| 3M UK |
Akzo Nobel |
| ALO UK Ltd |
Alphatek Instruments Ltd |
| Applied Energy Products Ltd |
Arkinstall Ltd |
| Arnold Laver & Co Ltd |
BASF Construction Chemicals (UK) Ltd |
| Bell & Webster Concrete Ltd |
Brett Martin Ltd |
| British Gypsum Ltd |
Briton Shutters & Grilles |
| BSI British Standards |
Citroen |
| CPI Mortars Ltd |
Daikin Air Conditioning UK Ltd |
| Dorma UK Ltd |
DuPont Tyvek |
| Easy Price Pro |
Erico Europa (GB) Ltd |
| Expamet Building Products Ltd |
GE Lighting Ltd |
| H.C. Slingsby Plc |
H+H Celcon Ltd |
| Hattersley Newman Hender Ltd |
Hepworth Building Products |
| Hillbrow Solutions Ltd |
Holbrook Insurance Brokers Ltd |
| ITW Construction Products |
Jackson's Pumping Systems Ltd |
| Kemlite Ltd |
Knauf Insulation |
| Kodak Ltd |
Kone Lifts Ltd |
| Konica Minolta |
Kubota (UK) Ltd |
| Laybond Products Ltd |
LexisNexis |
| Marley Plumbing & Drainage |
MasterFoods UK |
| McConnel Ltd |
Metabo (UK) |
| Panduit |
Permarock Products Ltd |
| Polypipe Building Products |
Promethean Ltd |
| R. Hamilton & Co.Ltd |
Rockwell Sheet Sales Ltd |
| Royal Mail (Romec Ltd) |
Sara Lee Corporation |
| Scottish & Southern Energy |
SGS Yarsley Ltd |
| Shire Systems Ltd |
Shorekarn |
| Signs and Signwriting |
Sola Skylights UK Ltd |
| St John Supplies |
Stokvis Energy Systems |
| Tarkett Marley Floors Ltd |
Tarmac Topblock |
| The Angle Ring Company Ltd |
The Dow Chemical Company |
| The Health & Safety Executive |
The Institution of Engineering and Technology |
| Thorn Lighting Ltd |
Trend Control Systems Ltd |
| Tyco International Ltd |
Ultra Electronics |
| Vauxhall Commercial Vehicles |
Vent-Axia Ltd |
| W.H. Brady Co. Ltd |
|