Company Index
- H 'N' T Creative - London
- H A F Power Tools Ltd - Sheffield
- H A Joinery - Ashton under Lyne
- H A M S - Market Harborough
- H A Mason Metals Ltd - Brierley Hill
- H A N D - Norwich
- H and B Boiler Servicing - Westerham
- H and B Pressings - Driffield
- H and B Quickgrind Ltd - Tewkesbury
- H and C Fabrications Ltd - Birkenhead
- H and C Moore Electrical Ltd - Leeds
- H and D Heating Services - Gosport
- H and D Worm Drive Clips - London
- H and E Engineers Ltd - Kidlington
- H and H Engineering Blaenavon Ltd - Blaenavon
- H and H Metal Fabrications Ltd - Willenhall
- H and H Products Ltd - Halesowen
- H and I Engineering Ltd - Annan
- H and J Howells - Carmarthen
- H and J Speake Ltd - Willenhall
- H and K Joinery Manufacturing - Aberdeen
- H and K Ltd - Birmingham
- H and K Rugby Ltd - Rugby
- H and L Hydraulic Ltd - Driffield
- H and M Beaumont Engineering - Driffield
- H and M Disinfection Systems Ltd - Northwich
- H and M Engineering Services Ltd - Bristol
- H and M Plating Ltd - Birmingham
- H and M Services - York
- H and P Polishing - Birmingham
- H and P Precision UK Ltd - Lichfield
- H and R Boilercare - Hoddesdon
- H and R Fabrications and Finishers Ltd - Waterlooville
- H and R Oakley (Engineering Services) Ltd - Carshalton
- H and S Aviation Ltd - Portsmouth
- H and S Engineering - Kings Lynn
- H and S Plumbers Merchants - Blackburn
- H and T Refrigeration - Bexhill on Sea
- H and V Commissioning Services Ltd - Ayr
- H Armstrong Ltd - Carlisle
- H B Consulting Engineers - Southampton
- H B Halstead and Sons Ltd - Preston
- H B S Engineering Co - Warrington
- H B Sensors Ltd - Bognor Regis
- H B Tools Ltd - Ormskirk
- H Blackhall Engineering (Scotland) Ltd - Edinburgh
- H Blyth and Son - Norwich
- H Brown Sons and Pickles Ltd - Barnoldswick
- H C Daly Ltd - Kingswinford
- H C Lazell Ltd - Grays
- H C Star Metals - Burntisland
- H C W Fabrications - Halifax
- H Case and Son (Cradley Heath) Ltd - Cradley Heath
- H Cooper and Sons (Bristol) Ltd - Yate
- H Cropper Joinery Ltd - Manchester
- H D Bearings and Engineering Supplies Ltd - Airdrie
- H D C - Darlington
- H D White - Littlehampton
- H Docherty Ltd - Thatcham
- H Downs and Sons (Huddersfield) Ltd - Huddersfield
- H E Marfleet - Alford
- H E S Ltd - Liverpool
- H E S Sales Ltd - London
- H E S Sales Ltd - Rotherham
- H E Services - Wellington
- H F Bates and Sons - London
- H F E Vinyl Signs - Burton on Trent
- H Fereday and Sons Ltd - London
- H G A UK Ltd - Inverness
- H G Hughes and Son - Colwyn Bay
- H G Middleton and Sons - Dartmouth
- H G Wood - Warrington
- H Goodwin Hardware - Walsall
- H H Angus and Associates Ltd - London
- H H Belgers - Stanley
- H Henry - Royston
- H Hipkiss and Co Ltd - Birmingham
- H I E - Prestwick
- H I Services Ltd - Maidstone
- H J Heating and Plumbing - Northwood
- H J Miller Ltd - Newcastle upon Tyne
- H J Partnership Ltd - Wakefield
- H J Zinke - Edenbridge
- H K B Joinery Ltd - Pevensey
- H K S Kitchens Bedrooms and Bathrooms - Heathfield
- H K V Engineering - Wigston
- H Kuhnke Ltd - High Wycombe
- H Kuhnke Ltd - Romsey
- H L Linen Bazaars Ltd - Oldbury
- H Lee - Bishop Auckland
- H Lehmann Ltd - Stoke on Trent
- H M and J M Parrott - Bedford
- H M B Machinists and Engineers Ltd - Alfreton
- H M Fabrications Ltd - Bradford
- H M K Ltd - Aylesbury
- H M P Engineering Services - High Wycombe
- H M P Precision Engineering - Coventry
- H M R Engineering - Clitheroe
- H Malone and Sons Ltd - Newcastle upon Tyne
- H Mullins (Earby) Ltd - Jarrow
- H Norman - Nottingham
- H Nuttall - London
- H O Thompson and Sons - Dudley
- H P Card and Son - Bristol
- H P W Engineering - Darwen
- H Pearson and Son - Nottingham
- H Peel Patterns and Castings Ltd - Camberley
- H Phillip Rockhill and Associates - Guildford
- H Pickup Mechanical and Electrical Services Ltd - Scarborough
- H Pogson and Son - Huddersfield
- H Pontifex and Sons Ltd - Leeds
- H R Adcock Ltd - Loughborough
- H R Jones - Swansea
- H Reis Ltd - Cradley Heath
- H Ripley and Co - Hailsham
- H Ripley and Co - Hastings
- H Rollet and Co Ltd - Hertford
- H Rollet and Co Ltd - Kirkby
- H Rothwell and Co Ltd - Bury
- H Rothwell and Co Ltd - Todmorden
- H Rowlands and Sons - Bala
- H S C Mobility - Hayle
- H S G Packing Cases Ltd - Bradford
- H S Gribben - Inverness
- H S L Engineering Co - Newport Pagnell
- H S Peplow and Son - Leeds
- H S Rowe and Partners Ltd - Ilkeston
- H S V Corus Ltd - Rotherham
- H S&M - Wokingham
- H Schmauch - Faringdon
- H Signs - Bury St Edmunds
- H Sly and Sons - Spalding
- H Snelson Engineers Ltd - Winsford
- H T Consultants - Aldershot
- H T Edwards - Stockport
- H T Fabrications Ltd - Leicester
- H T Partnership - Lewes
- H Timney - Rugeley
- H Tipton-Jones - Salford
- H V Elson - Chipping Campden
- H Varley Ltd - Altrincham
- H W Bell and Co Ltd - Sevenoaks
- H W C H Ltd - Redhill
- H W Comery Ltd - Perth
- H W Design Ltd - Bedford
- H W Engineering - Wigan
- H W Saunders - Worthing
- H W Taroni Metals Ltd - Birmingham
- H W Ward - Stockport
- H Wicks (Lindal) Ltd - Barrow in Furness
- H Williams and Sons Ltd - Hitchin
- H Woods and Son - Belfast
- H&H Electronics Ltd - Rhyl
- H+L Hydraulics Ltd - Redditch
- H-T Ltd - Portland
- H20 Plumbing and Heating - Sleaford
- H2O - London
- H2O Conservatories and Windows - Kirkcaldy
- H4 Marine Ltd - Yelverton
- HA England (Engineers) Ltd - Bolton
- Haas Automation - Norwich
- Habgood Micro Components - Cheltenham
- Habrough Fabrication and Welding Services Ltd - Immingham
- Hacel Lighting Ltd - Wallsend
- Had-Fab Ltd - Tranent
- Haddiscoe Forge - Norwich
- Haddon Special Steels Ltd - Dronfield
- Haddoncraft Forge Ltd - Northampton
- Hadee Engineering Co Ltd - Sheffield
- Haden Freeman Ltd - Manchester
- Haden Young - Bristol
- Haden Young - Musselburgh
- Hadfield CNC and Electronics Co Ltd - Worksop
- Hadham Engineering Ltd - Bishops Stortford
- Hadleigh Castings Ltd - Ipswich
- Hadley Group - Smethwick
- Hadrian Farm Services Ltd - Hexham
- Hadron Engineering Ltd - Mitcheldean
- Haemmerlin Ltd - Dudley
- Haesler Machine Tools - Stevenage
- Hafele Ltd - Salford
- Hafele Ltd - Woodford Green
- Hafele UK Ltd - Rugby
- Hafod Trailers - Llandysul
- HAG Shutters and Grilles Ltd - Bristol
- Hagans Leisure - Ballyclare
- Hagemeyer Industrial (HCA Barron) - Bletchley
- Hagemeyer Industrial (HCA Meldrum) - Blaydon on Tyne
- Hagemeyer Industrial (HCA Nyquist) - Hull
- Hagemeyer Industrial (HCA Ross) - Livingston
- Hagemeyer Industrial (HCA) - Wolverhampton
- Hagemeyer Industrial (WF Wades) - Blackburn
- Hagemeyer Industrial (WF Wades) - Canterbury
- Hagemeyer Industrial (WF Wades) - Chandlers Ford
- Hagemeyer Industrial (WF Wades) - Ipswich
- Hagemeyer Industrial (WF Wades) - Manchester
- Hagemeyer Industrial (WF Wades) - Norwich
- Hagemeyer Industrial (WF Wades) - Redditch
- Haggart Commercial Marine - Plymouth
- Hagger Brown Technology Ltd - Corbridge
- Hagley Engineering Ltd - Dudley
- Hagley Steel Trading - Stourbridge
- Hagon Products Ltd - Ilford
- Hague Electrical Services Ltd - Glossop
- Haig Engineering - Southampton
- Haigh and Ellis - Huddersfield
- Haigh Engineering (Northwest) Ltd - Kirkby
- Haigh Engineering and Technology Ltd - Cleckheaton
- Haigh Engineering Co Ltd - Ross on Wye
- Hailcon Engineering - Romford
- Hainsworth Laundry Supplies - Pudsey
- Hainult Pallets - Upminster
- Haironville TAC Ltd - St Helens
- Haith Industrial Ltd - Worksop
- Haki Ltd - Tamworth
- Halco Drilling International Ltd - Halifax
- Halcrow Water Services Ltd - Chatham
- Haldex Brake Products Ltd - Redditch
- Haldo Developments Ltd - Bury St Edmunds
- Hale Hamilton (Valves) Ltd - Uxbridge
- Hale Products Europe Ltd - Warwick
- Hale Signs - Aylesbury
- Halesowen Business Services Ltd - Halesowen
- Halesowen Components Ltd - Halesowen
- Halesowen Fasteners and Patterned Turned Parts - Bilston
- Halesowen Gas Services - Cradley Heath
- Halford Forge - Shipston on Stour
- Halifax Fan Ltd - Brighouse
- Halifax Ironworks - Sowerby Bridge
- Halifax Land and Water Ltd - London
- Halifax Process Engineering Ltd - Halifax
- Halifax Rack and Screw Cutting Co Ltd - Brighouse
- Halifax Sheet Metal and Ventilation Ltd - Halifax
- Hall and Blenkinsop - Houghton le Spring
- Hall and Botterill Ltd - Leeds
- Hall and Cockayne - Macclesfield
- Hall and Kay Fire Engineering - Manchester
- Hall and Kay Fire Engineering - Windsor
- Hall and Letts Ltd - Blackburn
- Hall and Mccague Design - Retford
- Hall and Pickles - Newport (Gwent)
- Hall and Pickles - Stockport
- Hall Bros (Lifting Gear) Ltd - Watford
- Hall Engineering (Wales) Ltd - Caerphilly
- Hall Holmes and Co Ltd - Stockport
- Hall Instrument and Engineering Services Ltd - Redcar
- Hall Scrap Metals - West Drayton
- Hallam EC Engineering (Leicester) Ltd - Leicester
- Hallam Joinery - Lewes
- Hallam Pine - Sheffield
- Hallam Polymer Engineering Ltd - Dronfield
- Hallam Steelstock Ltd - Sheffield
- Hallcalm (UK) Ltd - Hartlepool
- Hallen Engineering Ltd - Wednesbury
- Hallett - Crewkerne
- Halley Worldwide Supply - Glasgow
- Hallfield Joinery - Strathaven
- Halliburton - Aberdeen
- Halliburton - Tewkesbury
- Halligan Associates - Birmingham
- Hallite Seals International Ltd - Hampton
- Hallmark Fire Ltd - Rochester
- Hallmark Healy Ltd - Southend on Sea
- Hallmark Kitchens Ltd - Edenbridge
- Hallmark Registrations Cherished Number Buyer - Brigg
- Hallmark Tractors (Cubley) Ltd - Ashbourne
- Hallmason Design Ltd - Winsford
- Hallrite Precision Engineering - Chesterfield
- Halls Garden Products Ltd - Aylesford
- Halls Locksmiths Ltd - Nottingham
- Halls Scrap Metals - Chester le Street
- Hallward Tools Ltd - Stockport
- Hallwood Kitchens and Bedrooms - Carrickfergus
- Halmore Engineering Services Ltd - Gloucester
- Halstead Boilers Ltd - Halstead
- Halstead Plating Services Ltd - Halstead
- Halston Technical Services (Engineering) Ltd - Dalkeith
- Halton Fabrications Ltd - Runcorn
- Halton Products Ltd - Witham
- Halyard (M and I) Ltd - Salisbury
- Halyard Fabrications Ltd - Wimborne
- Ham Baker Ltd - Stoke on Trent
- Ham-Let - Haywards Heath
- Hamble Ropes and Rigging Ltd - Southampton
- Hamble Yacht Services Ltd - Southampton
- Hambleton Pine - York
- Hambleys Ltd - Holsworthy
- Hamdden Caravans - Caernarfon
- Hamer Goodlad - Sheffield
- Hamer Goodlad and Co Ltd - Sheffield
- Hamer Goodlad and Co Ltd - Sheffield
- Hamer Plant - Manchester
- Hamer Stevenson Ltd - Oldham
- Hamersley Europe Pty Ltd - London
- Hamilton and Croft - Pontefract
- Hamilton and Howard - London
- Hamilton and Inches Ltd - Edinburgh
- Hamilton Brimer - Morpeth
- Hamilton Bros Engineering Ltd - Argyll
- Hamilton Brothers (Engineering) Ltd - Johnstone
- Hamilton Clark - Preston
- Hamilton Edge Tools Ltd - Cwmbran
- Hamilton Fewster Engineering Consultants - Wedmore
- Hamilton Lichfield Ltd - Rugeley
- Hamilton Medical Ltd - Birmingham
- Hamilton Power Products - Colchester
- Hamilton Precision Ltd - Basildon
- Hamilton Precision Ltd - Buckingham
- Hamilton Publications Ltd - Manchester
- Hamilton Screenprinting and Signs - Ilford
- Hamilton's Property Ltd - Norwich
- Hamiltons - Bradford
- Hamiltons Joinery Ltd - Plymouth
- Hamish Moir - Fochabers
- Hamlet Joinery - St Austell
- Hamlin Jet Ltd - St Albans
- Hamlin RPD Ltd - Leamington Spa
- Hamlyn Engineering Co - Hayes
- Hammal Cabinet Makers - Stockton on Tees
- Hamman Metals Ltd - Tonbridge
- Hammer and Tongs - Newton Abbot
- Hammer and Tongs - Tring
- Hammerhead - Derby
- Hammersley's Engineering Services (HES) - Rugeley
- Hammersmith Engineering Ltd - Bristol
- Hammerstones Ltd - Elland
- Hammond and Company Ltd - Hemel Hempstead
- Hammond and Taylor Superlift Ltd - Grimsby
- Hammond Bindery Ltd - Wakefield
- Hammonds - Abingdon
- Hammonds - Altrincham
- Hammonds - Colchester
- Hammonds - Hove
- Hammonds - Ilford
- Hammonds - Llanelli
- Hammonds Concession - Eastbourne
- Hammonds Studios - Hinckley
- Hamon UK Ltd - Hull
- Hampco Ltd - Aberdeen
- Hampshire Blind Design Co Ltd - Basingstoke
- Hampshire Coating - Basingstoke
- Hampshire Commercial Aluminium Systems Ltd - Fareham
- Hampshire Hose Services Ltd - Southampton
- Hampshire Metal Craft - Aldershot
- Hampshire Quad and Bike - Andover
- Hampshire Technical Supplies Ltd - Farnborough
- Hampson Aerospace Machining Ltd - Alcester
- Hampson Aerospace Machining Ltd - Birmingham
- Hampson Aerospace Machining Ltd - Leicester
- Hampson Industries plc - Brierley Hill
- Hampton Plating Co (Birmingham) Ltd, The - Birmingham
- Hampton Steel Sections Ltd - Wellingborough
- Hampton Utillities - Coventry
- Hamsey Trading Ltd - Wallington
- Hamworthy Compressor Systems Ltd - Gloucester
- Hamworthy Engineering Ltd - Stockport
- Hamworthy Heating Ltd - Poole
- Hamy Products Ltd - Bournemouth
- Hanbben Caravans and Accessories - Porthmadog
- Hanchett Industrial Products LLP - Haverhill
- Hancox Ltd - Birmingham
- Hand and Partners - Stoke on Trent
- Hand Crafted Pine - Wakefield
- Hand Crafted Signs - Sandwich
- Hand Pallet Truck Services Ltd - Barnsley
- Handcraft Joinery Ltd - Barking
- Handcraft Pine - Glasgow
- Handi Care - Nottingham
- Handicart Follies - Taunton
- Handles and Fittings Ltd - Hertford
- Handley and Beck - Runcorn
- Handley Steel Ltd - Tipton
- Handling Concepts Ltd - Bromsgrove
- Handling Design Ltd - Peterborough
- Handling Techniques - Stonehouse
- Handlink Ltd - Nottingham
- Handmade Pine Products - Bishops Stortford
- Handmade Shoes Ltd - Leighton Buzzard
- Handmark Engineering Co Ltd - Barrow in Furness
- Hands International Industries Ltd - Worcester
- Handshire Ltd - Heanor
- Handsworth Precision Tools - Sheffield
- Handtmann Ltd - Luton
- Handy Engineering Services - Worcester
- Hane Instruments Ltd - Slough
- Hane Paint and Powder Finishers - Bognor Regis
- Hanford Construction Steelwork - Bristol
- Hanford Trailer Spares - Stoke on Trent
- Hang Ups Accessories Ltd - Cirencester
- Hang With Style - Radlett
- Hangar Marine Fabrications Ltd - Plymouth
- Hankoe Stove Enamelling Co Ltd - Slough
- Hanley and Woods - Manchester
- Hanley Precision Tools - Banbury
- Hanley Smith Ltd - Harlow
- Hanman Surface Technology - Stroud
- Hannaford Forensic Services - Presteigne
- Hannaford Forensic Services Ltd - Surbiton
- Hannaford Upright - Woking
- Hannam Polishing - Attleborough
Hanningfield Process Systems Ltd - Rochford- Hanover Displays Ltd - Lewes
- Hanover Transmissions - Aldershot
- Hanratty Bros Ltd - Darlington
- Hanrattys - Sunderland
- Hans Grohe Ltd - Esher
- Hans Lingl UK Ltd - Congleton
Hansen Transmissions Ltd - Huddersfield- Hansengroup Ltd - Knutsford
- Hansens Kitchen Equipment Ltd - London
- Hansford Durley Harban - Banbury
- Hanshel Seals and Mouldings Ltd - Gloucester
- Hanson and Pattison - York
- Hanson Auto Supplies - Exeter
- Hanson Engineering - Ossett
- Hanson Engineering / Hanson Instruments - Redditch
- Hanson Engineering Precision - Sheffield
- Hanson Springs Ltd - Rochdale
- Hanson Support Services Ltd - Scunthorpe
- Hants and Dorset Caravan Centre Ltd - Waterlooville
- Hants Light Plane Services Ltd - Stockbridge
- Happy Hedgehog Wrought Ironsmiths - Crawley
- Harber Engineering Co - Dukinfield
- Harbor Precision Engineering - Reading
- Harborne Motor Specialists - Birmingham
- Harborough Battery Services - Market Harborough
- Harbottle - Brighton
- Harbour and General Works Ltd - Milton Keynes
- Harbourne Design Group - Newton Abbot
- Harbridge (Sheet Metal) Ltd - Bristol
- Harbridge Engineering Co Ltd - Guildford
- Harbruc Engineering Co Ltd - East Grinstead
- Harco Engineering - Brierley Hill
- Harcol Ltd - Walsall
- Harcombe Engineering Ltd - Seaton
- Harcon Sheet Metal Ltd - Huddersfield
- Harcourt Automatic Productions Ltd - Erith
- Harcross Engineering (Barnstaple) Ltd - Barnstaple
- Harcross Engineering Co Ltd - Walton on Thames
- Hard Anodising Ltd - Kidderminster
- Hard Chrome Plating and Grinding - Newark
- Hardchrome Poole Ltd - Poole
- Hardchrome-BHAM Ltd - Wednesbury
- Hardi - Rugby
- Hardie Steel Fabrication - Bedford
- Hardinge Bridgeport Machines Ltd - Leicester
- Hardinge Machine Tools Ltd - Exeter
- Hardings Bridge Engineering - Ashford
- Hardings Machinery Ltd - Tipton
- Hardmetal Eng (T/u Tungsten Carbide Eng Ltd) - Redruth
- Hardware Components - Tipton
- Hardware Design and Engineering - Birmingham
- Hardwick Engineering - Warrington
- Hardwicke Agricultural Engineers - Scarborough
- Hardwicke Enterprises - Gloucester
- Hardwood Products - Derby
- Hardwood Warehouse - Glenrothes
- Hardy Advanced Composites - Alnwick
- Hardy Engineering Ltd - Burnham on Crouch
- Hardy JJ and Sons Ltd - Hartlepool
- Hardy Sheet Metal - St Albans
- Hardy Signs - Burton on Trent
- Hardy UK Ltd - Bootle
- Hardys - Lancing
- Hardys Hardware and General Store - Newtownards
- Hare Tooling - Bristol
- Hares of Snape Ltd - Bedale
- Harewood Joinery - Hull
- Harford Control - Trowbridge
- Harford Manufacturing Ltd - Norwich
- Harger - Bury St Edmunds
- Hargood Engineers Ltd - Southport
- Hargreaves and Auty - Otley
- Hargreaves and Monkhouse - Skipton
- Hargreaves Ashmarketing Ltd - Leeds
- Hargreaves Foundry Ltd - Halifax
- Hark Northgreaves (Engineers) Ltd - Deeside
- Harland Construction - Scunthorpe
- Harland Machines Systems Ltd - Salford
- Harlech Tool and Engineering Co Ltd - Swansea
- Harlequin Blinds - Stockport
- Harlequin Drawing and Design Ltd - Northampton
- Harlequin Kitchens - Manchester
- Harlequin Metal Supplies Ltd - Saffron Walden
- Harlequin Print - Birmingham
- Harlequin Products Ltd - London
- Harleston Engineering - Beccles
- Harleston Joinery Ltd - Harleston
- Harlew Caravans - Birmingham
- Harley Engineering Ltd - Huntingdon
- Harley Haddow Partnership - Edinburgh
- Harley Horseboxes - Truro
- Harling Engineering Services Ltd - Lancaster
- Harling Foundries Ltd - Hastings
- Harlington Straker Group Ltd - Billingham
- Harlock Joinery Ltd - Redditch
- Harlow Group Ltd - Harlow
- Harlow Pressings Ltd - Cwmbran
- Harlow Spraytech Ltd - Harlow
- Harmill Systems Ltd - Leighton Buzzard
- Harmills - Derby
- Harmony Bedrooms By Design - Shrewsbury
- Harmony Business and Technology - Milnthorpe
- Harmony Therapies - Boston
- Harnam Engineering Works - Hayes
- Harnden - Hyde
- Harness Engineering Ltd - Chelmsford
- Harnischfeger Uk Ltd - Wigan
- Harold Engineering Ltd - Coulsdon
- Harold Hayles Ltd - Newport (IOW)
- Harold Kemp and Co - Liphook
- Haroys Ltd - Poole
- Harp Engineering - Smethwick
- Harpbrand Engineers Ltd - Ilkeston
- Harpenden Engineering Services Ltd - Welwyn Garden City
- Harper and Eede Ltd - Lewes
- Harper and Simmons Ltd - Redditch
- Harper Engineering Ltd - Wolverhampton
- Harpur Precision Engineering Ltd - Woking
- Harraby Hyder - London
- Harrier Engineering Ltd - Scunthorpe
- Harrier Fluid Power Ltd - Ludlow
- Harrier Pneumatics Ltd - Bristol
- Harries - Carmarthen
- Harrington Generators International Ltd - Matlock
- Harringtons Fabrications Ltd - Ware
- Harris and Taylor - Sheffield
- Harris and Waley Ltd - Leicester
- Harris Automation Ltd - Watford
- Harris Beds - Grantham
- Harris Furnaces - Hope Valley
- Harris Geofferey - Reading
- Harris Lord Group Ltd - Horsham
- Harris Marine and Engineering - Isle of Harris
- Harris Metals - Saffron Walden
- Harris Pipework Fabrications Ltd - Willenhall
- Harris Precision Engineering Ltd - Bedford
- Harris Pye Marine Ltd - Barry
- Harris RCS Ltd - Coventry
- Harris Regrinds - Stevenage
- Harris S D Ltd - Bridgwater
- Harris Slate and Stone Ltd - Carmarthen
- Harris Springs Ltd - Reading
- Harris Utilities - Maidstone
- Harris Walton Lifting Gear Ltd - Brierley Hill
- Harrison and Hutchinson Ltd - Morecambe
- Harrison and Taylor - Chorley
- Harrison Billet - Sittingbourne
- Harrison Castings Ltd - Leicester
- Harrison Eastwood - Inverurie
- Harrison Engineering - Clitheroe
- Harrison Europac Ltd - Sutton
- Harrison Gunner Associates - Farnham
- Harrison Industrial Sales - Northampton
- Harrison JT - York
- Harrison Lubrication Engineering Ltd - Bolton
- Harrison North East Ltd - Doncaster
- Harrison Parks Homes - Hartlepool
- Harrison Pine and Interiors - Burton on Trent
- Harrison Saw and Tool Ltd - Rossendale
- Harrison Silverdale Ltd - Sheffield
- Harrison William and Sons (Falkirk) - Larbert
- Harrison's - Lincoln
- Harrold Signs - Bedford
- Harrop Installations - Abingdon
- Harrow Blinds - Harrow
- Harrow Tool Co Ltd - London
- Harrwil Engineering - Carlisle
- Harry Dalby Engineering Ltd - Leicester
- Harry F Rochat Ltd - Barnet
- Harry Hall - High Peak
- Harry Hockly Motor Sport Ltd - Newtown
- Harry Levy Amusement Contractor Ltd - Broadstairs
- Harry Maiden Ltd - Montrose
- Harry Major Machine UK Ltd - Sandy
- Harry Marsh (Engineers) Ltd - Sunderland
- Harry Mendelssohn - Edinburgh
- Harry Needle Railroad Co - Chesterfield
- Harry Turnbull Ltd - Hawick
- Harry Warren - Lincoln
- Harry's Screw Machine Services Ltd - Holsworthy
- Harsco Track Technology Ltd - Nottingham
- Hart Automation Ltd - Luton
- Hart Blinds - Cambridge
- Hart Door Systems Ltd - Newcastle upon Tyne
- Hart Engineering/Fred Hart - Chester le Street
- Hartcrown Ltd - London
- Hartford Engineering - Winsford
- Harthill Developments Ltd - Sheffield
- Hartland Manufacturing - Penryn
- Hartle IGE Ltd - Stalybridge
- Hartley - Farnham
- Hartley Leisure - Cramlington
- Hartnoll Ltd - Watford
- Hartom Fabrications - St Albans
- Hartoms - Borehamwood
- Harts Pallets - Chorley
- Hartshill Precision Turning - Nuneaton
- Hartwood Elite Horseboxes - Preston
- Harvard Signs - London
- Harvel Engineering - Rossendale
- Harven - Hartlepool
- Harver Packaging Co Ltd - Manchester
- Harvest Moon - Southport
- Harvest Pine - Nantwich
- Harvey and Snowdon - Salisbury
- Harvey Manchester Ltd - Manchester
- Harvey Servicing - Bristol
- Harvey T W - Honiton
- Harvey's Sewing Machines - Romford
- Harvie Tyres Ltd - Lytham St Annes
- Harwell Engineering Ltd - Oldbury
- Harwoods - Waterlooville
- Harwoods Blinds - Darwen
- Harwoods Of Richmond Ltd - Richmond
- Haskel Energy Systems Ltd - Sunderland
- Haskell and Co - Newark
- Haskoning UK Ltd - Exeter
- Haslams Engineering - Wellington
- Hasland Engineering Ltd - Chesterfield
- Hastech Ltd - Ellon
- Hastings Clements and Leach Ltd - Bristol
- Hastings Metal Finishers Ltd - Hebburn
- Hastings Motor Sheet Metal Works - St Leonards on Sea
- Haswell Associates Ltd - Chelmsford
- Hatcher Joinery Contractors - Redhill
- Hatfield Catering Equipment - Chesterfield
- Hatherley Commercial Services Ltd - Newark
- Hathern Forge - Loughborough
- Hatton Pine Barn - Warwick
- Hatz (Great Britain) Ltd - Hinckley
- Haughey Metals - Armagh
- Haughton Design Ltd - Stafford
- Haulfryn Park Homes Ltd - Warrington
- Haulotte - Telford
- Hausherr UK Ltd - Chesterfield
- Hautin Ltd - Billingham
- Havant Sheet Metal Co Ltd - Havant
- Havard and Co Ltd - Evesham
- Haven Grange - Stoke on Trent
- Haven Interiors - Birmingham
- Haven Signs - Peacehaven
- Haven Trailaway - Woodbridge
- Haverfordwest Tyre and Exhaust Centre - Haverfordwest
- Havering Engineering Supplies Ltd - Dagenham
- Haverscroft Pine - Attleborough
- Hawes Engineering - Belvedere
- Hawk Engineering (Sheffield) Ltd - Sheffield
- Hawk Engineering Ltd - Warwick
- Hawk Fasteners Ltd - Middlesbrough
- Hawk Joinery - Leeds
- Hawk Precision - Crewe
- Hawk Structures Southern Ltd - Salisbury
- Hawker Pacific Aerospace Ltd - Hayes
- Hawkes Technical Ltd - Wellingborough
- Hawkesley Engineering Ltd - Birmingham
- Hawkins and Youle - Bristol
- Hawkins Industrial Supplies - Burton on Trent
- Hawkins Insulations Ltd - Bristol
- Hawkins Steel Consultants - Kingswinford
- Hawkline - Tipton
- Hawkmoor Ltd - Newton Abbot
- Hawksley and Sons Ltd - Lancing
- Hawkstone Joiner Ltd - Market Drayton
- Hawley Engineering - Liverpool
- Haworth Castings Ltd - Romsey
- Haworth Leisure - Rochdale
- Hawthorn Blinds - Guisborough
- Hawthorn Metals - Irvine
- Hawthorn Trading Co Ltd - Smethwick
- Hawthorne Boyle Partnership - Greenock
- Haxby Blinds - York
- Haxton - Littlehampton
- Hay Engineering - Gosport
- Hay Hill Interiors - London
- Hay Metal Craft - Houghton le Spring
- Hay-Tech Engineering - Bracknell
- Haycock and Hague (Pipework) Ltd - Selby
- Haycock and Hague Pipework Ltd - Selby
- Haydn Morris Alloys Ltd - Sheffield
- Haydn Morris Alloys Ltd - Sheffield
- Haydn Powell BCD Ltd - Pontypool
- Haydon Marketing Ltd - Droitwich
- Haydon Precision Turned Parts Ltd - Hailsham
- Hayes - Manchester
- Hayes Arundel Design Ltd - Castleford
- Hayes Autoparts - Stourbridge
- Hayes Engineering Services Ltd - Cardiff
- Hayes Fabrications Ltd - Uttoxeter
- Hayes Properties Ltd - Dungannon
- Hayfield Engineering Ltd - Wolverhampton
- Hayles Pressings Ltd - Stockport
- Hayley East Anglia - Kings Lynn
- Hayley Group plc - Halesowen
- Hayley Technical Bearing Consultants - Bolton
- Hayley Wales - Newport (Gwent)
- Hayley Windows and Conservatories Ltd - Stourbridge
- Hayloft Woodwork - London
- Haylyn Garden Ornaments - Mansfield
- Haymarch Engineering Services Ltd - Wimborne
- Hayne-West - Ross on Wye
- Haynes - Bolton
- Haynes Agricultural Ltd - Ashford
- Hays Secure Destruction - Sheffield
- HayssenSandiacre Europe Ltd - Nottingham
- Hayter Engineering - Salisbury
- Hayter Ltd - Bishops Stortford
- Hayward and Cook Ltd - Birmingham
- Hayward Carey and Vinden - Bicester
- HAYWARD INDUSTRIAL PRODUCTS GmbH - Colchester
- Hayward Mills Associates - Nottingham
- Hayward Tyler Group Ltd - Luton
- Haywood - Nottingham
- Haywood Engineering Services - Stafford
- Hazel Moore Artist Blacksmiths - Chippenham
- Hazell's Total Engineering Ltd - Dukinfield
- Hazelwood Ltd - Cardiff
- Hazlemere Window Company Ltd - High Wycombe
- HB Aluminium Fabrication Ltd - Leeds
- HB Bearings - Huddersfield
- HB Humphries and Co Ltd - Kettering
- HB Joinery and Timber - Birmingham
- HB Office Services Ltd - Hastings
- HB Sign Co Ltd - Stockport
- HBC Engineering Solutions Ltd - Sheerness
- HBD Engineering - Harlow
- HBM (UK) Ltd - Harrow
- HC Fabrications Ltd - Newcastle upon Tyne
- HC Hill Ltd - Beckenham
- HC Holifield (Oxford) Ltd - Abingdon
- HC Slingsby plc - Shipley
- HC Wilcox Fabrications Ltd - Northampton
- Hca Engineering Ltd - Keith
- Hch Engineering - Cradley Heath
- HCL Fluid Power Ltd - Croydon
- HCL Safety Ltd (Mansafe Installers) West London - Brentford
- HCM Engineering Ltd - Stourbridge
- HCM South Wales Ltd - Neath
- HCS Services - North Shields
- HCT International Industry Ltd - Manchester
- HD Collins Ltd - Waltham Cross
- HD Simpson and Co Ltd - Smethwick
- HDD Solutions - Highbridge
- HDS - Smethwick
- HDS Design Consultants Ltd - Rochford
- HE and BS Benson Ltd - Newmarket
- He and J Stone Ltd - Dunmow
- HE Butters and Co - Newcastle under Lyme
- HE Savill - Scarborough
- HE Woolley Ltd - Middlesbrough
- He-Man Dual Controls Ltd - Southampton
- Head Mann Associates Ltd - Leamington Spa
- Head Spec - Sutton in Ashfield
- Head Start Team Events Ltd - Smallfield
- Headland Engineering Developments Ltd - West Bromwich
- Heads and All Threads Ltd - Birmingham
- Headset Services Ltd - Shoreham by Sea
- Headway Home Improvements - Whitstable
- Heald Ltd - Hornsea
- Healey and Sprowson Ltd - Stockport
- Health Safety and Engineering Consultants Ltd - Ashby de la Zouch
- Healthcheck Services Ltd - Rochester
- Healy Ltd - Bradford
- Healy's The Tool Specialist Ltd - Hatfield
- Heap and Digby - Carshalton
- Heap and Digby Ltd - Oxted
- Heap and Partners Ltd - Manchester
- Heap and Partners Ltd - Wirral
- Heap and Preece - Barnoldswick
- Heap Dawson Ltd / Heap Economiser Ltd - Rochdale
- Heaps Arnold and Heaps Ltd - Rotherham
- Heard GE and Sons - Portsmouth
- Hearing Health and Mobility Centre - Northampton
- Hearl Heaton Ltd - Liversedge
- Heartbeat Manufacturing Co (Redditch) Ltd - Redditch
- Heartlands Extrusion Forge Ltd - Birmingham
- Heartline Medical - Wetherby
- Heasman and Sadler Ltd - Faringdon
- Heason Technology Ltd - Horsham
- Heat and Control Pty Ltd - Livingston
- Heat and Power Services Ltd - Hull
- Heat and Precision Ltd (T/u Trac Heaton) - West Bromwich
- Heat Care Boiler Services - Spalding
- Heat Care Services Ltd - Glasgow
- Heat Exchange Industries Ltd - Derby
- Heat Exchanger Services Ltd - Holsworthy
- Heat Fabrications Ltd - Ossett
- Heat Plant Services - Bracknell
- Heat Safe UK - Wellingborough
- Heat Seal (Leicestershire) Ltd - Melton Mowbray
- Heat Trace Northern - Carnforth
- Heat Trace UK Ltd - Sunderland
- Heat Transfer Systems Ltd - Buxton
- Heat Treat Services (A Division of ALMOR Ltd) - Nottingham
- Heat Treat Services Ltd - Stourbridge
- Heat Treatment (2000) Ltd - West Bromwich
- Heat Treatments (Northampton) Ltd - Northampton
- Heatcare - Sutton
- Heaters and Boilers Direct Ltd - Pulborough
- Heatexchangers Southwest Ltd - Bodmin
- Heath Bathrooms Ltd - Burgess Hill
- Heath End Engineering - High Wycombe
- Heath Engineering - Widnes
- Heath Filtration Ltd - Stoke on Trent
- Heath Moto Cross and Enduro - Sandy
- Heath Recycling - Halifax
- Heath Tecna - Camberley
- Heathcote Engineering Co - Amlwch
- Heatherside Engineering Ltd - Arlesey
- Heathmere (UK) Ltd - Haywards Heath
- Heathrow Fasteners - Feltham
- Heathyards Engineering Co Ltd - Walsall
- Heating 2 Order - Cheltenham
- Heating and Plumbing Maintenance - Colchester
- Heating and Ventilating Contractors Association - London
- Heating Maintenance - Bedford
- Heating Maintenance - York
- Heating Services - Preston
- Heating World Ltd - Birmingham
- Heaton Green Dust Control Ltd - Batley
- Heatons Engineering Ltd - Leyland
- Heatons Mechanical Ltd - Stockport
- Heatray Co Ltd - Bromsgrove
- Heatrek Refractories Ltd - Skelmersdale
- Heatric - Poole
- Heatstore / Addvent - Bristol
- Heatwave Heating Services - Wallington
- Heatwave Services - Cambridge
- Heavenly Decor Ltd - Egham
- Heavers of Bridport Ltd - Bridport
- Heavey and Co (Engineers) Ltd - Manchester
- Heavy Equipment Parts - Coulsdon
- Heavy Metal Bed Co Ltd - Nottingham
- Heavyparts Hydraulics Ltd - Rochdale
- Hebron and Medlock Ltd - Bath
- HEC Precision Ltd - Southall
- Hector Miller - London
- Hector Moore Ltd - Keighley
- Hedinair Ovens Ltd - Wickford
- Hedingham Omnibuses Ltd - Clacton on Sea
- Hedley (Engineering Services) Ltd - South Shields
- Hedley Alarm and Towing - Durham
- Hedley Hydraulics Ltd - Wakefield
- Hedley Parkerstore - Gateshead
- Hedley Walker (UK) Ltd - Bradford
- Heeler Engineering - Northampton
- Heeley Stairparts Ltd - Sheffield
- Heelman Ltd - Ludlow
- Heerema Hartlepool - Hartlepool
- Heeroma Mobility Care Centre Ltd - Ipswich
- Hegarty Fitted Furniture Ltd - Castlederg
- Heidenhain (GB) Ltd - Burgess Hill
- Heightec Group The - Kendal
- Heights Technologies - Halifax
- Heil Europe Ltd - Dunfermline
- Hein Gericke UK Ltd - Birmingham
- Hein Gericke UK Ltd - Dudley
- Hein Gericke UK Ltd - Portsmouth
- Hein Gericke UK Ltd - Slough
- Heinrich Buehnen Ltd - Basingstoke
- Heinrich Georg UK Ltd - Wolverhampton
- Heirloom Furniture Ltd - Blackwood
- Heitz Engineering - Dereham
- HEL Ltd - Barnet
- Helander Precision Engineering Ltd - Tewkesbury
- Helapet Ltd - Dunstable
- Helbar Automation Ltd - Hockley
- Heldite Ltd - Hounslow
- Hele Bay Precision Engineering Co - Barnstaple
- Helical Components Ltd - Coventry
- Helical Technology Ltd - Lytham St Annes
- Helicentre Blackpool Ltd - Blackpool
- Helifix Ltd - London
- Heliform Processes Ltd - Malvern
- Helios Precision Engineering - Hartlepool
- Helipebs Controls Ltd - Gloucester
- Helispares Ltd - Andover
- Helitechnique International Ltd - Stratford upon Avon
- Helitune Ltd - Torrington
- Helium3 Design Ltd - Winchester
- Helix Services Consultancy - Reading
- Helix Tools - Leeds
- Hella Manufacturing Ltd - Banbury
- Hellens Fabrications - Sunderland
- Heller Machine Tools Ltd - Redditch
- Hellier Performance Ltd - Waltham Abbey
- Hellings Fabrications - Margate
- Hellma UK Ltd - Southend on Sea
- Helmrick Engineers Ltd - Dewsbury
- Helmsman (WB Bawn and Co Ltd) - Bury St Edmunds
- Help Shop - Oldham
- Helping Hand Products - Swansea
- Helpline Metal Services - Harpenden
- Helston Engineering Ltd - Walsall
- Hemco Power and Control Systems Ltd - Eastleigh
- Hemel Lock Centre Ltd - Hemel Hempstead
- Hemel Plumbing and Building Supplies Ltd - Hemel Hempstead
- Hemel Tooling and Pressings Ltd - Hemel Hempstead
- Hemlock Engineering Ltd - Nottingham
- Hemming Engineering - Bucknell
- Hempel Special Metals Ltd - Wokingham
- Hempstead and Johnson Ltd - High Wycombe
- Hemroe Joinery - Sutton Coldfield
- Hems Anodising Ltd - Wednesbury
- Hemsec Ltd - Kirkby
- Henal Engineering - Hailsham
- Henard Ltd - London
- Henderson Engineering (North East) Ltd - Stockton on Tees
- Henderson Engineering Ltd - Manchester
- Henderson Fabrication - St Andrews
- Henderson Fabrications - Northampton
- Henderson Fitted Furniture Ltd - Hexham
- Henderson Hardware Ltd - Grays
- Henderson Keer - Dundee
- Henderson Kerr Ltd - Bellshill
- Henderson Mines Research - Helston
- Henderson Transmissions - Doncaster
- Henderson TS and Co - Hereford
- Henderson Warnock Consulting Engineers Ltd - Glasgow
- Hendersons Metal Recycling - Ilkeston
- Hendrick Industrial Equipment Ltd - Redditch
- Hendricks Lintels and Heavyside Ltd - Oldham
- Hendrickson Europe Ltd - Northampton
- Hendry Eurohoist Cylinders - Ashington
- Hendry Hydraulics Ltd - Elgin
- Hengbays Ltd - Keighley
- Hengelmolen Engineering Ltd - Tipton
- Henkel Surface Technologies - Milton Keynes
- Henley Engineering - Stoke on Trent
- Henley Forklift Group N I Ltd - Lisburn
- Hennessy Joinery - Tetbury
- Hennig (UK) Ltd - Coventry
- Henor Engineering - Coventry
- Henri Picard and Frere Ltd - Dorking
- Henri's - Reading
- Henrob Ltd - Flint
- Henry A Walton - Hertford
- Henry Flashman - Calstock
- Henry Fleetwood and Sons Ltd - Fochabers
- Henry Gallacher Gasketline Ltd - Stockton on Tees
- Henry Gates and Son Ltd - London
- Henry Harrower - Haddington
- Henry IF (Design) Ltd - Aberdeen
- Henry Kitson - Belfast
- Henry Lewis and Son (Wireworkers) Ltd - Bradford
- Henry Mills - Birmingham
- Henry Smith (Constructional Engineers) Ltd - Winsford
- Henry T Billson (Kettering) Ltd - Kettering
- Henry Taylor (Tools) Ltd - Sheffield
- Henry Technologies Ltd - Glasgow
- Henry Williams Ltd - Darlington
- Henry Yim Ltd - Pinner
- Henry's - Ashbourne
- Henshaw Engineering - Leeds
- Henshaw Manufacturing (Birmingham) Ltd - Birmingham
- Henshaw Metal Fabrications - Nottingham
- Henwood Church Supplies - Folkestone
- HepcoMotion - Tiverton
- Hepworth Coatings Ltd - Ashton under Lyne
- Hepworth Engineering Ltd - Diss
- Heraeus Noblelight Ltd - Neston
- Herald Joinery - Aylesbury
- Herald Printshop - Orkney
- Herbert Direct - Horsham
- Herbert Fairey and Son - Sheffield
- Herbert Fell - Bury
- Herbert Group - Haverhill
- Herbert Paul Engineering - Fleet
- Herbert Tooling Ltd - Coventry
- Herbridean Engineering - Isle of Lewis
- Herbst Machinery - Omagh
- Hereford Galvanizers Ltd - Hereford
- Hereford Quad Centre - Hereford
- Heritage Blinds - Kettering
- Heritage Engineering - Glasgow
- Heritage Engineering (Swindon) Ltd - Swindon
- Heritage Garden Ornaments - Wetherby
- Heritage Gates and Railings - Rochdale
- Heritage Iron - Leamington Spa
- Heritage Joinery - Cannock
- Heritage Joinery - Manchester
- Heritage Joinery - Newry
- Heritage Motor Works Ltd - Eversley
- Heritage Pine - Bristol
- Heritage Pine - Warlingham
- Heritage Plates - Banbridge
- Heritage Technical Services Ltd - Burton on Trent
- Heritage Windows and Conservatories - Ashton under Lyne
- Heritage Wrought Iron - Grimsby
- Herma UK Ltd - Haverhill
- Hermes Technologies - Hastings
- Hermitage Heating - Thatcham
- Hermitage SM Ltd - Hitchin
- Herne Bay Trailer and Auto Services - Herne Bay
- Heron Cleaning Machine Services - Benfleet
- Heron Joinery - Kingsbridge
- Heron Signs - Buckingham
- Herondata - Stockton on Tees
- Herongrange Ltd - Northampton
- Heronhurst Window and Door Centre Ltd - Abergavenny
- Heronsgate Engineering Ltd - London
- Herrenknecht International Ltd - Sunderland
- Herringshaw V and GE - Arundel
- Herrington Consulting Ltd - Deal
- Herrington Salvage and Breakers - Houghton le Spring
- Herron Engineering - Castlewellan
- Hersham Valves Ltd - Arundel
- Hertford House Ltd - Tunbridge Wells
- Herts and Beds Transmissions Ltd - Baldock
- Herts and Essex Precision Engineers - Dunmow
- Herts Engineering Ltd - Kings Langley
- Herts Heating Ltd - Welwyn Garden City
- Herts Mechanical Handling Services Ltd - Hemel Hempstead
- Herts Precision Engineering Ltd - Harpenden
- Herve Engineering Co Ltd - Southend on Sea
- HERVÉ Engineering Ltd - Southend on Sea
- Hes Engineering Services Ltd - High Peak
- Hesco Corrosion Control Products Ltd - Leeds
- Hescott Engineering Co Ltd - Falkirk
- Hesflo Installations Ltd - Bristol
- Hesing Technology - St Neots
- Hesketh Motor Cycles - Towcester
- Hetra Services Ltd - St Albans
- Hettich International - Salford
- Heveningham Collection - Winchester
- Heventech Mechanical Services Ltd - Ilford
- Heward and Dean (BD) Ltd - Hoddesdon
- Heward and Dean Co Ltd - London
- Hewaswater Ltd - St Austell
- Hewden Access Platforms Ltd - Glasgow
- Hewden Instant Access - Fareham
- Hewden Ltd - Slough
- Hewden Plant Hire Ltd - Bedford
- Hewerton Jenkinson Partnership - Stockton on Tees
- Hewigo (UK) Ltd - Oldbury
- Hewitt and Topham Ltd - Keighley
- Hewitt Fabrications - St Albans
- Hewitt Of Butley Mills Ltd - Woodbridge
- Hewland Engineering Ltd - Maidenhead
- Hewmor Products Ltd - Wolverhampton
- Hewpack Industries - Peterborough
- Hewson and Turrell Ltd - Grimsby
- Hexagon Metrology Ltd - Telford
- Heydon Graphics - Bures
- Heypac Ltd - Aldershot
- Heys Sheet Metal - Burnley
- Heys-Shaw Ltd - Ashton under Lyne
- Heywood and Palmer Engineering Ltd - Ashton under Lyne
- Heywood Joinery - Cambridge
- Heywood Joinery - Newton Abbot
- Heywood Metal Finishers Ltd - Huddersfield
- Heyworth - Burnley
- Heyworth Textile Machinery - Burnley
- HF Bond - Woodbridge
- HF Crick (Engineering Supplies) Ltd - London
- HFC Ltd - Oldham
- HFE Solutions Ltd - Dunfermline
- HFF Ltd - Wokingham
- HFL Industrial and Marine Power - Enfield
- HFM Consulting Engineers Ltd - Manchester
- HFMS Ltd - Havant
- HG Baker - Willenhall
- HG Kippax and Sons Ltd - Huddersfield
- HG Rant Ltd - High Wycombe
- HG Stephenson Ltd - Stockport
- HG Trading (Northern) Ltd - St Helens
- HGP Precision Ltd - Wolverhampton
- HH Pedder and Son - Preston
- HH Welding Services - Maryport
- HHT (Midlands) Ltd - Wednesbury
- Hi - Tec Fasteners - Bilston
- Hi - Tech Sheet Metal Ltd - Littlehampton
- Hi - Tech Windows - Stoke on Trent
- Hi -Power Hydraulics Ltd - Wythenshawe
- Hi Class Blinds - Aberdare
- Hi Lite Metal Finishing - Birmingham
- Hi Lo Manufacturing - London
- Hi Q Fabrications - Wigan
- HI Quality Steel Castings Ltd - Chesterfield
- Hi Roller - Sutton Coldfield
- Hi Spec Powder Coatings Ltd - Ipswich
- Hi Tec Cnc - Birmingham
- Hi Tec Lift Systems - Newcastle
- Hi Tech Joinery Ltd - Liverpool
- Hi Tech Mobility - Smethwick
- Hi Tech Welding and Fabrication Services Ltd - Wimborne
- Hi Technical Automation Ltd - Northampton
- Hi Technical Engineering Ltd - Tilbury
- Hi Way Supplies - Margate
- Hi-Cut - Halifax
- Hi-Life Tools - Bedford
- Hi-Life Tools UK Ltd - Nuneaton
- Hi-Line Services (Lichfield) Ltd - Lichfield
- Hi-Lo Flare Systems and Services - Great Yarmouth
- Hi-Pol Metal Finishers - Fareham
- Hi-Press Hydraulics Ltd - High Peak
- Hi-Pro Pressure Products Ltd - Aylesbury
- Hi-Reach Access - Swindon
- Hi-Reach Wales - Cardiff
- Hi-Spec CNC - Darwen
- Hi-Spec Engineering - Fowey
- Hi-Spec Precision Engineering - Oakham
- Hi-Spec Precision Toolmakers Ltd - Cannock
- Hi-Tec Finishers Ltd - Gloucester
- Hi-Tec Signs - Newry
- Hi-Tec Welding and Fabrication Services Ltd - Wimborne
- Hi-Tech - Maidstone
- Hi-Tech Boiler Services - London
- Hi-Tech Design Ltd - Waterlooville
- Hi-Tech Engraving - Trowbridge
- Hi-Tech Machining - Halesowen
- Hi-Tech Precision Engineering - Waterlooville
- Hi-Tech Surface Finishing Ltd - Smethwick
- Hi-Tech Welding - Burton on Trent
- Hi-Tek Products Ltd - Poole
- Hi-Trim Ltd - Stockport
- Hi-Vee Ltd - Crowborough
- Hiatco Ltd - Stanley
- Hibbert Engineering Services Ltd - Manchester
- Hickley Valtone Ltd - Cardiff
- Hickman Interiors - London
- Hickman Steels International Ltd - Bridgnorth
- Hicks Metals and Alloys Ltd - Birmingham
- Hidden Technology International Ltd - Rainham
- Hields CA (Engineers) Ltd - Stockton on Tees
- Hierarchy Welding Equipment Co - Cumnock
- Hiflex Powerbend - Sunderland
- Higar Engineering Ltd - New Milton
- Higgens Engineering Ltd - Reading
- Higgins Alexander and Sons - Stourbridge
- Higgins and Hewins Ltd - Stourbridge
- Higgins Engineering Ltd - Magherafelt
- Higgins Fabrications - Bradford
- Higgins Joinery - Hove
- High and Wide - Wallington
- High Class - Stonehouse
- High Conductivity Alloys Ltd - Seaford
- High Cross Electrical Ltd / HCS Ltd - Newport (Gwent)
- High Design Gates and Railing - Mexborough
- High Integrity Products Ltd - Saffron Walden
- High Lea (Presteigne) Ltd - Presteigne
- High Level Fabrications Ltd - Gateshead
- High Modulus Europe Ltd - Southampton
- High Peak Plant and Safety Training Ltd - Hope Valley
- High Peak Remedial Services - Dukinfield
- High Peak Steels Ltd - Glossop
- High Precision Wales Ltd - Pontypridd
- High Pressure Technologies Ltd - Ashton under Lyne
- High Purity - Guildford
- High Quality Joinery and Aluminium Services - Farnborough
- High Speed and Carbide Ltd - Sheffield
- High Speed Piercing Ltd - Hoddesdon
- High Speed Tractors Ltd - Manchester
- High Staindrop Forge - Bishop Auckland
- High Street Blinds - Berkhamsted
- High Tech Engineering Ltd - Dunstable
- High Tech Tubes Ltd - Byfleet
- High Torque Distribution Ltd - Bellshill
- High Torque Fastener Systems Ltd - Swansea
- High Voltage Maintenance Services Ltd - Dartford
- High&Light Ltd - Wolverhampton
- High-Tech Processing Ltd - Rushden
- Highams Group Ltd - Oldham
- Highbell Ltd - Wokingham
- Highbridge Caravan Centre Ltd - Highbridge
- Highbridge Turned Parts Ltd - Waltham Abbey
- Higher Platforms - Hemel Hempstead
- Higher Platforms Group Plc - Thirsk
- Higher Platforms Ltd - Basildon
- Highfield CNC Engineering Ltd - Hitchin
- Highfield Gear Industries - Huddersfield
- Highfield Joinery - Southampton
- Highfield Pine Centre - Llanelli
- Highfields Plant and Engineering Services - Worksop
- Highgrove Heating - Reading
- Highland Access Ltd - Manchester
- Highland Colour Coaters Ltd - Cumbernauld
- Highland Electroplaters Ltd - Aberdeen
- Highland Engineering Services Ltd - Widnes
- Highland Galvanizers - Elgin
- Highland Industries - Stockport
- Highland Metal Recycling - Isle of Lewis
- Highland Precision Ltd - Thurso
- Highland Roller Shutters - Dingwall
- Highland Smiddy Ltd - Inverness
- Highspec Comms Civils Ltd - Henfield
- Highspeed Engineering Ltd - West Bromwich
- Highway Supplies Ltd - Preston
- Higson Edwards (Steelstock) Ltd - Liverpool
- Hijo Engineering - Witham
- Hilbre Engineering Design Services - Wirral
- Hilco Engineering Ltd - Chelmsford
- Hilding Anders UK Plc - Oldham
- Hildred Engineering Co Ltd - Nottingham
- Hiley Engineering Co (Halifax) Ltd - Halifax
- Hilge Pumps Ltd - Leighton Buzzard
- Hill - Okehampton
- Hill and Webster Ltd - Uttoxeter
- Hill Bros - Dungannon
- Hill Brush Company Ltd, The - Warminster
- Hill Consultants Ltd - Camberley
- Hill Engineering (Catford) Ltd - London
- Hill Ernest H Ltd - Sheffield
- Hill Farm Forge - Manchester
- Hill JW Precision Engineering Ltd - Worcester
- Hill Mason Signs Ltd - Camberley
- Hill Steels - Dudley
- Hill Steels Ltd - Dudley
- Hill Top Sections Ltd - West Bromwich
- Hill Trident - Melton Mowbray
- Hill WH and Son (Holloware) Ltd - Stourbridge
- Hill&Webster Ltd - Ashbourne
- Hill's Street Structures - Armagh
- Hillaldam Coburn Ltd - New Malden
- Hillarys Blinds Ltd - Nottingham
- Hillcliff Tools Ltd - Sheffield
- Hillcreast Engineering - Coventry
- Hillcrest Engineering - Reading
- Hillcrest Machinery and Engineering Portchester Ltd - Fareham
- Hillfax Ltd - Willenhall
- Hillfoot Steel Group Ltd - Sheffield
- Hillglaze Polycar