Construction Company Index - A
- A & D Fabrications Ltd. - Doncaster
- A & G Structures Ltd. - Bracknell
- A & J Robertson (Granite) Ltd. - Aberdeen
- A & V Squires Plant Co. Ltd. - Southwell
- A Hopwood Ltd. - Burnley
- A Proctor Group Ltd. - Blairgowrie
- A & A Building Maintenance Ltd. - Glasgow
- A & A Co-Ordinated Services Ltd. - Sevenoaks
- A & E Elkins Ltd. - London
- A & H Interiors Ltd. - Huddersfield
- A & J Alexander - Aberdeen
- A & J Fabrications - Newark
- A & J Steel Fabrications - Driffield
- A & M Tiling (Chelmsford) Ltd. - Chelmsford
- A & M Welding & Fabrication - Arlesey
- A & N Fabrications - Northampton
- A & S Paving - Crediton
- A & S Plant & Tool Hire Ltd. - Basildon
- A & W Tool Hire Ltd. - Morecambe
- A & Y Stone Plant Ltd. - Bristol
- A 2 Z Fencing - Nottingham
- A Allan - Largs
- A and A Bodies - Wickford
- A and B Trade Paint Supplies Ltd - St Helens
- A and M Fencing Company Ltd - Uxbridge
- A and R Engineering Ltd - Clacton on Sea
- A B G Ltd. - Huddersfield
- A Barraclough - Sheffield
- A Bettison & Sons - Launceston
- A C Lloyd (Builders) Ltd. - Leamington Spa
- A C Puddle & Co. Ltd. - Pontypool
- A C D Plant Ltd. - Coventry
- A C E Lifting - St Albans
- A C L Engineering Ltd. - Watford
- A C L Plastering & Drylining Ltd - Southampton
- A C Moore Construction Ltd - Lincoln
- A C R E - Carterton
- A C S (2000) Ltd - Stevenage
- A C Structures - Rainham
- A D E C Marine Ltd. - Croydon
- A D Williams & Sons - Mold
- A E Faulks Ltd. - Melton Mowbray
- A E Griffin & Son - Wareham
- A E Spink Ltd. - Doncaster
- A F Drew (Construction) Ltd. - Bristol
- A G Design - Ripon
- A G M Distributors Ltd. - Belfast
- A G S (Home Improvements) Ltd. - Newton Abbot
- A Howe (Light Engineering) Co - Southend on Sea
- A J Alder & Son Ltd. - London
- A J Loveland Ltd. - Rotherham
- A J Roberts Construction Ltd. - Normanton
- A J Brough Plant Hire - Preston
- A J Doyle Building Services Ltd - Rayleigh
- A J Griffiths - Worcester
- A J Plant Hire - Haverfordwest
- A J Plant Repairs Ltd. - Walsall
- A J S Contracting - Milton Keynes
- A J Wood (Holdings) Ltd. - Preston
- A L & E J Webb & Sons Contractors - Pontypridd
- A M C Groundworks Ltd. - Nottingham
- A M Southern Ltd. - Tadworth
- A Micklewright - Crewe
- A P Webb (Plant Hire) Ltd. - Stafford
- A Palmer Plant Hire - Newtownards
- A Parry Construction Co. Ltd. - Denbigh
- A Plant - Kilmarnock
- A Plus Office Solutions Ltd - Milton Keynes
- A R Cornell Ltd. - Chelmsford
- A R Jolly Ltd. - Richmond
- A R L Design & Welding Ltd. - Burntwood
- A R Plant Hire Ltd. - Christchurch
- A R Winnett & Sons - Abertillery
- A S A Steel Structures Ltd. - Newcastle
- A S B Construction - Southampton
- A S Ballantine Ltd. - Strabane
- A S Bines Ltd. - London
- A S H Plastics (Wolverhampton) Ltd. - Wolverhampton
- A Spicer (Contractors) Ltd. - St Neots
- A Steven City Garden Service - Norwich
- A T & P Rentals Ltd. - Guisborough
- A T M Plant Hire Ltd. - Doncaster
- A T R Plant Services Ltd. - Aberdeen
- A T Services - Tamworth
- A W Construction Rail and Civil Engineering plc - Birmingham
- A W Framing Ltd - Cardiff
- A W Gilbert - St Austell
- A W H Joinery - Luton
- A W Jeffreys (Southampton) Ltd. - Southampton
- A W Lumb & Co. Ltd. - Ossett
- A W O Plant Ltd. - Llanelli
- A W Sinclair & Sons Ltd. - Scarborough
- A Ward Landscapes - Southampton
- A White Plumbing Service Ltd - Dunstable
- A Y Fabrications - Telford
- A&H Construction & Developments (Holdings) Ltd. - Halesowen
- A&W Sinclair Ltd. - Wick
- A. & C. Dunkley (Boscombe) Ltd - Bournemouth
- A. Machola Ltd - Fareham
- A.C.Bacon Engineering Ltd - Norwich
- A.E. Hughes & Sons (Contracts) Ltd - Leatherhead
- A.M. Sanders Ltd - Trowbridge
- A.M./P.M. Fabrications Ltd - Billericay
- A1 Engineering Ltd. - Workington
- A1 Mobile Ltd - Nottingham
- A1 Partitions - Bedford
- A1 Powder Coatings Ltd. - Southampton
- A1 Ready Mixed Concrete - Wigan
- A1 Secure Fabrications - Nottingham
- A15 Fabrications - Gainsborough
- A25 Awnings Ltd - Caterham
- AAA Concrete Nottingham - Nottingham
AAC Eurovent Ltd - Brownhills- Aagaard-Hanley Ltd. - Leeds
- Aalco - Hersham
- Aardvark Equipment Ltd. - Sudbury
- Aardvark Transatlantic Ltd. - Ascot
- Aaron Evans Architects Ltd - Bath
- Aaron Roofing Services - Bolton
- Aaron Roofing Supplies - Bristol
- Aaron Roofing Supplies Ltd - Taunton
- Aaron Roofing Supplies Ltd (Bath) - Bath
- AB 2000 Ltd - Glasgow
- Ab Scaff Ltd. - Aberdeen
- Abaco Fabrications Ltd - Keighley
- Abacus Agents Ltd - Dundee
- Abacus Sales Ltd - Bristol
- Abacus Shutters Ltd. - Dagenham
- Abaris Ltd. - London
- ABB Ltd - Bristol
- ABB Ltd - Milton Keynes
- Abba Hire - Deeside
- Abba Plant Hire Ltd. - Lincoln
- Abbey Access - Neath
- Abbey Acoustic Systems Ltd. - Southampton
- Abbey Distribution Ltd. - High Wycombe
- Abbey Mews Builders Ltd. - London
- Abbey Rose Buildbase - London
- Abbey Tile Centre Ltd. - Bridgend
- Abbeymill Huddersfield Ltd. - Huddersfield
- Abbfab Services Ltd - Bolton
- Abc Mix Ltd. - Liverpool
- Abco Windows Ltd. - Southampton
- Abcon Readimix Concrete Ltd. - Pontefract
- Abel Alarm Co Ltd - Leicester
- Abercarn Concrete Products - Abercarn
- Aberford Construction Co. Ltd. - Rotherham
- Abergwili Concrete Products Ltd. - Carmarthen
- Abet Ltd - London
- Ability International Ltd - Peterborough
- Ability Plant Hirers & Contractors Ltd. - Glasgow
- Abird Ltd. - Sandwich
- Able Plant Services Ltd. - Harrow
- Able Scaffolding Ltd. - Manchester
- Able Steel Fabrications Ltd - Gosport
- Able Uk Holdings Ltd - Billingham
- Ableflame Ltd - Redditch
- Abm Rite Factors - Egham
- Abney Electrical - Huddersfield
- Abraflex UK Ltd - Romney Marsh
- Abraham Geoffrey P - Axbridge
- ABS Technologies - Woking
- ABUS Crane Systems Ltd - Yateley
- AC Fixings Ltd - Chelmsford
- AC Yule - Boldon
- Aca-Apex Ltd. - Dunstable
- Accelerated Drains UK Ltd - London
- Accent Technology Ltd - Totnes
- Access 24 - 24hr Locksmith - Oxford
- Access Brands Ltd - Leeds
- Access Flooring Services (U K) Ltd. - London
- Access Plant (Hire and Sales) Ltd - London
- Access Platform Sales Ltd - Huntingdon
- Access Plus (Scotland) Ltd - Stevenston
- Access Solutions Northern - Bradford
- Access Store, The - Ballyclare
- Access, Lifting, Pulling & Safety Ltd. - Sheffield
- Accesscaff International Ltd - Beckenham
- Accolade Building Care Ltd - Ringwood
- Accomadata - Windermere
- Accommodation Hire N W - Chester
- ACDC Lighting Systems Ltd - Nelson
- Ace Arc Holdings Ltd - Coalville
- Ace Filtration Ltd. - Gravesend
- Ace Minimix - Colchester
- Ace Plant Ltd - Beverley
- Ace Security Services - Liverpool
- Acergy Uk Ltd. - Aberdeen
- Acheson & Glover Ltd. - Enniskillen
- Acheson and Glover Ltd - Dungannon
- Achlain Medals - Inverness
- Ackroyd & Abbott Ltd. - Sheffield
- Acland Plant Hire - Truro
- Acle Plant Hire - Norwich
- Acorn Plant Hire - Darwen
- Acorn Timber and Joinery Ltd - Manchester
- Acorn Windows (Nottingham) Ltd - Nottingham
- Acoustiblok UK Ltd - Maidstone
- Acoustic Ceilings Ltd. - Cardiff
- Acoustic Design Consultants - High Wycombe
- Acousticabs Industrial Noise Control Ltd - York
- Acoustics Plus Ltd. - London
- ACP Concrete Ltd - Uttoxeter
- Acquisitions (Fire Places) Ltd. - London
- Acrabuild Ltd. - Peterborough
- Acre Pine Furniture - Brighouse
- Acrelane Joinery - Croydon
- Acs Stainless Steel Fixings Ltd. - Leeds
- Action Refrigeration - Jarrow
- Active Fire Solutions - Basildon
- AD Morton Ltd - Bacup
- Adam Carpets Ltd. - Kidderminster
- Adam Engineering Co. - Pontefract
- Adams Forge Engineering - Ely
- Adams Rite Europe Ltd - Willenhall
- Adawall Construction Chemicals - Bristol
- Adbeck Fabrications Ltd. - Newcastle
- Addagrip Surface Treatments UK Ltd - Uckfield
- Adder Solution Ltd - Weybridge
- Addis Construction Ltd. - Keighley
- Adenstar Developments Ltd. - Brighton
- Adg Fabrications Ltd. - Dewsbury
- Adler and Allan Ltd - Harrogate
- Adlink Uk Ltd. - Wembley
- Admiral Construction Ltd - Dronfield
- Adroit Construction Services Plc - Bromsgrove
- Adstone Construction Ltd. - Droitwich
- ADV Lighting Ltd - Harrogate
- Advance Process Fabrications Ltd. - Isleworth
- Advanced Aluminium - Wymondham
- Advanced Chemical Specialties Ltd - Yeovil
- Advanced Cladding and Insulation Group Ltd - Manchester
- Advanced Diesel Engineering Ltd - Pontefract
- Advanced Doors Ltd. - Huddersfield
- Advanced Equipment & Tools Ltd. - Birmingham
- Advanced Forklifts - Fareham
- Advanced Hygienic Contracting Ltd. - Harrogate
- Advanced Surface Products (Uk) Ltd - Cradley Heath
- Advantay Ltd. - Sudbury
- AE Yates Microtunnelling Ltd - Bolton
- Aecom Ltd. - Beckenham
- Aedean Ltd. - West Byfleet
- Aegis Survey Consultants Ltd. - Romford
- Aeratech Ltd. - Newark
- Aesa Eurogondolas - London
- Affordable Access Hire - Romsey
- Affordable Granite and Marble Co Ltd - Matlock
- AFI Aerial Platforms Ltd - Iver
- Aftercrete Constructional Engineering Co. Ltd. - Luton
- AG Glass and Glazing Ltd - Barnsley
- Agass and Sons - London
- AGB Plant Ltd - Salisbury
- AGD Equipment Ltd - Stratford upon Avon
- Aggregate Industries - Bacup
- Aggregate Industries - Bodmin
- Aggregate Industries - Burton on Trent
- Aggregate Industries - Calne
- Aggregate Industries - Cullompton
- Aggregate Industries - Gateshead
- Aggregate Industries - Glasgow
- Aggregate Industries - Haddington
- Aggregate Industries - London
- Aggregate Industries - Newton Abbot
- Aggregate Industries - Peterborough
- Aggregate Industries - Shrewsbury
- Aggregate Industries - Skipton
- Aggregate Industries - Stoke on Trent
- Aggregate Industries Uk Ltd. - Coalville
- Aggregate Industries Uk Ltd. - Swindon
- Aggregate Recycling (Uk) Ltd. - York
- Aggregate Supplies Ltd - London
- Agricultural & Mobile Airconditioning Ltd - Stroud
- Agricultural & Plant Hire Contractor - Southampton
- Agricultural Machinery Hire Services (Ranskill) Ltd, The - Retford
- Aguaplumb Uk Ltd - Rotherham
- AH Nicholls and Sons Ltd - Broxbourne
- Ahl Industrial Pipework Specialists Ltd - Jarrow
- Aiken Group - Aberdeen
- Air Conditioning Co, The - London
- Air Conditioning Distribution Ltd - Stockport
- Air Conditioning Engineers Ltd. - Alcester
- Air Conditioning Products - Haverhill
- Air Cool Refrigeration Ltd - Milton Keynes
- Air Design Solutions Ltd. - Southampton
- Air Handling Equipment Ltd - Liverpool
- Air Improve Ltd. - Winchester
- Air Movement Design Ltd. - Caterham
- Air Products Plc t/a Scorpio Welding and Gases - Walsall
- Air Systems Air Conditioning & Refrigeration Ltd. - Rushden
- Air-Fab (Manufacturing) Ltd. - Feltham
- Air-o-Ducts (Wessex) Ltd. - Bournemouth
- Aircon Direct For Cars - Gravesend
- Aircraft Air Handling Ltd. - Stafford
- Aire-Sales Scotland Ltd. - Glasgow
- Airedale International Air Conditioning Ltd - Leeds
- Airguard Filters Ltd - Willenhall
- Airkool Contracts Ltd. - Hull
- Airmatic Ltd - Bury
- Airnesco Ltd. - Gillingham
- Airplants Dust Extraction Ltd - Leicester
- Airstream Air Conditioning Service Ltd - Chelmsford
- Airvent Systems Ltd - Cardiff
- Airway Solutions Ltd - Wirral
- Aish Electro-Mechanical Services - Poole
- Aitkens Ltd. - Bury St Edmunds
- AJ Hodgson Enginnering - Kings Lynn
- AJ Howard Industrial Supplies - Southend on Sea
- Aj Jones Tipper and Grab Hire - Northampton
- AJB Project Services Ltd - Hayes
- AJC Trailers Ltd - Luton
- AJK (Plant Hire) Ltd - Warrington
- Akro Plant Ltd. - Livingston
- Akron Construction - Aberdeen
- Aktiv Design Granite and Marble - Harrogate
- Alan Auld Associates Ltd - Doncaster
- Alan Baxter & Associates Llp - London
- Alan Dunn - Colchester
- Alan Farr Ltd. - Birmingham
- Alan Forrester - Lancaster
- Alan Hughes - Brynteg
- Alan J Franks Peat Products - Wedmore
- Alan McCulloch Associates - Glasgow
- Alan Tuer Ltd. - Carlisle
- Alan Wearmouth - Kirkby Stephen
- Alan Whiteford Contracts Ltd. - Inverurie
- Alandale Plant - Pevensey
- Alaska Equipment - Hebden Bridge
- Alba Windows - Inverness
- Albany Westbrook Associates Ltd - Brough
- Albion Detection Systems Ltd. - Sheffield
- Albion Stone P L C - Redhill
- Albro Windows Ltd. - Harrow
- Alco Plant Hire Ltd. - Snodland
- Alderley Systems Ltd - Wotton under Edge
- Aldershaw Handmade Tiles Ltd. - Battle
- Aldridge Bros (Sheet Metal) Ltd. - Altrincham
- Aldridge Fabrications Ltd. - Burntwood
- Alexander Associates - Oxford
- Alexander Associates - Salisbury
- Alexander Cardew Ltd. - London
- Alexander Hector Napier - Coalville
- Alexander Windows Ltd. - Stockport
- Alfran Fasteners - Rotherham
- Alfred Bagnall & Sons (London) Ltd. - Teddington
- Alfred Bagnall & Sons (Restoration) Ltd. - Belvedere
- Alfred Briggs (Alwood) Ltd. - Craigavon
- Alfred McAlpine - Stockport
- Alger Fabrications Ltd. - High Peak
- Alide Plant Services Ltd. - Bath
- Alimak Hek Ltd - Rushden
- Alistair Harper - Shetland
- Alistair McClounie - Cumnock
- All Access Ltd - Margate
- All Fabs - Rotherham
- All Foundations Ltd. - Alfreton
- All Four Seasons Ltd. - Epsom
- All Go Construction Services - Hemel Hempstead
- All Hire Ltd - Hinckley
- All Meck Services - Llangefni
- All Natural Stone - Tavistock
- All Round Fabrications - Liverpool
- All Seasons Contracting Co. Ltd. - Stourbridge
- All Seasons Hire Ltd - Andover
- All Trade Printers (Sales) Ltd. - Birmingham
- All-Counties Supplies Ltd. - Telford
- Allan Aqua-Systems Ltd - Luton
- Allan Commercial & Industrial Interiors Ltd. - Glasgow
- Allan E Whyte Plant Hire - Johnstone
- Allan J Hargreaves Plant Engineers Ltd - Thornton Cleveleys
- Allan Liddle (Steel) Ltd. - Gateshead
- Allbins Skip Hire Ltd. - Reading
- Allen (Concrete) Ltd. - Mitcham
- Allen Newport Ltd - Ely
- Allenbuild Ltd - Leeds
- Allgood Holdings Ltd. - London
- Alliance Maintenance Services - Rochdale
- Allied Fire Alarms & Escapes Co. Ltd. - Wrexham
- Allied Plant Ltd. - Castleford
- Allins Ltd. - Bideford
- Allma Construction Ltd. - Glasgow
- Allmec Engineering Ltd. - Warrington
- Alloy Access Ltd - Croydon
- Alloy Towers Ltd - Leeds
- Allround Door Services - Birmingham
- Allten Windows Ltd - Darlington
- Alltype Fencing Co. Ltd. - Salisbury
- Allvent Ltd. - Birmingham
- Allwallz Interiors - Melton Mowbray
- Allwood Buildings Ltd. - Exeter
- Allwood Ceiling Services - Woking
- Allwood Fireplaces Ltd - Stockport
- Allworks Ltd. - Warwick
- Almac Engineering (Air Conditioning) Ltd - Cardiff
- Alpcart Ltd - South Ockendon
- Alpha Beta Controls Ltd. - Redditch
- Alpha Construction Ltd - Derby
- Alpha Fencing Ltd - Ellon
- Already Hire Ltd. - Slough
- Alston Limestone Co Ltd, The - Chester le Street
- Altfield Ltd. - London
- Altitude Access - Mansfield
- Alto Plant Services Ltd. - Chorley
- Altonlord Ltd. - Hartlepool
- Alumet Systems UK Ltd - Southam
- Aluminium Extrusions Simmal Ltd - Preston
- Aluminium R W Supplies Ltd. - Cardiff
- Alusec U K Ltd. - Rotherham
- Alvid Investment Co. Ltd. - Welling
- Amalgamated Construction Ltd - Barnsley
- Amapola Ltd - Sutton Coldfield
- Ambassador Holdings Ltd. - Reading
- Amber Shearing Ltd. - Cradley Heath
- AmbiRad Ltd - Brierley Hill
- Ambit Stainless Ltd. - Ipswich
- Ambrose Hire Ltd. - Preston
- AMC Security Products Ltd - Shoreham by Sea
- Amco Plastics Ltd - Rotherham
- Amiantus Environmental Consultants Ltd - Witney
- Amity Insulation Services Ltd - Witney
- Amix Concrete Co - Bolton
- Ammonite Flooring - Bromley
- Ampella Ltd - Liss
- AMTec Ltd - Bournemouth
- Amwell Kitchens Ltd - Hoddesdon
- Anaco Stainless - Peterborough
- Anaco Systems Ltd. - Birkenhead
- Anchor Engineering (Bolton) Ltd. - Bolton
Ancon Building Products - Sheffield- Andel Plant Ltd. - Sittingbourne
- Anderson Civil Engineering Ltd. - Gloucester
- Anderton Concrete Products Ltd. - Northwich
- Andrew Alan Poulter - Bordon
- Andrew Day - Greenford
- Andrew Dust Structural Engineers - London
- Andrew Engineering Ltd - Chesterfield
- Andrew Scott Ltd. - Port Talbot
- Andrew Sykes Hire - Newton Abbot
- Andrew Wright (Pvc) Ltd. - Irvine
- Andrews Sykes Hire Ltd - Ashford
- Andrews Sykes Hire Ltd - London
- Andrews Sykes Hire Ltd - Milton Keynes
- Andrews Sykes Hire Ltd - Pontypridd
- Andrews Sykes Hire Ltd - Scunthorpe
- Andrews Sykes Hire Ltd. - Leeds
- Andros Engineering - Sandown
- Andy Pulling Engineering - Spalding
- Andyloos Ltd - Worcester
- Andywrap Eurofilm Ltd. - Southampton
- Anglepoise Ltd. - Portsmouth
- Anglesey Reinforcements - Newcastle upon Tyne
- Anglia Building Suppliers Ltd. - Chelmsford
- Anglia Concrete Products - Clacton on Sea
- Anglia Crane & Plant Hire Ltd. - Wellingborough
- Anglia Factors (Ipswich) Ltd. - Ipswich
- Anglia Formwork Ltd - Norwich
- Anglia Land Surveys Ltd - Ipswich
- Anglia Skills Academy - Great Yarmouth
- Anglian Building Products - Norwich
- Anglian Energy Assessors Ltd - Great Yarmouth
- Anglian Erection Services Ltd - Dereham
- Anglo Plant Hire Ltd - Widnes
- Anglo-Holt Construction Ltd. - West Bromwich
- Anglo/Italian Ceramic Tile Centre - Nottingham
- Angus Heron Ltd. - Cleckheaton
- Angus Homes Ltd. - Turriff
- Angus Meek Partnership Ltd. - Bristol
- Anstone Consulting Ltd - Wokingham
- Ant Hire Ltd. - Leeds
- Anthony Axford Ltd. - Bolton
- Anthony C Walsh - Liverpool
- Anthony Love Seating Installations Ltd - Bolton
- Anthony O'Neill - Magherafelt
- Anti-Vibration Methods (Rubber) Co. Ltd. - Warminster
- Anton Paar Ltd - Hertford
- Antrim Contract Carpets Ltd. - Belfast
- AP Sales Ltd - Bath
- APE Plastic Piling - Cannock
- Apec Plant Ltd - Upminster
- APEL Contractors - Leeds
- Apex Block Cutters Ltd - Bedford
- Apex Contract Scaffolding Ltd. - Fleet
- Apex Fabrications Llp - Telford
- Apex Hire Ltd - Derby
- Apex Insulation Supplies Ltd - Alfreton
- Apex Roofing Services - Colchester
- Apollo Fire Detectors Ltd - Havant
- Apollo Lighting Ltd. - Leeds
- Applegate Ltd - Barnstaple
- Appletree Visualization Ltd - Chichester
- Applied Acoustic Engineering Ltd. - Great Yarmouth
- Applied Ionics Ltd. - Ware
- Applied Vibration Ltd - Tamworth
- Apslade Ltd. - Cirencester
- Aptus Fastener Systems Ltd - Ripley
- Aqata Ltd. - Hinckley
- Aqualona Products Ltd - London
- Aquatherm Heat Transfer Ltd - Pershore
- Aquatreat Group Ltd. - Mitcham
- Archer Structures Ltd. - Tamworth
- archiTAB Solutions Ltd - Burton on Trent
- Architectural & General Fabrications - Sheffield
- Architectural Aluminium Systems Ltd. - Fordingbridge
- Architectural Design - Macclesfield
- Architectural Engineering & Manufacturing Design Co. Ltd. - Lisburn
- Architectural Glazed Facades Ltd - Cambridge
- Architectural Metal Designs Ltd. - London
- Architectural Mouldings Ltd. - Gloucester
- Architen Landrell Associates Ltd - Chepstow
- Archkingtech Ltd - Wallingford
- Archway Refrigeration & Air Conditioning & Air Con - Coventry
- Archway Services PLC - Reading
- Arcomet Cranes Ltd - Dartford
- Arcon Construction Supplies - Warrington
- Arden Group Ltd - Coventry
- Ardex Holdings Uk Ltd. - Haverhill
- Ardmore (Co. Derry) Pre-Cast Concrete Ltd. - Londonderry
- Argent Fm Ltd. - London
- Argon Engineering (Airdrie) Ltd. - Airdrie
- Argonaut Heating Ltd - Romford
- Arista Construction Ltd. - Newcastle
- Aristocast Originals Ltd. - Sheffield
- Ark Offshore International Ltd. - Great Yarmouth
- Arkay Engineering Ltd - Romsey
- Arlec Management Ltd. - Smethwick
- Armabridge Ltd. - Torquay
- Armagh City Quarries - Armagh
- Armatile Ltd. - Armagh
- Armill Lift Trucks Ltd - Braintree
- Arminhall Engineering Ltd. - Saffron Walden
- Armoury Demolition & Recycling Ltd. - Birmingham
- Armstrong Metal Ceilings Ltd. - Stafford
- Armstrong Priestley Ltd - Leeds
- Arnold B Johnson (Construction) Ltd - Bristol
- Arnold Plant Hire Ltd. - Stockport
- Arnott Plant Hire Ltd. - Hull
- Aronn Interiors Ltd. - Bognor Regis
- Arrow Building Services Ltd. - Nottingham
- Arrow Ceilings Ltd. - Nottingham
- Arrow Fire Systems Ltd - Lichfield
- Arrow Plant and Tool Hire Ltd - Leominster
- Arrow Plant Hire Ltd - Kington
- Arrowhead Hire Ltd. - Reading
- Art Fabrication - Nuneaton
- Artic Air Refrigeration & Air Conditioning - Studley
- Artisan Fireplace Design Ltd - Brighouse
- Artistic Engineering Ltd. - London
- Artizan Steelworkers Ltd - Leicester
- Arun Welding Supplies - Arundel
- Arundel Stone Ltd - Bognor Regis
- Arundelle Industrial Services Ltd. - Wallingford
- Arwyn Griffith - Machynlleth
- AS Newbould Ltd - Wirral
- Asbestos Risk Management and Consultants Ltd (ARMAC) - Blandford Forum
- ASC Connections - Birmingham
- Ascot Doors Ltd. - Bolton
- Ascot Environmental Ltd - Manchester
- ASD Engineering services Ltd - Wirral
- ASD Metal Services - Leeds
- Asd Westok Ltd. - Wakefield
- Ash Plant Hire Ltd. - Chelmsford
- Ashbridge Concrete - York
- Ashby and Croft Ltd - West Thurrock
- Ashby and Sons Mini Diggers - Worcester Park
- Ashcroft Plant (Cumbria) Ltd. - Maryport
- Ashdown Building Services - Birmingham
- Ashford Windows Ltd - North Walsham
- Ashley Kelly Plant Hire - Sheffield
- Ashley Plant Hire - Crewe
- Ashmead Building Supplies Ltd - Bristol
- Ashmount Flooring Supplies Ltd. - London
- Ashridge Construction Ltd. - Thatcham
- Ashtead Plant Hire Co. Ltd. - Warrington
- Ashton Concrete Floors Ltd. - Chippenham
- Ashton William E M - Southport
- Ashvale Civil Engineering Ltd - Luton
- Askew Refrigeration Services Ltd - Nelson
- Aspect East Anglia Ltd. - Norwich
- Aspen Air Conditioning Ltd - Hailsham
- Asphaltic Roofing - Waterlooville
- Asphaltic Roofing Supplies - Aberdeen
- Asphaltic Roofing Supplies - Colchester
- Asphaltic Roofing Supplies - Croydon
- Asphaltic Roofing Supplies - Dundee
- Asphaltic Roofing Supplies - Glasgow
- Asphaltic Roofing Supplies - Kirkcaldy
- Asphaltic Roofing Supplies - Leeds
- Asphaltic Roofing Supplies - London
- Asphaltic Roofing Supplies - London
- Asphaltic Roofing Supplies - Manchester
- Asphaltic Roofing Supplies - Sutton
- Asphaltic Roofing Supplies Ltd - Bristol
- Asphaltic Roofing Supplies Ltd - Cardiff
- Asphaltic Roofing Supplies Ltd - Dunfermline
- Asphaltic Roofing Supplies Ltd - Eastbourne
- Asphaltic Roofing Supplies Ltd - Exeter
- Asphaltic Roofing Supplies Ltd - Huntingdon
- Asphaltic Roofing Supplies Ltd - Luton
- Asphaltic Roofing Supplies Ltd - Manchester
- Asphaltic Roofing Supplies Ltd - Newton le Willows
- Asphaltic Roofing Supplies Ltd - Poole
- Asphaltic Roofing Supplies Ltd - Portslade
- Aspli Safety Ltd. - Leeds
- Asset Fixings & Tools Ltd - Hitchin
- Associated Civil Engineering Ltd. - Rochdale
- Associated Pipework (Se) Ltd. - London
- Associated Roofing & Maintenance Ltd - Taunton
- Association for Specialist Fire Protection - Farnham
- Association of Building Hardware Manufacturers - Tamworth
- Assystem Uk Ltd. - Preston
- Astra IT Ltd - Middlesbrough
- Astra Plant Ltd. - Treharris
- Astro Lighting Ltd. - Harlow
- Astroflame Fireseals Ltd - Fareham
- AT Wilde & Son Ltd - Shrewsbury
- AT Toolcentre Ltd - Banbury
- Atcost Windows - Liphook
- ATD Ltd. - Birmingham
- Atex Equipment Ltd - Farnborough
- ATG Access - St Helens
- ATI Tank Hire Ltd - Great Yarmouth
- Atkinsons Fencing Ltd. - Castleford
- Atlantic Ltd. - Dagenham
- Atlas Concrete - Manchester
- Atlas Fire Engineering Ltd - Swansea
- Atlas Terex UK Ltd - Hamilton
- Atlas Trading Group Ltd - Ashton under Lyne
- Atlas Winch and Hoist Services - Dunmow
- Atmos International Ltd - Manchester
- Atrium - Kington
- Atrium Access Ltd - Rainham
- Auckland Construction Ltd. - Arlesey
- Aucott Developers Ltd. - Tamworth
- Audley Builders Merchants Co Ltd - Stoke on Trent
- Ausden Geo Ltd. - Watford
- Austin Benn (Birmingham) - Edgbaston
- Austin Divall Fabrications Ltd - Arundel
- Austin Fabrications Ltd. - Haverhill
- Autokool - Bonnybridge
- Automated Gates Ltd - Sunningdale
- Autometers Systems Ltd. - Manchester
- Autopa Ltd - Rugby
- AV Access Control Ltd - Bordon
- AV Technology Ltd - Handforth
- Ava-Matic (U K ) Ltd. - Redditch
- Avebury Housing Investments Ltd - Milton Keynes
- Avenell Fabrication Ltd - Aylesbury
- Avnex Ltd. - Cambridge
- Avon Barrier Co Ltd - Bristol
- Avon Industrial Doors Ltd - Bristol
- Avon Stainless Fasteners Ltd - Bristol
- Avoncroft Joinery - Bromsgrove
- Award Health and Safety Ltd - Portsmouth
- Axio (Special Works) Ltd - Brighton
- Axongarside - Stockport
- Ayerst Environmental Ltd. - Beckenham
- Aylesbury Little Diggers - Aylesbury
- Ayrshire Agencies Ltd. - Kilmarnock
- Ayrshire Construction Ltd. - Cumnock
- Ayton Asphalte Co Ltd - Wymondham
- Aztec Plant Services - Wallingford