1. Agilent Technologies Inc.
2. BGB Analytik AG
3. Bio-Rad Laboratories Inc.
4. Bruker Corporation
5. Centurion Scientific
6. Gilson Inc.
7. GL Sciences Inc.
8. Hamilton Company
9. Hitachi High-Tech Corporation
10. J.K. Shah & Company
11. JASCO Inc.
12. Merck KGaA
13. PerkinElmer Inc.
14. Phenomenex Inc. by Danaher Corporation
15. Quadrex Corporation
16. Regis Technologies Inc.
17. Restek Corporation
18. Sartorius AG
19. SCION Instruments
20. SCION Instruments by Techcomp Europe Ltd.
21. Shimadzu Corporation
22. SRI Instruments
23. SRI Instruments Europe GmbH
24. Sykam GmbH
25. Thermo Fisher Scientific Inc.
26. Trajan Scientific Australia Pty Ltd.
27. Unimicro (shanghai) Technologies Co. Ltd.
28. Valco Instruments Co. Inc.
29. Waters Corporation
30. Welch Materials Inc.