Company Index
- H and R ChemPharm (UK) Ltd - Tipton
- H B Fuller U K Ltd. - Dukinfield
- H E Charlton & Son Ltd. - Sale
- H K L Gas Power Ltd. - Birmingham
- H O S E International Ltd. - Aberdeen
- H R Wallingford Group Ltd. - Wallingford
- H S Pipequipment Ltd. - Thatcham
- H20 Chemicals Ltd - Leeds
Hach Lange Ltd - Salford- Hall Analytical Laboratories Ltd. - Manchester
- Hallmark Fire Ltd - Rochester
- 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 Water Systems Ltd. - Poole
- Handa Fine Chemicals Ltd. - Nottingham
- Hanover Company - Aldridge
- Harben Powder Services Ltd - Widnes
- Hardide Coatings Ltd. - Bicester
- Hardy Craske Fuels Ltd - Ipswich
- Harland Simon UPS Ltd - Milton Keynes
- Harp International Ltd. - Pontypridd
- Harrison Oils Ltd - Preston
- HAT International Ltd - Nelson
- Haven Automation Ltd. - Swansea
- Hawco Ltd - Godalming
- Hawks Chemical Co. Ltd. - Hyde
- Haycock and Hague (Pipework) Ltd - Selby
- Hayman Ltd. - Witham
- HazChem Systems Ltd - Ashton under Lyne
- Hazdiamond Northwest - Preston
- Hazell Engineering Ltd. - London
- Haztec - Edgware
- 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
- Hess Property Services Ltd. - Aberdeen
- 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 Ltd. - Aberdeen
- Hiretec UK - GPS Rentals - Norwich
- Hitech EMS Ltd - Grantham
- Hitek Electronic Materials Ltd - Scunthorpe
- HMC Ltd - Thetford
- HMT Rubbaglas Ltd - Bromley
- Hochiki Europe (U K ) Ltd. - Gillingham
Hockley International Ltd - Stockport- Hockway Ltd - Redhill
- Hoerbiger Rings and Packings Ltd - Bradford
- Hogg Builders (York) Ltd. - York
- Hogg Engineering Ltd. - North Shields
- Hoh Oilfield Services Ltd. - High Wycombe
- Holdtite Adhesives Ltd - Chester le Street
- Holland Heating (U K) Ltd. - Leatherhead
- Holley Trevor & Jane - Stowmarket
- Holliday Pigments Ltd - Crawley
- Holt Lloyd Ltd - Stockport
- Honam Oil - 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
- Houghton Forestry Services - Ulverston
- Houghton plc - Manchester
- Houlder Ltd - London
- Howden - Renfrew
- Howden Process Compressors - Chesterfield
- HPR (UK) Ltd - Insch
- HTS Consultants - Driffield
- Huddersfield Valves Ltd - Bradford
- Hughes Pumps Ltd. - Pulborough
- Hunter and Associates - Ashton under Lyne
- Hunting Energy Services Ltd. - Aberdeen
- Hunting Plc - London
- Huntingdon Fusion Techniques Ltd - Llanelli
- Huntingdon Life Sciences Ltd - Huntingdon
- Huntsman Corporation U K Ltd. - Llanelli
- Hutchinson David - Scarborough
- Hutton & 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
- 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
