| A-Vac Industries | Company profile | visit website |
| Ferrotec | Company profile | visit website |
| Huntington Mechanical Laboratories | Company profile | visit website |
| Insulator Seal | Company profile | visit website |
| MDC Vacuum Products | Company profile | visit website |
| NTE Vacuum Technology | Company profile | visit website |
| Omley Industries | Company profile | visit website |
| PHPK Technologies | Company profile | visit website |
| Precision Metal Works | Company profile | visit website |
| Precision Plus Vacuum Parts | Company profile | visit website |
| Profibus International | Company profile | visit website |
| Saint-Gobain Solcera | Company profile | visit website |
| Scotech | Company profile | visit website |
| U-C Components | Company profile | visit website |
| UHV Design | Company profile | visit website |
| US, Incorporated | Company profile | visit website |