1. 3M Company
2. ACURO ORGANICS LIMITED
3. Arkema SA
4. Ashland Inc.
5. BASF SE
6. Beijing Hengju Chemical Group Co. Ltd.
7. Celanese Corporation
8. Chemtex Speciality Limited
9. DuPont de Nemours Inc.
10. Gantrade Corporation
11. Gelita AG
12. Kemira Oyj
13. KURARAY CO. LTD
14. Merck KGaA
15. Mitsubishi Chemical Holdings Corporation
16. Polysciences Inc.
17. Qingdao Chundi Petroleum Technology Co. Ltd.
18. Shanghai Guanru Chemical Co. Ltd.
19. Shijiazhuang Yuncang Water Technology Corporation Limited
20. SNF Group
21. SUMITOMO SEIKA CHEMICALS CO.LTD
22. The Dow Chemical Company
23. Yixing Cleanwater Chemicals Co. Ltd.
24. Zhejiang Ruico Advanced Materials Co. Ltd.
25. Zhengzhou Meiya Chemical Products Co. Ltd.