1. American Elements
2. BASF SE
3. Dr. Paul Lohmann GmbH & Co. KGaA
4. Ebrator Biochemicals Inc.
5. ECHEMI Group
6. Eti Soda Elektrik
7. GHCL Limited
8. HUMENS BIDCO SAS
9. I.V. Labs Inc.
10. Jost Chemical Co.
11. Merck KGaA
12. New Sky Energy
13. Noah Chemicals
14. Oakwood Products Inc.
15. Olimpex Chemicals B.V.
16. ProChem Inc.
17. Reagents
18. Searles Valley Minerals Inc.
19. Shandong Zhongfuji New Material Co. Ltd.
20. Solvay SA
21. Tata Chemicals Ltd.
22. Thermo Fisher Scientific Inc.
23. Weifang Haizhiyuan Chemistry and Industry Co. Ltd.
24. Wuhan Ruifuyang Chemical Co. Ltd.
25. Xena International Inc