1. Aditya Chemicals
2. Ajinomoto Co. Inc
3. ALPS Pharmaceutical Ind. Co. Ltd
4. AMINO GmbH
5. Anaspec Inc.
6. Anhui Huaheng Biotechnology Co. Ltd.
7. BLD Pharmatech Ltd.
8. ChemPep Inc.
9. Donboo Amino Acids Co. Ltd
10. Evonik Industries AG
11. Fengchen Group Co.Ltd
12. Hugestone Enterprise Co. Ltd
13. Iris Biotech GmbH
14. Koninklijke DSM N.V.
15. Kyowa Hakko Bio Co. Ltd.
16. Merck KGaA
17. PepTech Corporation
18. Prinova Group
19. Prinova Group LLC
20. Senova Technology Co. Ltd.
21. Sichuan Tongsheng Amino Acids Co. Ltd
22. Spectrum Laboratory Products Inc.
23. Thermo Fisher Scientific Inc.
24. Tocris Bioscience
25. Tokyo Chemical Industry Co. Ltd.