1. Anhui Xingzhou Medicine Food Co. Ltd.
2. Central Drug House (P) Ltd
3. Evonik Industries AG
4. Fuso Chemical Co. Ltd.
5. Hindustan Bec Tech India Pvt. Ltd.
6. Hydrite Chemical Co.
7. JIAAN BIOTECH
8. Jungbunzlauer Suisse AG
9. Merck KGaA
10. NM Enterprises
11. PMP Fermentation Products Inc
12. R-Biopharm AG
13. Roquette Fr?res
14. RUIBANG
15. Ruibang Laboratories
16. Shandong Kaison Biochemical Co.Ltd
17. Shandong Xinhong Pharmaceutical Co. Ltd
18. Shenyang Xingzhenghe Chemical Co. Ltd
19. Spectrum Laboratory Products Inc.
20. Surfachem Group Ltd,
21. Thermo Fisher Scientific Inc.
22. Tokyo Chemical Industry Co. Ltd.
23. Toronto Research Chemicals Inc.
24. Zhejiang Tianyi Food Additives Co. Ltd