1. Ametek Inc.
2. Angstrom Advanced Inc
3. Bruker Corporation
4. Carl Zeiss AG
5. Carl Zeiss Meditec AG
6. Danaher Corporation
7. Hitachi High-Tech Corporation
8. Horiba Ltd
9. JEOL
Ltd.
10. Leica Microsystems
11. Meditec AG
12. Nikon Corporation
13. Olympus Corporation
14. Tescan GmbH
15. Thermo Fisher Scientific Inc.