| Busch UK | Company profile | visit website |
| Ceetak | Company profile | visit website |
| Ceramic Seals | Company profile | visit website |
| Ceramtec | Company profile | visit website |
| Edwards Vacuum | Company profile | visit website |
| Ferrotec | Company profile | visit website |
| Flowserve Flow Solutions Divn. | Company profile | visit website |
| Greene, Tweed | Company profile | visit website |
| Kedron Engineering | Company profile | visit website |
| Larson Electronic Glass | Company profile | visit website |
| MDC Vacuum Products | Company profile | visit website |
| Meco Seals | Company profile | visit website |
| Megatech | Company profile | visit website |
| MKS Instruments | Company profile | visit website |
| Multiplex Engineering | Company profile | visit website |
| Rigaku | Company profile | visit website |
| Saint-Gobain Solcera | Company profile | visit website |
| Scanwel | Company profile | visit website |
| SCT | Company profile | visit website |
| Trelleborg Sealing Solutions | Company profile | visit website |
| U-C Components | Company profile | visit website |
| Vacuum One | Company profile | visit website |