1. Aarti Industries Limited
2. American Elements
3. Auro Chemical Industries Pvt. Ltd.
4. Gujarat Agri-Chem Industries Private Limited
5. Hawkins Inc.
6. Hill Brothers Chemical Co.
7. Koruma ?irketler Grubu
8. LobaChemie Pvt. Ltd.
9. Merck KGaA
10. Nama Chemicals Company
11. Nedmag B.V.
12. Occidental Petroleum Corporation
13. Oren Hydrocarbons
14. Sahara International Petrochemical Co.
15. SaiChem Industries
16. Sameer Chemicals
17. Shandong Haiwang Chemical Co. Ltd.
18. Sinochem Holdings Corporation Ltd.
19. Sitara Chemical Industries Limited
20. Solvay S.A.
21. Spectrum Chemical Mfg. Corp.
22. Tangshan Sanyou Chemical Industries Co. Ltd.
23. Tata Chemicals Ltd.
24. TETRA Technologies Inc.
25. The Sanmar Group
26. Tiger Calcium Services Inc.
27. Vizag Chemicals
28. Ward Chemical
29. Weifang Bell Chemical Co. Ltd.
30. Weifang Haibin Chemical Co. Ltd.
31. Weifang Taize Chemical Industry Co. Ltd.
32. Zirax