers & Assessors - Nottingham
- Independent Chartered Surveyors - London
- Independent Construction Associates - Northampton
- Independent Contracts Ltd - Woking
- Independent Cooperative Engineers Ltd - Glasgow
- Independent Surveys Ltd. - Tonbridge
- Indigo Brain - Warwick
- Indigo Creative Uk Ltd. - Leicester
- Indufil (Uk) - Bilston
- Industrial & Municipal Projects Ltd - Manchester
- Industrial (Motor) Rewinds (Guernsey) - Guernsey
- Industrial Air Power Ltd - Bridgend
- Industrial Drying Systems Ltd. - Grimsby
- Industrial Electronic Support Ltd. - Trowbridge
- Industrial Energy Surveys Ltd. - Gainsborough
- Industrial Hose & Pipe Fittings Ltd. - Birmingham
- Industrial Management Engineering Co. - Rayleigh
- Industrial Process Control Ltd. - Pudsey
- Infinite 3D Ltd - Wirral
- Inflite (Southend) Ltd. - Stansted
- Inflite Engineering Services - Manchester
- Inforange Ltd. - Wembley
- Infrastructure Development & Planning Ltd. - Machynlleth
- Ingenious Designs Ltd - Manchester
- Ingham Fabrication Ltd - Norwich
- Ingleby & Hobson Architects - Beverley
- Inglephase Ltd. - Southampton
- Ingleton Wood Llp - Billericay
- Inglis & Partners - Glasgow
- Inglis Badrashi Ltd - London
- Ingram Evans Care & Co. - Cardiff
- Inhaus Solutions Ltd - Beverley
- Initial Surveys Ltd. - Sheffield
- Inklines Ltd. - Knighton
- INKOMA-Group - Bedford
- Inkspot Construction Ltd. - London
- Inline Engineering - Worcester
- Inman Ltd. - Cockermouth
- Innes England Ltd. - Nottingham
- Innovation Technologies (Ireland) Ltd. - Carrickfergus
- Innovative Design & Engineering Advisory Services Ltd. - Basingstoke
- Inprojex Automotive Ltd - Canterbury
- Inro Turned Parts - London
- Ins Campus Solutions Ltd - Salford
- Inscape Design & Management Ltd. - Warwick
- Inset Architecture & Planning Ltd. - Belfast
- Inset Design & Construction Ltd. - Brackley
- Inside Out Architecture - London
- Insideout Architecture + Interiors Ltd - Pershore
- Insite Planning Ltd - Brighton
- Inspect Ltd. - Hyde
- Inspectioneering Ltd - Darlington
- Inspectorate - Grangemouth
- Inspiration Chartered Architects Ltd - Newbury
- Inspire Consulting Uk Ltd - Windsor
- Inspire Design & Development Ltd. - Chesterfield
- Instant Design Services - Coalville
- Instrucomm Ltd. - Maidstone
- Instrument Design Technology Ltd. - Warrington
- Instrument Services - Warrington
- Intaudiom - Ashbourne
- Intec Design - Telford
- Intec Design Ltd. - Oxted
- Intech-Power Ltd. - Thurso
- Integra Consulting (Engineers) Ltd. - Manchester
- Integrated Broadcast Design Ltd. - Ilkley
- Integrated Building Engineering Services Ltd. - Abergele
- Integrated Design Engineering Associates Ltd. - Runcorn
- Integrated Design Partnership - Glasgow
- Integrated Design Techniques Ltd. - Gateshead
- Integrated Engineering Solutions Ltd. - Southampton
- Intentium Solutions Ltd - Barry
- Inter Arch Uk - London
- Interactive Contracts Ltd - Telford
- Interbulk Group Plc - Glasgow
- Intermach Engineering Ltd - Swindon
- International Contract Engineering Ltd - Douglas
- International Design & Visualisation - London
- International Management Services Ltd - Harrow
- International Safety Council - Brentford
- International Tech Services - Douglas
- Interpretations - London
- Intetech Ltd. - Chester
- Intex Precision Grinders - Hinckley
- Intexa Ltd - Stoke on Trent
- Into Lighting Ltd. - Bordon
- Inverclyde Engineering Services - Greenock
- Inveresk Eningeering - Musselburgh
- Inverse Lighting Design Ltd - London
- Invision Display Services Ltd. - Thames Ditton
- ION Consulting Engineers Ltd - Romsey
- IP Engineering - Yeovil
- Ipa Design Group - London
- Ips Northern Ltd - Stockton on Tees
- Iq Engineers Ltd. - York
- Irelands - Norwich
- Iris Design Services Ltd - Leigh
- Iron Stylings - Sheffield
- Ironside Farrar Ltd. - Edinburgh
- Irpco - Swansea
- Irte Services Ltd. - London
- Irvine Taylor - Lancaster
- Irvine Utilities Ltd. - Staines
- Irvine Young Ltd. - Irvine
- Irwin & Jones - Wimborne
- Ise Consulting Ltd. - London
- Isis Architecture Ltd - Stonehaven
- Isis Surveyors Ltd. - Tadley
- Island Survey Systems Ltd - Ryde
- Isoframe Ltd - Gravesend
- Istec Services Ltd. - Ware
- Itd Consultants - Portsmouth
- Its Services Ltd. - Great Yarmouth
- Itw Ltd. - Rushden
- Ivor D Harrison - Whitstable
- Ivor Hall Associates - London
- Ivor M Murray - Isle of Lewis
- Ivor Russell Partnership - Swansea
- Ivy Ngeow Architects - London
- IYE Ltd - Southend on Sea
- Izzard Morgan Chartered Building Surveyors - Windsor
- J Boyd Construction Ltd. - Newton Abbot
- J Browne Plant Ltd. - Enfield
- J C Francis & Partners Ltd. - London
- J Dockeray - Wigton
- J Dunton Associates Ltd. - Chelmsford
- J Filby Ltd. - Brierley Hill
- J Flint Electrical Contractors Ltd. - St Neots
- J Greenhalgh (Construction Consultancy) Ltd. - Maidenhead
- J Hickinson & Son Ltd. - Larkhall
- J Jennings (Structural) Ltd. - Ormskirk
- J McArdle Contracts Ltd. - Slough
- J S Wright & Co. Investments Ltd. - Birmingham
- J Thompson Solutions Ltd. - Newry
- J Todd Engineering Services Ltd. - Knutsford
- J Turner & Associates Ltd. - Bromsgrove
- J & A Engineering (Derby) Ltd. - Ripley
- J & C Surveys Ltd. - Chelmsford
- J & E Shepherd - Taunton
- J & E Shepherd - Motherwell
- J & E Shepherd - Ayr
- J & E Shepherd Chartered Surveyors (Aberdeen) - Aberdeen
- J & G Architectural & Surveying Services - West Malling
- J & J Architectural & Construction Services Ltd. - Bedford
- J & J Bolchover Architects - Manchester
- J & J Buchan Ltd. - Peterhead
- J & J Renovations Ltd. - Dereham
- J & L Planning Services - Dartford
- J & L Precision Ltd. - Wokingham
- J & M Machining Services Ltd - Scunthorpe
- J & M Stroughair Ltd. - York
- J & S Drilling - Rotherham
- J A B A Architect - Penrith
- J A C & Associates Ltd. - Harrow
- J A Crew & Co. - Chipping Campden
- J A Dempsey Civil Engineering - Sandown
- J A Magnall & Associates - Manchester
- J A Wallace and Associates - Burton on Trent
- J B Langley Associates Ltd. - Shipley
- J B Littlewood Ltd. - Chesterfield
- J B Black Construction Services - Maybole
- J B H & M Daley Ltd. - Doncaster
- J B Hendry Architects - Leatherhead
- J B Laing - Whitley Bay
- J B Pieniazek - London
- J B Precision Systems - Horsham
- J B Riney & Co. Ltd. - London
- J B S Poyser (Mansfield) Ltd. - Mansfield
- J B Surveys - Hampton
- J Banks & Co. Ltd. - Tipton
- J Bateman Engineering - Penrith
- J Bayliss & Sons - Coventry
- J Bell - Durham
- J Breheny Contracts - Huntingdon
- J Burgess & Associates Ltd. - Poole
- J C Plant Hire Ltd. - Rotherham
- J C Print Engineers Ltd. - Leeds
- J C A Developments Ltd - Londonderry
- J C Adams (Architectural Services) Ltd. - Newark
- J C E (Aberdeen) Ltd. - Aberdeen
- J C Engineering Services - Bolton
- J C Heatcare - Torquay
- J C Services - Plymouth
- J Charles & Associates - Winsford
- J Chenery Ltd. - Dorking
- J Cook (Consultancy) - Morpeth
- J D Bird Drawing Services Ltd. - Reading
- J D Building Plans - Waltham Cross
- J D C (Lincs) Ltd. - Brigg
- J D C Consulting Ltd. - Wrexham
- J D Excavations Ltd. - Hinckley
- J D Locksmiths - Uxbridge
- J D Services (G B) Ltd. - Wells
- J D Tomlinson - Warrington
- J E D Design (Architectural Services) Ltd. - Market Harborough
- J E Evans & Associates - London
- J E Evans Associates - London
- J E Snell - London
- J Edwards Mechanical Enterprises - Shrewsbury
- J Ellis - Rugeley
- J F Brown Surveys - Leicester
- J F Hinchliffe & Partners - Leeds
- J Fadian - Airdrie
- J G Hatcliffe Associates Ltd. - York
- J G Fowler - Totnes
- J G Seeley - Craigavon
- J Grigson (Technical Services) Ltd. - Oldham
- J H Norris - Sheerness
- J H Walter - Lincoln
- J H Langtry-Langton Partners - Bradford
- J H McKinney & Sons - Ballymena
- J H Potts Motor Engineer - Wilmslow
- J H Thraves & Son - Newport
- J Hammond - Bodmin
- J Hopkins (Contractors) Ltd. - Manchester
- J Hosier Locksmith - Romford
- J J Mullins (Civil Engineering) Ltd. - Bolton
- J J Consultants (Civil Engineering) Ltd - Ely
- J J Matthews - Sherborne
- J J Stevens & Sons - Orpington
- J Johnstone (Engineering) Ltd - Silloth
- J K Fabrications Ltd. - Newry
- J K Controls Ltd. - Southampton
- J K M Associates - Cambridge
- J L Ward (Tem) Ltd. - Telford
- J L Newman & Associates - Grays
- J Lynam - Newry
- J M Consultancy Services Ltd - Banchory
- J M Rush & Co. Ltd. - Pinner
- J M Architects - Glasgow
- J M Architects (Group) Ltd - Manchester
- J M B Associates - Brecon
- J M E Civils - Corby
- J M G Engineering - Sutton Coldfield
- J M J Oldfield Design Ltd. - Bakewell
- J M K Consulting Engineers Ltd - West Molesey
- J M Lane Engineering - Wisbech
- J M Loades & Associates Ltd - Bexhill on Sea
- J M McDonald & Associates - Keith
- J M R Engineering Services Ltd. - Altrincham
- J M S Building Services Ltd. - Fleet
- J M Storey & Partners L L P - Banbury
- J M Witherick - Ripon
- J Mallalue Consultancy - Frodsham
- J Marston Engineers - Pudsey
- J Martin Wilson Associates - Glasgow
- J McKeown Architects - Belfast
- J N D Kerr Contractors - Selkirk
- J N G Mechanical Services - Newry
- J N P Group - Sheffield
- J N P Northern L L P - Brighouse
- J Needham Air Conditioning - Birchington
- J O Peel & Associates - Aberystwyth
- J Orchard Consulting Ltd. - Cheltenham
- J P (Engineering Co) - Corsham
- J P Designs - Gillingham
- J P K Design Ltd - Newcastle
- J P P Design Services Ltd. - Hyde
- J P P Consulting - Northampton
- J P R Ltd - Swindon
- J P Security - Beverley
- J P Services Ltd. - Eastleigh
- J P T Design Ltd - Chippenham
- J Powney Services Ltd. - Leicester
- J Proctor - Derby
- J R England Engineering Services Co. Ltd. - Cleckheaton
- J R Queenan Partnership Ltd. - Paisley
- J R B Designs Ltd. - Barnsley
- J R B Merriman - Waterlooville
- J R C Engineering - Maidenhead
- J R C Mechanical Services Ltd. - Ilminster
- J R Davis Associates - London
- J S A Environmental Ltd - Twickenham
- J S Allan Architect - Llanfairfechan
- J S Associates - Bishops Stortford
- J S B C Ltd - Nottingham
- J S C Engineering Ltd. - Dungannon
- J S Cabinet Makers - Berkhamsted
- J S Design Associates - Chorley
- J S Design Partnership - Shipley
- J S Design Services Ltd. - Norwich
- J S G Consultancy Ltd. - Market Harborough
- J S Technology Ltd - Stevenston
- J S Thynne Partnership - Edinburgh
- J Simon Davies Ltd. - London
- J Smith Architect - Derby
- J T A Management Ltd. - Bromsgrove
- J T A Consulting - Banstead
- J T Engineering - Dundee
- J T Interestate Ltd. - Reigate
- J T L Well Engineering Ltd. - Aberdeen
- J T McCauley - Londonderry
- J T R Controls Ltd. - Bury
- J T T Contracting Ltd. - Exeter
- J V A - Shildon
- J V Carroll - Aberdeen
- J V Fabrication & Engineering - Nottingham
- J V Roberts Ltd - Shrewsbury
- J W K Machining Services - Willenhall
- J W Meek - London
- J W Perkins & Associates - Horley
- J W Precision & General Engineering Ltd. - Pontypridd
- J W S Engineering & Maintenance Ltd - Bury
- J W Tooling Ltd. - Southampton
- J Wallace Walton Chartered Surveyors - Middlesbrough
- J Walmsley - Huddersfield
- J Wood Design - Birmingham
- J Y M Partnership - Preston
- J. Coote Engineers Ltd - Cleckheaton
- J. G. Hudson Design Services Ltd. - Wolverhampton
- J. O'C & Associates Ltd. - Barrow in Furness
- J.F. McFarlane Ltd - Glasgow
- J.L Design - Ballymena
- J.P. Productions (Custom) Ltd - South Molton
- J.R.B. Consultancy & Design Services Ltd - Cambridge
- J.Wynne Design & Property Development (Uk) Ltd - Leeds
- Ja Commercial Services Ltd. - Haywards Heath
- JA Derry and Associates - Oakham
- Jaba Architect Ltd - Penrith
- Jable Ltd - Accrington
- Jack Thomas Doughty - Upminster
- Jack Walsh Ltd. - Burnley
- Jackmark Ltd. - Maryport
- Jackson & Adams - Woodford Green
- Jackson & Peplow Ltd - Wolverhampton
- Jackson Architecture & Surveying - Harrow
- Jackson C - Kings Lynn
- Jackson Christopher Barrie - Kings Lynn
- Jackson Consultants - Chesterfield
- Jackson Coulson Partnership - Leeds
- Jackson Criss - London
- Jackson Design Associates Ltd. - Newark
- Jackson Engineering Associates Ltd - Godalming
- Jacob Blacker Architects - London
- Jacobs Les Ltd. - Penrith
- Jacobsen French - Glasgow
- Jade Engineering (Coventry) Ltd. - Coventry
- Jade Graphics Ltd - Liverpool
- Jaf Design - Cannock
- Jafco Tools Ltd. - Wednesbury
- Jaffa Locksmiths - Ruislip
- Jaffet Structural Consultants - London
- Jagjit Singh Chana - Slough
- Jahangir Arji Ltd - Warrington
- Jallopa Ltd - Glasgow
- Jallopa Ltd. - Glasgow
- Jalp Ltd - Cambridge
- Jam C - Leamington Spa
- Jam Studio Ltd - Bristol
- James Torr - Gerrards Cross
- James & Nicholas Llp - Port Talbot
- James & Sons - Poole
- James A Oldroyd - Liversedge
- James Aldridge Chartered Surveyors - Colchester
- James Aldridge Chartered Surveyors - Lowestoft
- James Arthur Tuttle - Marlborough
- James Banks (Survey) Ltd - Penrith
- James Barr Ltd. - Glasgow
- James Boardman & Partners Ltd. - London
- James Boatman Chartered Surveyors - London
- James Boatman Chartered Surveyors - London
- James Bufton & Co. - Godalming
- James C Seath - Dundee
- James C Harbord - Cirencester
- James Callaghan Sons & Co. Ltd. - Manchester
- James Camden Engineering Ltd. - Warwick
- James Campbell Associates Ltd. - Rochdale
- James Carr Engineering Services Ltd. - Sheffield
- James Carter & Alan Barker Partnership - Blackwood
- James Clark & Co - Stafford
- James Crosbie Associates Ltd. - Manchester
- James Dale Ltd. - Horsham
- James Denholm Partnership Architects - Crieff
- James Dolan Architects - Belvedere
- James Ellis Architects - Chesham
- James Flynn - Walton on Thames
- James Flynn Surveyors & Valuers Ltd - London
- James Flynn Surveyors & Valuers Ltd - Esher
- James G Ironside Ltd - Turriff
- James Gill Fastenings Ltd. - Washington
- James Gorst Architects Ltd. - London
- James Hammond Architects - Banchory
- James Hartley & Son - Skipton
- James Jenkins Thomas Partnership - Aberystwyth
- James Lambert Architects - London
- James Lee Engineering - Truro
- James Lewis & Co - London
- James Lindsay & Co Ltd - Holywell
- James Lunn-Rockcliffe Architect - Winchester
- James Macgregor & Associates - Stonehaven
- James Martin Partnership - Brighton
- James Oliver - Chester
- James Partnership - Cardiff
- James Paul Associates - Dundee
- James Phillips - Downpatrick
- James Quantity Surveying Ltd - Wigan
- James Quinn Associates Ltd - Liverpool
- James Ramsay (Glasgow) Ltd. - Glasgow
- James Richard Partnership Ltd. - Huddersfield
- James Robertson Architect - Edinburgh
- James Roy Associates Ltd. - Aberdeen
- James Rylance Ltd. - Runcorn
- James S Dey - Bexleyheath
- James Sammon & Co. - Londonderry
- James Sammon & Co. Ltd. - Londonderry
- James Styles & Whitlock - Alcester
- James T o'Neill - Londonderry
- James Thorp & Partners - Leeds
- James W Bunce & Co. Ltd. - Sittingbourne
- James W Harper - Portsmouth
- Jamestan Engineering Ltd - Bideford
- Jamieson Associates - Hereford
- Jampel Davison & Bell Ltd. - London
- Jan Brooke Environmental Consultant Ltd. - Peterborough
- Jan Lewkowicz Associates - Stirling
- Jane Darbyshire & David Kendall Ltd - Newcastle upon Tyne
- Janus Building Design Ltd. - Bradford
- Janus Engineering - Boston
- Jardonich Engineering Ltd. - Bradford
- Jarman & Co - London
- Jarratec Ltd. - Letchworth
- Jarvis Pressure Pointing & Grouting Ltd - Caernarfon
- Jasmount Ltd - Barrow in Furness
- Jason Jones Uk Ltd. - Rochdale
- Jasper Gilbert Ltd. - Cradley Heath
- Jay's Engineering Ltd. - Chelmsford
- Jaycee Engineering - Corby
- Jaylec Technical Services Ltd. - Chesterfield
- Jaymek Engineering Ltd. - Brigg
- Jayteecee Ltd. - Brackley
- Jaywise Ltd. - Wigan
- Jc Engineering Design & Draughting - Billingshurst
- JD Mills Engineering - Ashford
- Jdwcqs Ltd - Hyde
- JEB Precision Ltd - Northwich
- Jeff Cooper Controls Ltd - Rotherham
- Jeff Wilson W - Coleraine
- Jefferson Air Photography - Chester
- Jefferson Sheard Architects (U K) Ltd - Edinburgh
- Jefferson Sheard Architects (UK) Ltd - Sheffield
- Jeffrey & Rigg Ltd - Windermere
- Jeffrey G Goodchild - Oldham
- Jeffrey Powell Associates - Aylesbury
- Jeflock Ltd - Bristol
- Jem Associates (U K) Ltd. - Milton Keynes
- Jem Management Services - Scunthorpe
- Jem Precision Engineering Ltd. - Taunton
- Jem Structural Engineers - Kettering
- Jenkins & Marr - Aberdeen
- Jenkins & Potter - Edinburgh
- Jenkins & Potter - Bristol
- Jenkins & Potter - Plymouth
- Jenkins Graves (Crawley) Ltd. - Crawley
- Jenks & Co. Ltd. - Royston
- Jenrole Ltd - Stockton on Tees
- Jensen Tyrrell - London
- Jenson Engineering Ltd. - Hitchin
- Jeremy Bell & Kelvin Sampson Architects Ltd - Thame
- Jeremy Benn Associates - South Queensferry
- Jeremy Gardner - Edinburgh
- Jeremy Gardner Associates Belfast Ltd. - London
- Jeremy Hansen - London
- Jeremy Moore Associates Ltd. - Cheltenham
- Jerry Harvey - Penzance
- Jerry Tate Architects - London
- Jesste Ltd - Pontefract
- Jestyn Coke - Blandford Forum
- Jetrick Ltd. - Staines
- Jetwin Precision Engineering Ltd. - Maidenhead
- Jewitt Arschavir & Wilkie Ltd. - Glasgow
- JFC Engineering - Manchester
- Jfd Construction Ltd - Leeds
- Jgx Designs Ltd - Chelmsford
- Jhp Design Ltd. - London
- Jig Architectural Consultants - Mold
- Jim Barrack Consulting - Beaconsfield
- Jim Davies Civil Engineering Ltd. - Blackwood
- Jim Day C N C - Sudbury
- Jim Garland Architects Ltd. - Emsworth
- Jim Kennedy Consulting Ltd. - Rotherham
- Jim Mathews - Matlock
- Jim Mochrie Architects - Glasgow
- Jim Morrison - Belfast
- Jim Sharp - North Berwick
- Jinty Ltd. - Bicester
- Jixanto Ltd. - Aberdeen
- JJ Engineering (Birmingham) Ltd - Birmingham
- Jkw Design Ltd - London
- JLC Groundworks Ltd. - Preston
- Jlm Architecture Ltd. - Harpenden
- Jma Consulting Ltd. - Leeds
- Jmarchitects Ltd - Manchester
- Jmarchitects Ltd. - London
- JMG Engineering Ltd - Leicester
- Jms Consulting Engineers - Nuneaton
- Jnd Technologies Ltd - Retford
- JNP Group Ltd. - Amersham
- Joal Engineering - Royston
- Joe Walsh Architects Ltd - Downpatrick
- Joel Michaels Associates Ltd - Ashford
- Johathan & Lee & Co. - Crewe
- John Burley - York
- John Catt - Godalming
- John Chandler - Potters Bar
- John Day - Northampton
- John Elworthy - Brentford
- John Tall - London
- John A Hunter - Coventry
- John Alexander - Winchester
- John Allen Design Associates Ltd. - Ripley
- John Ashton - London
- John Atkins Architect Ltd - Thetford
- John Avon & Co. Ltd. - Pontypridd
- John Barber Consulting Engineer - Stanmore
- John Barker Ltd - Wellingborough
- John Baugh Associates - Braintree
- John Beeston & Associates - Chester
- John Bell Surveyors & Valuers Ltd. - Norwich
- John Beney & Robert Cook - Reading
- John Beresford - Bristol
- John Bishop Partnership - Ingatestone
- John Bishop Property Consultants Ltd. - Ashford
- John Bodger Chartered Architect Ltd. - Penrith
- John Brailsford Consultancy Ltd. - Haverfordwest
- John Browning Engineering - Ongar
- John Browning Engineering - Ongar
- John C Laurie (Hawick) Ltd. - Hawick
- John C Bunyan & Partners - Wellingborough
- John C Goom Ltd - Evesham
- John Chivers Commercial Ltd. - Stafford
- John Coleman Architects - Salisbury
- John Colin Stubbings - Colchester
- John Collinge (Civil Engineering) Ltd - Leamington Spa
- John Conlan - Burnley
- John Cooper Associates (Management) Ltd. - Haslemere
- John Coward Architects Ltd - Grange over Sands
- John Cox Associates - London
- John Cox Technical Services - East Grinstead
- John Crawley & Co - Leeds
- John Crossley - Preston
- John Cunnington Architects - Matlock
- John D Clarke & Partners - Eastbourne
- John D Crawford Ltd. - Montrose
- John D Lynch Partnership - Spalding
- John D Shafee & Co - London
- John Dalkin & Associates - Birmingham
- John Dalkin Associates Architects Ltd - Birmingham
- John Dallimore and Partners - Walton on Thames
- John Dickie Associates - Stamford
- John Dickinson - London
- John Dixon - Leeds
- John Dixon & Associates - Manchester
- John Duncan Ltd. - South Shields
- John E Edwards (Engineering Services) Ltd. - Chislehurst
- John E Foster & Partners - Morden
- John E.A Deacon Architect - London
- John Edwards Associates - Wickford
- John Evennett Associates - Fakenham
- John F Dunkling Ltd. - Peterborough
- John F Evans Partnership - Gloucester
- John Fairclough Engineering Services Ltd. - Sturminster Newton
- John Farr - Hereford
- John Floydd & Associates - Ashford
- John Foord & Co - London
- John G Hills - Leyburn
- John Gibson Projects Ltd. - Middlesbrough
- John Gordon Consultancy Ltd. - Fleet
- John Graham Associates - Alton
- John Grants Associates - Romsey
- John Griffiths Gauge & Tool Ltd. - Birmingham
- John H Thomson - Dumfries
- John Hall Engineering Ltd. - Bridlington
- John Harris Consultant Engineers Ltd. - Southampton
- John Harrison - Northwich
- John Hartley Ltd. - Corsham
- John Hill - Sheffield
- John Hodson - Glasgow
- John Hornby Architects - London
- John Huddleston Engineering Gb Ltd. - Blackpool
- John Hunnisett Associates Ltd. - Worthing
- John Jones (Architect) Ltd - Warwick
- John Jones Associates Ltd - Fishguard
- John Kempt Architectural & Building Consultancy Ltd. - Insch
- John Kernaghan & Associates Ltd. - Maidenhead
- John Knaggs (Steel Design Services) Ltd - Bradford
- John Lippitt Chartered Architects - Swindon
- John Lyall Architects Ltd. - London
- John Lynch - Kettering
- John Lynch Engineering - Kettering
- John Lyon Associates Ltd. - Wigton
- John M Bowers (Associates) - Ilford
- John Malone - Hereford
- John Martin and Associates - Northampton
- John Martin Surveyors - Bristol
- John McAslan & Partners Ltd. - London
- John McCall Architects Ltd. - Liverpool
- John McGeady Ltd. - Glasgow
- John McGillivray - Whitley Bay
- John McKeown Quantity Surveyor - Bangor
- John McNicol & Co. (1938) Ltd. - Glasgow
- John Meredith - London
- John Miles & Co. (Investment Surveyors) Ltd. - London
- John Mill Associates - Bath
- John Moore Electronics Consultancy Ltd - Cardiff
- John N Holt - Bury
- John Needham Associates - Ludlow
- John Newbery Architects - Leicester
- John Newson & Co - Billingshurst
- John Nicol Jarvie Partnership - Dunblane
- John Niven - Bishop Auckland
- John Nolan Associates Ltd - Birmingham
- John Nolan Surveyors Ltd - Cirencester
- John O'Flynn Developments Ltd. - Swindon
- John Ogle - Saffron Walden
- John Outram Associates - London
- John Pallister - Clitheroe
- John Pallister Ltd. - Clitheroe
- John Paul House Design Ltd - Pickering
- John Pawson - London
- John Peach Ltd. - Cullompton
- John Peacock Precision Engineering - Reading
- John Peberdy Partnership Ltd. - Market Rasen
- John Pelling & Partners - Barnet
- John Perrin - Hayling Island
- John Pidgeon Partnership - Shifnal
- John Potter Architect - Newcastle upon Tyne
- John Putman - Bungay
- John R Bradley Ltd. - Wakefield
- John R Miles - Llangollen
- John R Harris - London
- John Raymond Welch - Enfield
- John Reilly (Civil Engineering) Ltd. - Chorley
- John Rippin Associates - Billingshurst
- John Roberts Associates Design & Planning Consultants Ltd. - Lincoln
- John Robertson Architects Ltd. - London
- John Robertson Mechanical Construction Ltd. - Dunbar
- John Robinson Associates Ltd. - Fakenham
- John Russell Partnership Ltd. - Coatbridge
- John S Angus Associates - Hamilton
- John S W Locke - Southampton
- John Sharp Design Ltd. - Cheltenham
- John Sime Partnership - Wickford
- John Simpson Associates - Haslemere
- John Stark & Crickmay Partnership Ltd - Dorchester
- John Stebbing Architect Ltd - Bury St Edmunds
- John Sutcliffe Associates Ltd. - Liverpool
- John Taylor & Co - Carlisle
- John Tew - Northampton
- John Tod Associates - Musselburgh
- John Tomkinson Engineering Ltd. - Leek
- John Tritschler Associates Ltd. - Wetherby
- John Truslove - Redditch
- John Turner (Engineering Consultants) Ltd. - Dunstable
- John Vincent Surveys Ltd. - Swansea
- John Westall Ltd. - Altrincham
- John Whiteman - Nottingham
- John Wickham - Maldon
- John Williamson Architects - Belfast
- John Wilson & Sons Engineering - Wisbech
- John Winter & Associates - London
- John Woods - Sheffield
- Johnathan Barlow Partnership - Woking
- Johnathan Hart Associates Ltd. - Godalming
- Johns Plant Hire - St Austell
- Johns Slater & Haward Ltd. - Ipswich
- Johnson & Naylor - London
- Johnson Bailey & Hayes - Manchester
- Johnson Bros. (Fakenham) Ltd - Fakenham
- Johnson Christophides Mason Tranter Architects Ltd. - London
- Johnson Civil Engineering Ltd - Sheffield
- Johnson Design Partnership Ltd - Bridgnorth
- Johnson Fellows - Birmingham
- Johnson Freeman - Croydon
- Johnson Hall & Co. Ltd. - Swansea
- Johnson Heating Liverpool Ltd - Liverpool
- Johnson Porter Industrial Services Ltd - Stourbridge
- Johnson Waud - London
- Johnsons Chartered Surveyors - Evesham
- Johnsons Surveyors Llp - Evesham
- Johnston & Wright Ltd. - Carlisle
- Johnston Cave Associates Ltd. - Oxford
- Johnston Engineering (Falkirk) Ltd - Larbert
- Johnston Jim & Co Architects - Edinburgh
- Johnston Kidd - Cupar
- Johnston Technology Consultants Ltd - London
- Johnstone Graeme Estate Agents & Chartered Surveyo - Guisborough
- Joiner Cummings - London
- Joinpoint Ltd. - Leicester
- Jomar Precision Engineering - Paisley
- Jon Christopher Consultant Surveyors - London
- Jon Watters Project Consuultants Ltd. - Belfast
- Jonathan Chilton - Worcester
- Jonathan Bailey Associates Uk Ltd. - London
- Jonathan Chilton Chartered Surveyors - Worcester
- Jonathan Cook Landscape Architech - London
- Jonathan Forman Architects - Brough
- Jonathan Hendry Architects Ltd - Grimsby
- Jonathan Louth Architects - London
- Jonathan Mayers Services Ltd - Pontypool
- Jonathan Pearson Engineering Ltd - Newark
- Jonathan Rhind Architects Ltd - Barnstaple
- Jonathan Russell Eng Services Ltd. - Maidstone
- Jonathan Woodruff - Woodbridge
- Jonathon Hartley - Stamford
- Jones Engineering Services - Shrewsbury
- Jones Lambell Architecture & Design Ltd. - London
- Jones Lang Lasalle (Scotland) Ltd - Glasgow
- Jones Lang Lasalle (Scotland) Ltd. - Glasgow
- Jones Lang Lasalle (Scotland) Service Company - Glasgow
- Jones T N.E. Co - Darlington
- Joplings - Ripon
- Jordan & Bateman Architects Ltd - London
- Jordan Engineering Ltd. - Gateshead
- Jordan Hayes Ltd. - Chester
- Joroc Ltd. - Surbiton
- Jorren Ltd. - Rotherham
- Joseph & Partners - London
- Joseph Mulheron - Londonderry
- Josty Consulting - Faversham
- Journeyman Design Ltd - Sheffield
- Jp Ashenden - Bath
- Jpn Contractors Ltd. - Bury
- Jpr Asbestos Services Ltd. - Oldham
- Jr Aerospace Consultants Ltd - Hessle
- Jra Moorhouse Planning Ltd - Stockport
- JRB Engineering Ltd - Kings Lynn
- Jspb Architects Ltd - Leeds
- JTM Ltd - Cardiff
- Jubb Consulting Engineers Ltd. - Plymouth
- Judd Product Innovation - Todmorden
- Judith Norris - Wadhurst
- Judith Norris Ltd - Lewes
- Judith Norris Ltd - Cranbrook
- Julia Haensel Architecture + Design Ltd - London
- Julia Sanders Consulting Ltd - Poole
- Julian Adams Ltd - Bedford
- Julian Arendt - London
- Julian Bicknell & Associates - Richmond
- Julian Dyer & Co. - Abergavenny
- Julian Harrap Architects - London
- Julian Harrap Ltd. - London
- Julian M. Bishop - Architect - Ltd - Fishguard
- Julian Owen Associates Ltd. - Nottingham
- Julian Peter & Associates - London
- Julian Wilkins - Worthing
- Julian Wilkins Surveyors Ltd - Hove
- Julien Peter Underdown - Diss
- Jumboflexi Ltd - Basingstoke
- Jumboflexi Ltd. - Basingstoke
- Jump Studios Ltd. - London
- Juno Technology Ltd - Chichester
- Just Surveying Ltd. - Rochdale
- Justin Shingles Ltd. - London
- Justinstyle Ltd. - Burntwood
- Jwa Architects Ltd. - Market Harborough
- Jws Metalworks - Maidstone
- Jz Design Engineering Ltd. - Dinas Powys
- K & W Sales Ltd. - Haywards Heath
- K T (Draughting Services) Ltd. - Ashington
- K & C Engineering - Great Yarmouth
- K & M Automation - Bordon
- K & S Allbones (Civil Engineers) Ltd - Spilsby
- K & S Engineering - Greenford
- K &M Engineering(Shropshire) Ltd. - Shrewsbury
- K A M Consultants Ltd. - Scunthorpe
- K A S Engineering Ltd. - Bristol
- K and H Engineering - Dalkeith
- K B Profiles Ltd. - Bilston
- K C Engineering - Jersey
- K C Humpherson Ltd. - Cannock
- K C P Designs - Watford
- K C Site Services Ltd. - Canterbury
- K D D Engineering Ltd. - Brough
- K D Lloyd & Sons Ltd - Chippenham
- K D Lloyd Ltd. - Chippenham
- K E T Ltd. - Upminster
- K F Shadbolt & Partners Llp - Gateshead
- K G C Ltd. - Stourbridge
- K G Haynes - Wolverhampton
- K Harpham Precision Engineering - March
- K J L (Scotland) Ltd. - Aberdeen
- K J M Engineering Ltd. - Market Rasen
- K J Tait & Associates - Edinburgh
- K J Tait Engineers - Glasgow
- K J Veness - Portsmouth
- K K Consultancy Ltd - Leicester
- K K Engineering - Mitcham
- K K M Architects - London
- K Kerr Agricultural Engineers - Magherafelt
- K L H Architects - Ipswich
- K L Project Consultants - Berkeley
- K M Construction (North Wales) Ltd. - St Asaph
- K M Engineering (Pitmedden) Ltd. - Ellon
- K M L Engineering - Dorchester
- K M M Cooper & Withycombe - Guildford
- K M S Ornamental Ironcraft - Shrewsbury
- K N D Surveys Ltd. - High Wycombe
- K P Brown Associates - Kilmarnock
- K P Engineering Components - Coventry
- K Plcontracts Ltd. - Londonderry
- K R A Designs Ltd - Wolverhampton
- K R Engineering - Leighton Buzzard
- K S K Associates Ltd - London
- K S P Building Design Consultants - Chislehurst
- K S P Consulting - Otley
- K S S Design Group Ltd. - London
- K St. Associates Ltd. - Stafford
- K St. Associates Ltd. - Stafford
- K Sterilizer Validation Advisory Services Ltd. - Guildford
- K V Transfix Ltd. - Driffield
- K W Ltd. - Leatherhead
- K W O Tools (U K ) Ltd. - Tonbridge
- K+c Site Engineering Ltd - Porth
- K. & G. Sutton Contractors Ltd - Milford Haven
- Kaberry Homes Ltd. - Heywood
- Kaile Engineering - Cobham
- Kajima Construction - Wakefield
- Kaler Ltd. - Rochester
- Kallen Engineering - Torquay
- Kallosturin Ltd - London
- Kalsi Associates Ltd. - Reading
- Kalyvides Partnership (Architects - London
- Kamway Engineering Ltd - Edenbridge
- Kan Developments Ltd - Broadstone
- Kanavan & Wingfield - Waterlooville
- Kandor Modelmakers Ltd. - London
- Kane Stephen & Co. - London
- Kane Construction - Nottingham
- Kapsco Ltd. - Widnes
- Karl J Sherry Architectural Services - Newry
- Kavan Davies Architecture - Aylesbury
- Kay Bangham Partnership - Bolton
- Kay Hartmann Architects - London
- Kayan Solutions - Farnham
- Kaymac Marine & Civil Engineering Ltd. - Swansea
- Kba Architects Ltd. - Stafford
- Kean Kennedy & Partners - Edinburgh
- Keane Construction (Midlands) Ltd - Birmingham
- Kearsley Airways (Holdings) Ltd. - London
- Kee Engineering - Liskeard
- Keel (U K) Ltd. - Goole
- Keel Marine Ltd. - Petersfield
- Keeling Surveyors Ltd - Taunton
- Keenan John E - Stoke on Trent
- Keeneager Ltd - Stockton on Tees
- Keenwest Ltd. - Biggleswade
- Kehoe Contractors Ltd. - Leighton Buzzard
- Kehr & Tucker - London
- Keir & Fraser Architects - Glasgow
- Keith Gregory - Kidlington
- Keith & Paul Searle - Lyndhurst
- Keith Barker - Durham
- Keith Bradley Engineering Co. Ltd. - Fareham
- Keith Burley Engineering - Sheffield
- Keith Chandler Ltd - Croydon
- Keith Davidson Partnership - Liverpool
- Keith Day (Western) Ltd. - Cheltenham
- Keith Dellard Associates - London
- Keith Edwards Architect - Elgin
- Keith Farebrother - Chester
- Keith Farquharson - Farnborough
- Keith Garner Ltd. - London
- Keith Horan & Associates - Leek
- Keith James - York
- Keith Jones Associates - Brighton
- Keith Lindley Machining Services - Sheffield
- Keith Palmer Associates Ltd. - West Bromwich
- Keith Plumb - Sittingbourne
- Keith Portsmore Associates - Sevenoaks
- Keith R Hammond Ltd - Ashford
- Keith Scott - Preston
- Keith Snell & Associates - Bures
- Keith Wainwright Architectural Services - Dewsbury
- Keith Williams Architects Ltd. - London
- Kelbec Civils Ltd. - Redditch
- Kellan Developments Ltd. - Evesham
- Kellett Payne Partnership - Glastonbury
- Kellogg Brown & Root Energy Services Ltd. - Leatherhead
- Kellogg Brown & Root Ltd - Aberdeen
- Kelly & Co - Glasgow
- Kelnet - Llandrindod Wells
- Kelso Tool Co - Kelso
- Kelvin Fuel Control Systems Ltd. - Birmingham
- Kelvin Rufus Ltd. - Taunton
- Kember Loudon Williams - Tunbridge Wells
- Kemek Ltd. - Bristol
- Kemp & Co. - London
- Kemp Muir Wealleans Ltd. - London
- Kemsley Whiteley & Ferris - London
- Kemsley Whiteley & Ferris - Basildon
- Kemsley Whiteley & Ferris Ltd. - Chelmsford
- Ken Bruce - Northwich
- Ken Adams Consulting Engineers Ltd. - Truro
- Ken Bowen and Sons - Goodwick
- Ken Cork Engineering - Ashford
- Ken Gale Designs Ltd. - Weymouth
- Ken Judge & Associates Ltd. - Chelmsford
- Ken Neal Building Design Consultant - Newbury
- Ken Rush Associates Ltd. - Braintree
- Kenclad Ltd - Porthmadog
- Kenco Techniques Ltd. - Dunstable
- Kendall Kingscott Ltd. - Bristol
- Kenday Engineering - Ipswich
- Kendrick & Co - Kettering
- Kendrick Associates Group - Oxford
- Kendrill Engineering Ltd - Bromley
- Kendy Engineering - Gloucester
- Keningtons L L P - London
- Kenmach Service Engineers - Chorley
- Kennedy & Co. (Quantity Surveyors) Ltd. - Chislehurst
- Kennedy A & K Electrical Instruments & Mechanical Engineers - Manchester
- Kennedy Design - Rotherham
- Kennedy Design Ltd - Rotherham
- Kennedy Fitzgerald & Associates - Belfast
- Kennedy Grinding Ltd (Colchester) - Colchester
- Kennedy Watts Partnership - Hull
- Kenneth Brown & Partners - Bristol
- Kenneth C Gething - Sutton Coldfield
- Kenneth Girvan - Newtownabbey
- Kenneth Herbert Bosomworth - Ripon
- Kenneth I Payne Chartered Architechs - Leicester
- Kenneth King J - Elgin
- Kenneth Lewis & Associates - Llanfairpwllgwyngyll
- Kenneth Noel Baker - Hull
- Kenneth Peters - London
- Kenneth Reid Architects Ltd. - Edinburgh
- Kenneth W Reed & Associates - Harrow
- Kenny Alexander Architects Ltd. - Stonehaven
- Kensington Gates & Shutters - Bolton
- Kenson Industrial Plastics Ltd. - Cannock
- Kent Design Partnership - Sittingbourne
- Kent Drawing - Gillingham
- Kent Porter Warren - Leicester
- Kent Precision Tooling - Dartford
- Kent Site Investigations Ltd. - Folkestone
- Kentallen Holdings Ltd. - Glasgow
- Kentallen Holdings Ltd. - Glasgow
- Kenworth Garage Ltd. - Dudley
- Kenzo Management Ltd. - Glossop
- Keown Associates Ltd. - Banchory
- Keppie Design Ltd - Edinburgh
- Keppie Design Ltd. - Glasgow
- Kern Environmental Management Ltd - Basingstoke
- Kerr Baxter Associates Ltd - Glasgow
- Kerr Engineering & Fabrication Ltd. - Glasgow
- Kerrison Stock Ltd. - Truro
- Kesteven Engineering Co - Lincoln
- Kestrel Engineering Supplies - Chelmsford
- Kestrel Supplies - Weymouth
- Kettering Community Architects - Kettering
- Kevan Walton Associates Ltd. - Lancaster
- Kevin Blinkhorn Architectural Services Ltd - Manchester
- Kevin Griffiths M B I A T - Tunbridge Wells
- Kevin Hinds Practice - Ware
- Kevin J Turner Associates - Shepperton
- Kevin McClelland Architects Ltd - Portstewart
- Kevin McGahan - Abbots Langley
- Kevin Newson - London
- Kevin Prior Richard - Bicester
- Kevin Sanderson (Quantity Surveyor) Ltd. - Rochdale
- Keymarc Precision - Llanelli
- Keynorth Ltd - Stockton on Tees
- Keys & Monaghan Architects Ltd - Enniskillen
- Keyson Ltd. - Sheffield
- Keystone - Exeter
- Keystone Design Associates Ltd. - Blackpool
- Keysworth Engineering Services - Wareham
- Keyworks - Warrington
- Kh Technology Ltd. - Biggleswade
- Khatru Ltd - Swanley
- Khawaja Planning Services - Bradford
- Kier London Ltd - Loughton
- Kieron Hanson - Wimborne
- Kieth Summers - Newton le Willows
- Killoran Civil Engineering Ltd. - Liverpool
- Kiln Flame Systems Ltd. - High Wycombe
- Kiloh Associates Ltd - Glasgow
- Kilowork Ltd - Salford
- Kilpatrick Agencies - Belfast
- Kim Architectural Services Ltd - Bristol
- Kim David Crellen - Ottery St Mary
- Kimberlite Subsidence & Drainage Investigations Ltd. - Pevensey
- Kincaid & Co - Birmingham
- Kinder & Janes Ltd. - Sale
- King Design (Lincoln) Ltd. - Lincoln
- King Edward Court - Windsor
- King Enterprises Engineering & Hardware Co - London
- King Hedley Partnership - Sherborne
- King Shaw Associates - Bath
- Kingdom Decorators - Hull
- Kingfield Services Ltd - Newcastle upon Tyne
- Kingfisher Consulting - High Peak
- Kingham Knight Associates - Liverpool
- Kingly Partners Llp - London
- Kingpin Consultancy Ltd. - Swanley
- Kingsfield Architects - London
- Kingsley Associates - London
- Kingsley Engineering Services Ltd - Alton
- Kingsleys Ltd. - Banbury
- Kingsmere Construction Ltd. - Manchester
- Kingsnorth Engineering - Ashford
- Kingston Chartered Surveyors - Lichfield
- Kingston Engineering Co (Hull) Ltd - Hull
- Kingston Marine Services Ltd. - Hull
- Kingstone Civil Engineering Ltd. - Stafford
- Kingstons Chartered Surveyors - Guildford
- Kingsway Land Surveyors - Oldham
- Kingswinford Engineering Co. Ltd. - Dudley
- Kingswood Design - Dunstable
- Kington Process Systems Ltd. - Birmingham
- Kinleigh Folkard & Hayward Ltd - London
- Kinney Green - London
- Kinney Green - London
- Kirby & Cove Ltd. - Hertford
- Kirby Development Services Ltd - Walsall
- Kirby G - Penarth
- Kirk 2 Enterprise Ltd - Lichfield
- Kirk Wylam - Farnham
- Kirkby & Diamond - Luton
- Kirkby Jig & Tool Co Ltd - Liverpool
- Kirkby Lindsey Electrical Engineering Ltd. - Hull
- Kirkham Board Associates - Exeter
- Kirkham Sheidow Ltd. - Sudbury
- Kirkintilloch Model Engineering Society - Glasgow
- Kirkman Architects - Altrincham
- Kirkquote Ltd. - Middlesbrough
- Kirtlegrade Ltd. - Romsey
- Kirwan & Fleming - Omagh
- Kitchen Architecture (Contracts) Ltd - Oxford
- Kitec Ltd - Northallerton
- Kitson R & Associates - Wetherby
- Kiwi Products (Dartford) Ltd - Rochester
- Kizar Ltd - Stockport
- Kj Walker Associates - Birmingham
- Kka Ltd. - Liverpool
- Kl Precision Engineering Ltd - Cheltenham
- Kleen Marine - Lowestoft
- Klockwork Ltd. - Gillingham
- Kloud 9 Ltd - Haywards Heath
- KM Duncan - Leven
- Knapp & Son - Cardiff
- Knapp Hicks & Partners Ltd. - Isleworth
- Knight & McDonald Ltd - Thurso
- Knight Engineering Services Ltd. - Chorley
- Knight Engineers Norwich - Norwich
- Knight Freeman Ltd. - Maidstone
- Knott Architects Ltd - London
- Knowle Contractors Ltd. - Holsworthy
- Knowsley Precision Engineering Ltd. - Liverpool
- Knox & Clayton - Lisburn
- Kompas Ltd - Ilford
- Konstrukshon Ltd. - Solihull
- Koo Designer - Liverpool
- Koolmill Systems Ltd - Solihull
- Koski Soloman & Ruthven - London
- Kourosh Design - Southampton
- Koyander Associates - Chesterfield
- KPS Sheetmetal Ltd - Bedford
- Kral Form Ltd. - London
- Kramark Gauge & Tool Ltd. - Coventry
- Krayem Design Ltd. - Tetbury
- KRC Engineering - Addlestone
- Krd Developments Ltd. - Wokingham
- Kriterion Conservation Architects - Londonderry
- Krska Consultancy Services Ltd. - Stonehaven
- Krueger Ltd - New Milton
- Krupa Engineering Ltd. - Bury
- Ksp Building Design Consultants Ltd - Chislehurst
- Ksr (Raz) Ltd - London
- Kta Ltd - Steyning
- Kto Engineering Services Ltd. - Chelmsford
- Kuk Ltd. - Stockbridge
- Kuma Environmental Design Ltd. - Thornton Heath
- Kvaerner Markham Ltd. - Sheffield
- Kwi Grinding Ltd. - Coventry
- Kwik-Key - Bristol
- Kylemore Services Ltd. - Wembley
- Kyson Design Ltd - London
- L M Uzzell Designs (Kenilworth) Ltd. - Kenilworth
- L & M Survey Services - Kilmarnock
- L & M Survey Supplies (Repair & Hire) Ltd - Glasgow
- L & T Precision Engineering - St Albans
- L A Architects Ltd. - Lewes
- L A B Structures Ltd - Hornchurch
- L A Clark Civil Engineering Ltd. - Bristol
- L A P Archictect and Conservation - Penzance
- L B Engineering - Poole
- L B G Waterston - Glasgow
- L B M Surveys Ltd - London
- L Brian King - Redditch
- L Clinton - Newquay
- L D N Architects L L P - Edinburgh
- L D P Architects - Liverpool
- L D Realisations Ltd. - Livingston
- L E D Architects Ltd. - Highbridge
- L F Webb & Partner - Lyme Regis
- L G A Ltd. - Bridgend
- L H J Solutions Ltd. - Millom
- L J & C A Cannings - Wantage
- L J Dennison - Birmingham
- L J Kostic Engineering - Bridgend
- L J Machine Tools Ltd. - Craigavon
- L J Osmond & Associates - Sandhurst
- L J P Building Services - Nottingham
- L J S Architects Ltd. - Lydney
- L M C Engineering Services Ltd. - Rotherham
- L M H (Civil Engineering) Ltd. - Corby
- L M S Ltd. - Sevenoaks
- L M T (Engineering) Ltd - Manchester
- L N Henderson & Associates - Dundee
- L N S Partnership - Hull
- L P Designs Ltd - Newcastle
- L P R Design - Purley
- L R Boon & Sons - March
- L R Management Ltd. - Chesterfield
- L R Rayner & Son - London
- L S Electronics Group Ltd. - Nottingham
- L S G Automotive - Birmingham
- L T Architects - Cardiff
- L W Designs Ltd - Leeds
- L W Form Tools - Poole
- L.S.B - Norwich
- La Maison De Provence - Petworth
- Labella Enterprises Ltd - Norwich
- Labour Hire Martham Ltd. - Great Yarmouth
- Lacayo Wolfe Design - London
- Lachlan J Macdonald Architect - Fraserburgh
- Laidrite Construction Ltd. - Leek
- Laine Engineering (Feltwell) Ltd. - Thetford
- Laing & Co. - Edinburgh
- Laird Alastair - Dunstable
- Lakeland Engine Spares - Enniskillen
- Lam Associates (U K) Ltd. - Leicester
- Lamb Engineering Co. Ltd - Rochford
- Lambert Scott Ltd. - London
- Lambert Smith Hampton - Oxford
- Lambert Smith Hampton - Guildford
- Lambert Smith Hampton - Chelmsford
- Lambert Smith Hampton Group Ltd - Nottingham
- Lambert Smith Hampton Ltd - Bristol
- Lambeth Commutatois - Bath
- Lamerton Engineering Services - Plymouth
- Lammas Associates - London
- Lamond & Murray Ltd. - Inverkeithing
- Lancaster Engineering - Birmingham
- Lancaster Maloney Ltd. - Stockport
- Land & Mineral Survey Services Ltd - Kilmarnock
- Land Clean Ltd. - Petersfield
- Land Jordan Ltd. - Tonbridge
- Landers & Associates (Building & Design) Ltd. - London
- Landmaps Ltd - Kelso
- Landmark Surveys Ltd - Braintree
- Landplan Associates - Peterborough
- Landscape Architects and Garden Designers - Cambridge
- Landslide Engineering Ltd. - Magherafelt
- Lang Daniels Paterson Ltd. - London
- Langley Civil Engineering Ltd. - Fordingbridge
- Langley Hall Associates Ltd. - Reading
- Langmuir Electrical Services - Motherwell
- Langton Associates U K Ltd. - Oldham
- Langton Engineering - Maidenhead
- Langver Ltd. - Thirsk
- Lansdowne Surveys Ltd - Bristol
- Lapford Ltd. - Manchester
- Lapider Ltd - Penarth
- Lapin Peter - Redruth
- Laplace Electrical Ltd. - Glasgow
- Lapstead Ltd. - Hyde
- Laptech Ltd - Aberdeen
- Lapworth Partnership - Birmingham
- Laranstone Ltd. - Bridlington
- Larards Chartered Surveyors - Hull
- Larards Commercial Ltd. - Hull
- Largeglen Ltd - York
- Larkanan - Ongar
- Laser Technology North West Ltd. - Stockport
- Last & Tricker Partnership - Ipswich
- Last Precision Engineering - Ilkeston
- Lateral Technologies & Solutions Ltd. - Bellshill
- Latham Engineers - Stoke on Trent
- Latham Yeomans - London
- Lathope 82 Ltd. - Harlow
- Latitude Architects & Designers Ltd - London
- Launder Steedman Ltd. - Pershore
- Laurence Rae Associates Ltd. - Bristol
- Laurie A Avadis & Co. Ltd - London
- Laurie Reynolds Associates (Uk) Ltd - Redhill
- Laurie Wood Architects - Colchester
- Lavelle Construction - Preston
- Laverty Foster Architects Ltd - Banbridge
- Lavingtons - Richmond
- Lawford Associates Ltd - Epsom
- Lawrence & Wightman - Birmingham
- Lawrence & Wrightson Architects - London
- Lawrence E Regan Associates - Ilford
- Lawrence Mainland Marine Ltd. - Market Rasen
- Lawrence N - High Wycombe
- Lawrence Nardi Ltd. - Basingstoke
- Lawrence Peter J L - London
- Lawrence Walker Ltd. - Rugby
- Lawson Engineering Services Ltd - Middlesbrough
- Lawson Margerison Practice Ltd - Chorley
- Lawson Martin & Partners - London
- Lawton Precision Engineers Ltd. - Egham
- Lawton Prior & Mecklenburgh Ltd. - Watford
- Laxtons - Aberdeen
- Layton Engineering - Royston
- Layzell Engineering - Derby
- Lazenby Tetley Design - Lewes
- Lb Consult & Marine Ltd. - Nottingham
- Lbp Studio - Brighton
- Lc Air Conditioning Services - Bedford
- Le May & Co - Brockenhurst
- Le Pla & Co (Automation) Ltd - Sheffield
- Le Sage Associates - Peterborough
- Lea Cfd Associates Ltd - Buxton
- Lea Hough & Co - Blackburn
- Leach Consultancy Ltd. - Chippenham
- Leach Rhodes Walker - Salford
- Leader Attenborough & Jones - London
- Leadingham Gemson Rogers & Hynd - Dundee
- Leaf Cdm Ltd. - Salford
- Leamore Engineering - Walsall
- Leaver Charles Granger Ltd. - London
- Leckpark Ltd. - Rochdale
- Led Electrical Services Ltd - Leeds
- Lee Anthony Wilson - Hyde
- Lee Architects Ltd. - Wilmslow
- Lee Associates - Chepstow
- Lee Burgess - Derby
- Lee Evans Partnership - Canterbury
- Lee Gear Engineering - Colne
- Lee Terry Associates - Chesterfield
- Lee-Evans De-Moubray - Canterbury
- Leeds Training Services Ltd. - Pudsey
- Lees Associates - London
- Lees Lifting Ltd. - Oldham
- Lees Walker Precision Cutters - Stockport
- Legacy for London Ltd. - Colwyn Bay
- Legacy for London Ltd. - East Grinstead
- Legal & General Surveying Services Ltd. - London
- Legge Associates Ltd - Dalkeith
- Leicester Consultants Ltd. - Leicester
- Leicester G B Tools Ltd. - Leicester
- Leigh Cooper - Darlington
- Leigh Precision Grinding Ltd. - Hayes
- Leighton Goldhill Ltd. - London
- Leighton Johnston Associates - Belfast
- Leighton Scholar - London
- Leisure Engineering - Ivybridge
- Lenton Engineering (Watford) Ltd. - Watford
- Leo Mulkerns Architects Ltd. - Basingstoke
- Leon Peek Associates Ltd. - Waterlooville
- Leonard Manasseh - London
- Leonard Design - London
- Leonard Jinks Architectural Consultant - Abergele
- Leonard Stace Project Managment - Epping
- Lerwick Engineering & Fabrication Ltd. - Shetland
- Les & Co - Lancing
- Les Gooding Design Ltd - Clitheroe
- Leslie Burton Ltd - Chipping Norton
- Leslie Clark - Bristol
- Leslie Clark - London
- Leslie Cudmore Frics - Dover
- Leslie Jones & Partners - London
- Leslie Jones Architects Ltd. - London
- Leslie Keats & Co. Ltd. - Glasgow
- Leslie R D Simmons - Chatham
- Lester Harrison & Partners - London
- Lett + Sweetland Ltd. - Worcester
- Level Seven Ltd. - Brierley Hill
- Leveltrend Ltd. - Wrexham
- Levene Surveyors Ltd. - Teddington
- Levene Surveyors Ltd. - Teddington
- Levinson & Co - London
- Levitt Bernstein Associates Ltd. - London
- Lewandowski Willcox Ltd. - Windsor
- Lewandowski Willcox Ltd. - Windsor
- Lewis & Hickey - Guildford
- Lewis & Hickey - Edinburgh
- Lewis & Hickey Ltd. - Manchester
- Lewis Berkeley - London
- Lewis Berkeley Ltd - London
- Lewis Designs - Feltham
- Lewis Dridge - Emsworth
- Lewis Foster Lewis - Bristol
- Lewis Partnership Ltd. - Llanelli
- Lewis Patten Chartered Architects - Hertford
- Lewis Property Ltd. - Bristol
- Lexel Engineering Ltd. - Wokingham
- Lexicon Surveyors - Cambridge
- Lexicon Systems Ltd - St Albans
- Leymac Engineering Services Ltd. - Liverpool
- Leyrig Ltd - Aberdeen
- Leys Longdon & Co - Witney
- Leytoner De Montfort Ltd - Leicester
- Lhc Safety Management Ltd. - Exeter
- Liani Design Ltd - Sheffield
- Libra Building Services Design Ltd. - Colchester
- Libraco Engineering Services Ltd. - Kidderminster
- Lieske Steven Patrick - Helston
- Life Universe & Everything Computer Co (The) - Cambridge
- Lift Consultancy Services - Caterham
- Lift Services - Oldham
- Lift Services Direct Ltd. - Bexleyheath
- Lift-Rite Engineering Services - Wallsend
- Liftserve (Scotland) - Kilmarnock
- Lightly & Lightly Ltd - York
- Likegate Ltd - Bolton
- Lilburn Contracts - Hillsborough
- Lilliman Engineering Ltd. - Mansfield
- Lilly Lewarne Practice Ltd - Truro
- Lillywhite Ltd - Stroud
- Lime Blue Innovation Ltd. - Slough
- Lime Design - London
- Linchpin Design Ltd - Birmingham
- Lindrick Engineering Ltd - Worksop
- Lindsay Blair - Architect - Orkney
- Line Design - London
- Linefast Ltd - Crawley
- Lines Engineering - Waterlooville
- Lineside Structure Maintenance Ltd - Nottingham
- Liney & Co - Montgomery
- Linganbo Engineering Ltd. - Banff
- Linkbritain Ltd - Middlesbrough
- Linkester Chemical & Supply Co. Ltd. - Macclesfield
- Linkfour Ltd. - Hook
- Linro Engineering Ltd. - Redditch
- Linton-Bogle Ltd - London
- Lionel Gregory Ltd. - Poole
- Lipfriend Dawson & Partners - Bristol
- Lipinski Pates Architects - London
- Lipton & Warrener - Tonbridge
- Lipton Plant Architects Ltd. - London
- Lisa Shell Architects - London
- Lisega Ltd. - Dudley
- List Design Group Ltd - Salisbury
- List Design Ltd - Immingham
- Listavia International Consultants Ltd. - Guildford
- Lite Engineering & Tool Co. Ltd. - Larbert
- Litespeed Ltd. - London
- Littlewood & Co. - Nottingham
- Littman & Robeson Services Ltd - London
- Live Smarter - London
- Living Architects Ltd. - London
- Llanelec Precision Engineering Co Ltd - Neath
- Llewellyn Harker Ltd. - Shepton Mallet
- Llewellyn Humphreys - Carmarthen
- Llewelyn Lewis Sennik Ltd. - Carmarthen
- Lloyd and Jones - Ashton under Lyne
- Lloyd Davies Associates - London
- Lloyd Evans & Co. Ltd. - Swansea
- Lloyd Evans Prichard Ltd. - Manchester
- Lloyd Hadley - Cardigan
- Lloyd Hunt Associates Ltd - Longfield
- Lloyd Marine Ltd - Alresford
- Lloyd Morgan Design Associates Ltd - Grays
- Lloyd, J and Son - Corwen
- Lloyd-Davies Chartered Surveyors - Guildford
- Llwyd Edwards - Cardigan
- Llyn Marine Services - Pwllheli
- Loates-Taylor Shannon - London
- Location Sound - Bristol
- Lochpye Ltd. - Bolton
- Lochwynd Ltd. - Glasgow
- Loci Design - Haverfordwest
- Lock Doctor - Teddington
- Lock Stock & Barrell (Security Services) Ltd. - Stansted
- Locke & England Commercial Ltd. - Derby
- Locked Out - Sutton Coldfield
- Lockley B & J - Tamworth
- Lockley Bower Engineering Ltd - Whitstable
- Locks of London Locksmiths - Beckenham
- Locks on Call - Hounslow
- Locton Ltd. - Bromsgrove
- Lodestar Engineers Ltd. - Sheffield
- Loewy Ltd. - London
- Lofthouse (Cumbria) Ltd. - Wigton
- Loftlock Precision Engineering Ltd. - Reading
- Lofts Ltd. - Coventry
- Logan Associates Ltd. - Radlett
- Logicskill Ltd. - Birmingham
- Logistics Planning Consultants Ltd - Cirencester
- Lol Nicholson Engineering Ltd. - Sheffield
- Lolga Enterprises - Coventry
- Lomond Offshore Services Ltd - Stirling
- Londale Enterprises Ltd. - Newport Pagnell
- London Bridge Associates Ltd. - Gerrards Cross
- London Engineering Co. Ltd. - London
- London Fire Protection Services - Croydon
- London Lofts Ltd - Potters Bar
- London Power Associates Ltd - West Drayton
- London's Georgian Houses Ltd. - London
- Long & Kentish - London
- Long O Donnell Associates Ltd. - Northwich
- Longboat Engineering - Northampton
- Longbridge Tool & Gauge (Redditch) Ltd - Redditch
- Longcross Group Ltd. - Ashtead
- Longfield Instruments Ltd. - Andover
- Longhill Consultants Ltd - Cowes
- Longminster Ltd. - Solihull
- Longprat Design Ltd - London
- Longwood Tooling - Smethwick
- Look Architecture Ltd - Bournemouth
- Loomba & Associates - London
- Loopslant Ltd - Ilkley
- Lorien Design Ltd - Solihull
- Lorien Engineering Solutions Ltd. - Leeds
- Lorimar Ltd. - Aberdeen
- Lorne Brown & Associates - Peebles
- Lorne Stewart - Bristol
- Loughborough Design & Draughting Services Ltd. - Loughborough
- Louis Taylor - Stoke on Trent
- Louise Crossman Ltd - Minehead
- Louith Engineering Co. Ltd. - Watford
- Loveday & Loveday Commercial - Swindon
- Lovejoy Partnership Ltd. - London
- Lovell Ozanne & Partners Ltd - Guernsey
- Lovell Powerminster Ltd. - Sheffield
- Low Carbon Solutions Ltd. - Larne
- Lowe Consultants Ltd - Nantwich
- Lowe Moore Associates Ltd. - Wigan
- Lowes Electrical Co - Lincoln
- Lowland Marine Services Ltd - Driffield
- Lowton Engineering - Warrington
- Lowton Engineers Ltd - Middlesbrough
- Loxbrook Engineering Ltd. - Swadlincote
- Lpd Design Services Ltd. - Aldershot
- Lpw Group Ltd. - Hornchurch
- Ls Consulting (Wales) Ltd. - Port Talbot
- Ls Gas Services - Leicester
- Lucas Hickman Smith Ltd. - Wymondham
- Lucas Land & Planning - Northampton
- Lucentco Ltd. - Biggleswade
- Lucking & Clark Llp - London
- Lumberjack - Alton
- Lund Engineering Co. Ltd. - Nelson
- Lunn Engineering - Atherstone
- Lunson Mitchenall Holdings Ltd. - London
- Lusted Consulting Ltd. - Tonbridge
- Luxmoore Photography - London
- Lydiatt Design Ltd. - York
- Lygate & Partners Consulting Surveyors - Glasgow
- Lymington Design Associates Ltd. - Lymington
- Lynch Architects Ltd - Tonbridge
- Lynes - Edinburgh
- Lynwood Associates Ltd - Newmarket
- Lyons & Sleeman & Hoare - Hook
- Lyteze Products Ltd. - Colchester
- Lytton Ltd. - Coventry
- M & P A Dixon Designs Ltd. - Stockport
- M & W Surveying Services Ltd - Brentwood
- M A Corporate Approved Inspectors - Harrow
- M Anderson Construction Ltd. - Chelmsford
- M G Maltby Ltd. - Scarborough
- M Lambe Construction Ltd. - Birmingham
- M Mynett Draughting Services Ltd. - Ilkley
- M P Kavanagh Ltd. - London
- M R Lee Ltd. - Cleckheaton
- M Washbourne - London
- M Williamson Services Ltd. - Bolton
- M & A Surveys Ltd. - Smethwick
- M & B Diesel (Glasgow) Ltd. - Glasgow
- M & B Johnstone - Stafford
- M & D Consulting Engineers - Bristol
- M & D Engineering - Birmingham
- M & E Designs - Bristol
- M & E Engineering Consultants Ltd. - Stockport
- M & E Installation Services Ltd. - Manchester
- M & E Waste Water Services Ltd - Worcester
- M & G Engineering - Norwich
- M & G Hydraulic Ram Services - Omagh
- M & J Marine Services - Chislehurst
- M & K Services Ltd. - Newport
- M & M Engineering Services - Lincoln
- M & M Technical Services Ltd. - Hemel Hempstead
- M & P Hydraulics Ltd. - Hull
- M & S Fire Protection (Glasgow) Ltd. - Glasgow
- M & S Precision Engineering - Braintree
- M & T Precision Ltd. - Wymondham
- M 2 R Architecture Ltd. - London
- M A Blood Building Design Ltd. - Derby
- M A C -Rk Precision Engineering Ltd. - Southall
- M A Doyle Ltd. - Chester
- M A F Engineering - Wrexham
- M A J Ltd. - Corwen
- M and R Hydraulics Ltd - Ellesmere Port
- M B D A Dynamics - Henlow
- M B E Consultants Ltd - Coventry
- M B Grieve - Bristol
- M B L A Ltd. - Manchester
- M B Lane Partnership - Melton Mowbray
- M B N Technology Ltd. - Bristol
- M B Supplies - Spalding
- M C B Engineering - Sheffield
- M C Design - Keighley
- M C K Partnership Ltd. - Preston
- M C Modelmaking - Chatham
- M Catterall Construction Services Ltd - High Peak
- M D Associates - Norwich
- M D G Ltd. - Warwick
- M E A Properties Ltd. - Derby
- M E B Partnership - Haywards Heath
- M E C Engineering Projects Ltd. - Mold
- M E C Bird Associates - High Wycombe
- M E P K Architects - Bedford
- M E Stacy Engineering - Aylesbury
- M E T L Ltd. - Leeds
- M F Freeman Ltd. - Drybrook
- M F Whittle Associates - Mansfield
- M G Architects - London
- M G B Architects - Oxford
- M G C Engineering Ltd. - Wadebridge
- M G Leisure - Southampton
- M G M Associates - London
- M G Tomlinson - London
- M Gould (Scunthorpe) Ltd. - Scunthorpe
- M H 7 Precision Engineering - Brighouse
- M H D Architects Ltd. - Lewes
- M H Jackson & Associates - Milton Keynes
- M Hasson & Sons Ltd. - Ballymena
- M J Goss - Wolverhampton
- M J Rees & Co. Ltd. - Bristol
- M J B Eng (2000) Ltd. - Hinckley
- M J B Ltd. - Cannock
- M J Barham - Basildon
- M J Design Services - Driffield
- M J Donnelly - Castlewellan
- M J F Architects Ltd - Leeds
- M J Grace Civil Engineering Ltd. - Abbots Langley
- M J M Construction & Plant Hire - Preston
- M J P Gates - Walsall
- M J S Designs (Bury) Ltd. - Bury
- M J W Architects Ltd - Bath
- M J Walker - Ware
- M J Yarham - Fakenham
- M K A Chartered Architects - Tonbridge
- M K R Architects - London
- M Keating (Civil Engineering) - Heywood
- M L & R S Architects - London
- M L Engineering Ltd. - Great Yarmouth
- M L J Associates - Sudbury
- M L Mechanical Estimating Services - Glasgow
- M L R Surveyors Ltd. - Glasgow
- M M Engineering Services (Scotland) Ltd. - Inverurie
- M M B L - London
- M M Building Services - Belfast
- M M C Consultants Ltd. - Wilmslow
- M M D Draughting Ltd. - Inverurie
- M M G Consulting Engineers Ltd. - London
- M M M Architects - London
- M N Builders (Kent) Ltd - Chatham
- M N T Design Ltd. - Shipley
- M O Engineering Ltd. - Cardigan
- M O O Arc - London
- M P C Partnership - Leamington Spa
- M P Engineering Services Ltd. - Ulverston
- M P M Steel Fabrication - Newry
- M P Peterson - Barnet
- M P S - Cradley Heath
- M P S Surveying & Design Ltd. - Abergavenny
- M P S L Planning & Design Ltd. - Manchester
- M P Simmons Draughting Ltd. - Brierley Hill
- M R (Bristol) Ltd. - Trowbridge
- M R A Cutting Tools - Coventry
- M R B Designs - Banbury
- M R Designs - Newmarket
- M R Garland Ltd - Tonbridge
- M R Partnership - Maidenhead
- M R Partnership Ltd. - London
- M R Reed - North Ferriby
- M R W Machinery - Oldbury
- M S Architects - Ripon
- M S Architects Ltd - Ripon
- M S Architectural Design - Uxbridge
- M S C (Realisations) Ltd. - Southampton
- M S C Planning - High Wycombe
- M S Designs - Orpington
- M S F Engineering Ltd. - Birmingham
- M S Ford - Cambridge
- M S K Associates - Melksham
- M S M Consulting Engineers - Newmarket
- M S Rudick Architects - Ascot
- M S S Architectural Design Services Ltd. - Bradford
- M Seirafian (Bristol) Ltd - Bristol
- M Swanwick & Co - Birmingham
- M T Architectural Consultants Ltd. - Manchester
- M T C Services - Manchester
- M T M Construction Ltd. - Aberdeen
- M T T Consulting Ltd. - London
- M U F - London
- M W Mayes - Dereham
- M W Bullock Engineering - Andover
- M W E Architects - Newcastle upon Tyne
- M Walker Precision Engineers - March
- M Z A Architects - Aylesbury
- M-Tech(Civil Engineering) - Caernarfon
- M. Marchant Technical & Design Services Ltd - Basildon
- M.A. Hughes Ltd - Colchester
- M.A.J Pitfield - Wareham
- M.A.Y. Design Ltd - Canterbury
- M.B. Engineering Services (North West) Ltd - Bury
- M.H. Mear & Co. Ltd - Huddersfield
- M.I Moore Civil Engineers - Worcester
- M.J.B Engineering Ltd - Hitchin
- M.P.H Electronics - Christchurch
- M.T.R. - Truro
- M3FX Ltd - London
- Maats (Northeast) Ltd. - Sunderland
- Maber Associates Ltd. - Nottingham
- Mabey Hire Ltd. - Dewsbury
- Mac Engineering - Huddersfield
- Mac Fabrications - Manchester
- Mac Panel Ltd. - Macclesfield
- Mac Tooling Services - Worcester
- Mac. L Hemming Ltd. - Hyde
- Macarthur Wilson - Bristol
- Macartney Uk - Windermere
- Macconvilles Ltd - Brighton
- Macdonald Parsons Ltd - London
- Macduff Builders Ltd - Wimborne
- Mach Engineering - High Wycombe
- Machin Associates Ltd. - Alloa
- Machine Tool Controls Ltd. - Pontypool
- Machine Tools North West.Com - Liverpool
- Machined Components - Manchester
- Machined Precision Components - Accrington
- Machtech Ltd - Brierley Hill
- Mackel & Doharty - Belfast
- Mackellar Architecture Ltd. - Gateshead
- Mackenzie Wheeler Architects & Designers - London
- Mackereth Engineering Ltd. - Kendal
- Mackie & Co - Glasgow
- Mackie Andre - Stoke on Trent
- Mackinnon Construction Ltd. - Cromer
- Mackman Land Surveys Ltd. - Leeds
- Maclachlan Monaghan - Glasgow
- Maclaren Roughton Ltd. - Maidstone
- Maclay (Civil Engineering) Ltd. - Airdrie
- Maclean Ardgay Ltd. - Ardgay
- Maclin Pumps Ltd. - Burgess Hill
- Madcad Design Ltd - Shrewsbury
- Maddocks Lusher & Matthews - Ipswich
- Maddocks Lusher & Matthews - Chelmsford
- Madhavan Design Ltd. - Mold
- Madlin & Maddison - Farnham
- Madline & Maddison - Woking
- Mae L L P - London
- Maelgwyn Mineral Services Ltd - Llandudno
- Maghull Design Ltd. - Liverpool
- Magma Fabrication (Glenrothes) Ltd. - Glenrothes
- Magna Engineering Center Uk Ltd. - Leamington Spa
- Magna Graphics Ltd - Bristol
- Magna Machinery - Coventry
- Magnaforce Ltd. - Swansea
- Magpie Services Group - Henley on Thames
- Maguire Fairweather Partnership - Belfast
- Maguire M & Co - Stratford upon Avon
- Mahem Ltd. - Reading
- Maid Construction Services Ltd. - Brierley Hill
- Maidenhead Machine Tool Co. Ltd. - Bourne End
- Main Allen - Camberley
- Maine Designs - Ballymena
- Mainserve Engineers - Longfield
- Mainstone Services Ltd. - Saltash
- Mainstreet Design Ltd. - Sutton
- Mair Engineering Design (Scotland) Ltd - Edinburgh
- Majestic Engineering Ltd. - Bootle
- Majestic Gates - Hull
- Makeforge Ltd. - Stafford
- Makerfield Design Partnership Ltd - Wigan
- Makespace Architects Ltd. - London
- Malcolm C. Cresswell Ltd - Bishop Auckland
- Malcolm Gaudie Architect - Chesham
- Malcolm Harrison - Hereford
- Malcolm Hecks Associates - Guildford
- Malcolm Hollis - London
- Malcolm Ingram Plant Engineering - Frome
- Malcolm Kingdon - Newton Abbot
- Malcolm Marsdin & Co - London
- Malcolm Marsdin & Company Ltd - Northwood
- Malcolm Ness Ltd. - Bridgwater
- Malcolm Nicholas Newton - Ryton
- Malcolm Ryan Structural Engineer - Exeter
- Malcolm Sales - Stoke on Trent
- Malcolm Smith - Sheffield
- Malcolm Tempest Ltd. - Bedale
- Malcolm W Grealy - London
- Maleo Ltd. - Derby
- Malin Marine Consultants Ltd. - Glasgow
- Mallard Design Ltd. - Ilkley
- Mallik G - Warrington
- Malpat Engineering Services - Harrogate
- Malseed Marine Engineering - Colchester
- Maltby Engineering 2000 Ltd - Alton
- Maltby Land Surveys Ltd. - Haywards Heath
- Malvern Project Services Ltd - Preston
- Managed Complexity Ltd. - Fareham
- Mandac Ltd. - Wembley
- Manders & Shaw Ltd - Chelmsford
- Mangan & Co Chartered Surveyors - Solihull
- Manhire Associates Ltd - Surbiton
- Manifest Creative Communications - London
- Maniflex Engineering Ltd - Leicester
- Manlest Construction Services Ltd. - Douglas
- Mannell Technology - Truro
- Manning & Elliott - Penrith
- Manor Architects Ltd - Magherafelt
- Manor Building Services - Halifax
- Manorhouse Architecture Ltd. - Huntingdon
- Manpro Ltd. - Hayling Island
- Mansfield Ravenhall Ltd. - Worcester
- Manta Consultants Ltd. - Plymouth
- Manual Handling - Romsey
- Manufacturing Graphics Ltd. - Sheffield
- Map Pipeline Construction Ltd. - Bristol
- Mapdraft Ltd - Loughborough
- Maple Design Services Ltd. - Lincoln
- Maple Engineering - Worcester
- Maple Grove Developments Ltd. - Preston
- Maple Timber Frame of Langley - Preston
- Maple Worcester Ltd. - Worcester
- Maplebridge Ltd - High Wycombe
- Maplehurst Services Ltd - Reading
- Maplelyn - Egham
- Mappin Planning - Edinburgh
- Marald Engineering Consultants - Pontyclun
- Marathon Design - Enfield
- Marben Engineering Co Ltd - Wimborne
- Marberann Engineering - Weymouth
- Marc Ballard Riba - Holywood
- Marcel Blum Chartered Architect and Surveyor - Edgware
- Marchbridge Builders Ltd. - Accrington
- Marches Precision Engineers Ltd. - Church Stretton
- Marchitects Ltd. - Musselburgh
- Marcus Baker Ltd. - Gloucester
- Marcus Beale Architects Ltd. - London
- Marcus Clarke - Sutton
- Marcus King & Co. - London
- Marcus Neville Ltd. - Newhaven
- Mardell Management Services Ltd - Huntingdon
- Marden Engineering - Crawley
- Margaret & Richard Davies & Associates - London
- Margaret Lynn & Associates - Edinburgh
- Margetts - Warwick
- Marianne Davys Architects Ltd. - London
- Maric Trading Ltd - Chelmsford
- Marime Ltd. - Reading
- Marine & General Engineers Ltd. - Guernsey
- Marine & Hydraulics - Jersey
- Marine Engineering Looe - Brixham
- Marine Engineering Services (M E S) Ltd (Y Felinheli) - Y Felinheli
- Marine Offshore Designers (1987) Ltd - Great Yarmouth
- Marine-Trak Engineering - Falmouth
- Marinepower Engineering Ltd. - Norwich
- Mariners Weigh - Teignmouth
- Marintec - Lymington
- Marius Barran - Dulverton
- Mark Atkins Associates - Worcester
- Mark Bayley Ltd. - Ashbourne
- Mark Brearley & Co - Shipley
- Mark Brock Consulting Engineers - Redditch
- Mark Brotherton Ltd - Dewsbury
- Mark Dady Associates - Bridgnorth
- Mark Ellerby Architect - Devizes
- Mark Frampton & Co - Guernsey
- Mark Gibson - Edinburgh
- Mark Ii Engineering Consultants Ltd. - Hamilton
- Mark Klesel & Co. Ltd. - Chelmsford
- Mark Liell & Son Llp - Bishops Stortford
- Mark Lovell Design Engineers - Devizes
- Mark N Carey Ltd. - Belper
- Mark Perkins - Eastbourne
- Mark Reeves Architects - London
- Mark Richmond Architects Ltd. - Taunton
- Mark Stewart Architecture - Nottingham
- Mark Tabert Architect - York
- Mark Thompson - Swansea
- Markam - London
- Markam Associates Ltd. - London
- Market Rasen Precision Tools - Market Rasen
- Marketbest Ltd. - Yarm
- Markland Klaschka Ltd. - London
- Marks Engineering Ltd. - Erith
- Markwick Ltd. - Croydon
- Marland Consulting Group Ltd - Edinburgh
- Marlec Marine Ltd. - Ramsgate
- Marler & Marler - London
- Marleyvale Ltd - Ferndown
- Marltrax (M & M) & Engineering - Beccles
- Marmot Associates - Newton Abbot
- Marquin Engineering Co. Ltd. - Wolverhampton
- Marquis Precision Engineering Co. Ltd. - Weymouth
- Marr Engineering Ltd. - Bristol
- Marriotts Chartered Surveyors - Oxford
- Marsden & Edwards (Land Surveyors) Ltd. - Llandudno
- Marsden Brown Associates - Wakefield
- Marshall Architects - Nottingham
- Marshall Associates - Glasgow
- Marshall Clark - Crawley
- Marshall Cryer Architects - Douglas
- Marshall Engineering - Middlesbrough
- Marshall Kypriadis Associates Ltd - Manchester
- Marston & Grundy - Stockport
- Marston Brasswear - Wolverhampton
- Marston Quantity Surveying Ltd. - Harrogate
- Martec Environmental Consultants Ltd - Lancaster
- Martin - Rugeley
- Martin & Lacey Haywards Heath Llp - Haywards Heath
- Martin & Martin - Bishops Stortford
- Martin & Martin - Fakenham
- Martin & Mortimer - Bishops Stortford
- Martin A Perry Associates - Cardiff
- Martin Arnold Associates Llp - London
- Martin Brudnizki Design Studio Ltd - London
- Martin Cotsen & Co - Cardiff
- Martin Cuthell Ltd - Keswick
- Martin Design Associates - York
- Martin Doyle - St Albans
- Martin Environmental Services Ltd. - Rochester
- Martin Erlandsen Management Ltd. - Northampton
- Martin Evans Associates Ltd - Sheffield
- Martin Fountainbarber - Bordon
- Martin Frearson Associates - Bournemouth
- Martin Gibbons - Sutton
- Martin Hall Associates Ltd - Fakenham
- Martin Hargreaves - London
- Martin McDermott - Whitchurch
- Martin Norton Architects - Witney
- Martin O'Brien & Associates Ltd. - Manchester
- Martin P - Glasgow
- Martin Parish Associates - Bath
- Martin R. Dell Associates Ltd - Godstone
- Martin Roe Consulting Ltd - Nottingham
- Martin Rogers - Southampton
- Martin Russell Architect - Market Harborough
- Martin Ryan Consulting Structural Engineer - Warwick
- Martin Slowe - London
- Martin Slowe Estates Ltd. - London
- Martin Timmins - Stourbridge
- Martin Tucker Ltd. - Ilkeston
- Martin W Hart - Towcester
- Martin Ward & Keeling Ltd. - Birmingham
- Martin Wells & Co - London
- Martin Wynn Partnership - Longfield
- Martindales Holdings Ltd - Cambridge
- Martins Anthony Bert - Norwich
- Marton (Civil Engineering) Ltd. - Pontypridd
- Martyn V Platt Engineering Services Ltd. - Bournemouth
- Martyn Hobson - Douglas
- Martyn Jones & Associates Ltd. - Market Harborough
- Martyn K Smith & Partners - Buntingford
- Martyn Pattie - Ongar
- Martyn Skinner - Exmouth
- Marvic Precision Engineering Ltd. - Accrington
- Marvin & Partners Ltd - Liphook
- Marybank Engineering Ltd. - Dundee
- Marzec Associates - Kettering
- Mas Zengrange Ltd. - St Albans
- Mason & Partners Ltd. - London
- Mason Anderson Associates Ltd. - Camberley
- Mason Brannan - Ashford
- Mason Clark Associates Ltd. - Hull
- Mason Gillibrand Architects - Lancaster
- Mason Land Survey - Horsham
- Mason Land Surveys Ltd. - Dunfermline
- Mason Navarro Pledge Ltd. - Hitchin
- Mason Technical Services Ltd - Perth
- Masood Akhtar Associates - Birmingham
- Massey Coldbeck - Liverpool
- Massie Reid Ltd. - Aberdeen
- Mast Architects - Glasgow
- Mast Projects L L P - Chatham
- Material Handling Devices Ltd. - Cleckheaton
- Material Resources Ltd. - Windsor
- Mather Jamie Ltd. - Loughborough
- Mathias Perry Commercial Surveyors - Southwell
- Matischok & Ross - Ruthin
- Matrix Control Solutions Ltd. - Manchester
- Matrix Precision Engineering Ltd - Newbury
- Matson Henderson Architects Ltd - Edinburgh
- Matt Lamberton Associates - Dunmow
- Matthew Allchurch Architects Ltd - Teddington
- Matthew Bray - Taunton
- Matthew Consultants Ltd. - London
- Matthew Deering Architects Ltd - Bristol
- Matthew Farragher - Solihull
- Matthew Fullerton Commercial Property - Bury St Edmunds
- Matthew Hamilton McLean - Edinburgh
- Matthew Lloyd Architects L L P - London
- Matthew Robert Barnett - Hereford
- Matthew Robinson Associates Ltd - Aylesbury
- Matthew Springett Associates Ltd. - London
- Matthew W Deering Architect - Bristol
- Matthews & Goodman - Manchester
- Matthews & Goodman - London
- Matthews & Leigh Civil Engineering Ltd. - Chorley
- Matthews Associates Ltd. - Southampton
- Matthews Engineering - Addlestone
- Matthews Walker Architecture - Stockport
- Maughan Architecture Ltd - Poole
- Maunsell - Witham
- Maurice Kane Architects - Enniskillen
- Maurice Lillie Architect Ltd. - Windlesham
- Maurice Mawer - Immingham
- Max Engineering - Doncaster
- Max Fordham Consulting Ltd. - London
- Max J Scott Ltd - Crawley
- Maximum Manufacturing Ltd - Wolverhampton
- Maxoil Solutions Ltd. - Aberdeen
- Maxted Engineering Co. Ltd. - Hythe
- Maxwell Brown - Reigate
- Maxwell Brown Surveyors Ltd. - Reigate
- Maxwell Stewart Maintenance Ltd. - Rickmansworth
- May Creation - London
- Mayanol Ltd. - Cupar
- Mayday Engineering Ltd. - Banstead
- Mayday Marine Ltd. - Chesterfield
- Mayer Brown Ltd. - Woking
- Mayfield Asset & Property Management Ltd. - London
- Mayfield Asset and Property Management Ltd - London
- Mayfield Design & Analysis (Cumbria) Ltd - Millom
- Mayland Engineering - Crawley
- Maynetech Ltd. - Dudley
- Maypine Construction Ltd. - Wellingborough
- Mb Mechanical Handling Consultants Ltd. - Lowestoft
- Mbc Group Ltd - London
- Mbh Designs Ltd. - Coventry
- Mbla Ltd - Manchester
- Mbpc Ltd - South Croydon
- Mc Adam Design Partnership - Westhill
- Mc Carter Mc Gaw & Co Ltd - Dungannon
- Mc Garrigle + Jackson Ltd - Londonderry
- McAdam Architects Ltd - London
- McAdam Stewart Architects Ltd - Belfast
- McAlister Armstrong & Partners Ltd. - Belfast
- McAllister Associates Ltd. - Bristol
- McAuley & Browne - Belfast
- McAvoy Construction Llp - Banbridge
- McAvoy Contractors - Banbridge
- McBains Cooper Consulting Ltd. - London
- McBryer Beg & Co. - London
- McCaig Mechanical Serices - Balerno
- McCann & Partners Ltd. - Penarth
- McCarthy Morris Chartered Surveyors - Whitchurch
- McCarty Associates - Chepstow
- McCausland Engineering - Ballymena
- McCluggage G - Larne
- McClure & Knight Partnership - London
- McComb Partnership Ltd. - Gillingham
- McCormack Developments Ltd. - Stirling
- McCormick Architecture Ltd - Chester
- McCormick Design - Omagh
- McCorry Byrne - Craigavon
- McCosker & Associates - Strabane
- McCready & Co. Architects - Lisburn