1. Aashi Chem
2. Anten Chemical Co. Ltd.
3. Arkema S.A.
4. Ashok Mineral Enterprises
5. BASF SE
6. Chemiewerk Bad K?stritz GmbH
7. Clariant AG
8. Dalian Haixin Chemical Industrial Co. Ltd.
9. Honeywell International Inc.
10. Interra Global Corporation
11. Jagdamba Minerals
12. KMI Zeolite Inc.
13. KNT Group
14. Merck KGaA
15. Metro Chem Industries
16. National Aluminium Company Limited
17. Noelson Chemicals
18. Shijiazhuang Huabang Imp.&Exp. Trade Co. Ltd.
19. Tosoh Corporation
20. Vizag Chemical International
21. W. R. Grace & Company by Standard Industries Inc.
22. Yingkou Zhongbao Molecular Sieve Co. Ltd
23. Zeochem AG
24. Zeolyst International
25. ZR Catalyst Co. Ltd.