Company Index
- H A T International Ltd - Nelson
- H and R ChemPharm (UK) Ltd - Tipton
- H E Charlton & Son Ltd - Sale
- H P G Industrial Coatings Ltd - Dagenham
- H. Freeston & Sons Ltd - Southampton
- H.B. Fuller U.K. Ltd - Dukinfield
- H.S. Pipequipment Ltd - Thatcham
- H20 Chemicals Ltd - Leeds
Hach Lange Ltd - Salford- Hach Ultra Analytics - Chesterfield
- Halcrow - London
- Hall Analytical Laboratories Ltd - Wythenshawe
- Hallmark Fire Ltd - Rochester
- Haltermann Ltd - Middlesbrough
- Hammerite Products Ltd - Prudhoe
- Hammond Chemicals Ltd - Brierley Hill
- Hampshire (R & D Glassware) Ltd - Southampton
- Hampton Works (Stampings) Ltd - Birmingham
- Hamworthy Combustion Engineering Ltd - Poole
- Hamworthy Marine Ltd - Poole
- Handa Fine Chemicals Ltd - Nottingham
- Hanover Company - Aldridge
- Harben Powder Services Ltd - Widnes
- Hardide Ltd - Bicester
- Hardy Craske Fuels Ltd - Ipswich
- Harland Simon UPS Ltd - Milton Keynes
- Harp International Ltd - Pontypridd
- Harrison Oils Ltd - Preston
- Haven Automation Ltd - Swansea
- Hawco Ltd - Godalming
- Hawks Chemical Co Ltd - Hyde
- Hayman Ltd - Witham
- HazChem Systems Ltd - Ashton under Lyne
- Hazell Engineering Ltd - Aberdeen
- HCC Protective Coatings Ltd - Romford
- HCS Control Systems - Glenrothes
- Heat Transfer Systems Ltd - Buxton
- Helapet Ltd - Dunstable
- Henderson Fuels - Coleraine
- Hendor-pe UK Ltd - Manchester
- Henkel Industrial Adhesives - Newark
- Henkel Ltd - Winsford
- Henleycraft Ltd - Portsmouth
- Hexion Speciality Chemicals - Penarth
- HH Valves Ltd - Wigan
- Hi-Fi Industrial Film Ltd - Stevenage
- Hi-Flow Valves Ltd - Bury St Edmunds
- Hi-Spec Lubricants Ltd - Gateshead
- Hibiscus Plc - Leeds
- Hichrom Ltd - Reading
- Higgi Ltd - Wrexham
- High Force Research Ltd - Durham
- High Tech Tubes Ltd - Byfleet
- Highnett Controls - Newbury
- Hillfoot Steel Group Ltd - Sheffield
- Hilton Instruments - Aberdeen
- Hiretec UK - GPS Rentals - Norwich
- Hitech EMS Ltd - Grantham
- Hitek Electronic Materials Ltd - Scunthorpe
- HKL Gas Power Ltd - Birmingham
- HMC Ltd - Thetford
- HMT Rubbaglas Ltd - Bromley
- Hochiki Europe (U.K.) Ltd - Gillingham
- Hockley International Ltd - Stockport
- Hockway Ltd - Redhill
- Hodgson John E - Sunderland
- Hoerbiger Rings & Packings Ltd - Bradford
- Hogg Builders (York) Ltd - York
- Hogg Engineering Ltd - North Shields
- Hoh Oilfield Services Ltd - High Wycombe
- Holland Heating (U K) Ltd - Leatherhead
- Holley Trevor & Jane - Stowmarket
- Holliday Pigments Ltd - Hull
- Holt B G - Hook
- Holt Lloyd Ltd - Stockport
- Honam Oil Ltd - London
- Hone-All Precision Ltd - Leighton Buzzard
- Honeywill and Stein Ltd - Sutton
- Hookins Lubricants - Tiverton
- Horiba Instruments Ltd - Northampton
- Hornett Bros & Co Ltd - Rainham
- Hortifeeds Direct Ltd - Lincoln
- HOSE International Ltd - Aberdeen
- Houghton plc - Manchester
- Houlder Ltd - Aberdeen
- Houlder Ltd - London
- Howden - Renfrew
- Howden Process Compressors - Chesterfield
- HPR (UK) Ltd - Insch
- Hr Wallingford Ltd - Wallingford
- HTS Consultants - Driffield
- Huddersfield Valves Ltd - Bradford
- Hughes Pumps Ltd - Pulborough
- Hunter and Associates - Ashton under Lyne
- Hunting Oilfield Services - Aberdeen
- Hunting plc - London
- Huntingdon Fusion Techniques Ltd - Llanelli
- Huntingdon Life Sciences Ltd - Huntingdon
- Huntsman Corporation UK Ltd - Llanelli
- Hutchinson David - Scarborough
- Hutton and Co (Ships Chandlers) Ltd - Hull
- HVAC and Refrigeration Engineering Ltd - Aberdeen
- Hydra International Ltd - Milton Keynes
- Hydra Technologies Ltd - Swansea
- Hydrachem Ltd - Billingshurst
- Hydrafit Subsea UK Ltd - Aberdeen
- Hydratight Sweeney Ltd - Aberdeen
- Hydratight Sweeney Ltd - Wednesbury
- Hydraulic Analysis Ltd - Leeds
- Hydraulic and Offshore Supplies Ltd - Sunderland
- Hydravalve Ltd - Willenhall
- Hydro Projects Ltd - Norwich
- Hydron Protective Coatings Ltd - Wolverhampton
- Hylomar Ltd - Wigan
