Key Players
- ATEQ Corp
- CETA Testsysteme GmbH
- Cosmo Instruments Co. Ltd
- Donaldson Company
- INFICON
- InterTech Development Company
- LACO Technologies
- Pfeiffer Vacuum
- Roper Technologies Inc
- TASI Group
- Thermax Limited
- Vacuum Instruments
- Vacuum Instruments (Ireland)