| Company | Address | Telephone |
| Woburn Chemicals Ltd | Chesney Wold, Bleak Hall, Milton Keynes, Bucks | 01908 670081 |
| ABCR-Gelest | Manchester | 0161 226 9843 |
| Hays Chemical Distribution Ltd | Wimborne, Dorset | 01202 884585 |
| Lancaster Synthesis Ltd | Morecambe, Lancs | 01524 36101 |
| Haarman & Reimer | Selby, N Yorks | 01757 703691 |
| Lambson Group | Castleford, W Yorks | 01977 510511 |
| Omnichem Ltd | Leicester,Leics | 0116 269 3020 |
| Annefield Supplies | Carlisle | 01294 313290 |