1. ABCR GmbH
2. Accustandard Inc.
3. Agilent Technologies Inc.
4. AnalytiChem GmbH
5. ASI Standards
6. Bruker Corporation
7. Cambrex Corporation
8. Campro Scientific GmbH
9. Cayman Chemical Company
10. Central Drug House (P) Ltd.
11. Crescent Chemical Co. Inc.
12. CRM LABSTANDARD
13. Extrasynthese
14. FUJIFILM Wako Pure Chemical Corporation
15. GFS Chemicals Inc.
16. Honeywell International Inc.
17. Horiba
Ltd.
18. HPC Standards GmbH
19. HWI pharma services GmbH
20. Inorganic Ventures Inc.
21. Labsert Ltd.
22. LGC Standards Ltd.
23. Mallinckrodt Pharmaceuticals PLC
24. Merck KGaA
25. PerkinElmer Inc.
26. Phenomenex Inc. by Danaher Corporation
27. Qiagen N.V.
28. Restek Corporation
29. Ricca Chemical Company
LLC
30. Shimadzu Corporation
31. SimSon Pharma Limited
32. SMS Pharmaceuticals Ltd.
33. SPEX CertiPrep Inc.
34. Sussex Research Laboratories Inc.
35. Thermo Fisher Scientific Inc.
36. Waters Corporation