1. 3M Company
2. A. B. Enterprises
3. Aditya Birla Group
4. ALTANA AG
5. Ashland Inc.
6. Atul Ltd.
7. Candorr International
8. Chang Chun Group
9. Chevron Phillips Chemical Company LLC
10. Chimcomplex SA
11. China Petrochemical Corporation
12. Corrosol Industries
13. Covestro AG
14. Daicel Corporation
15. DIC Corporation
16. Dongke Group
17. Epic Resins
18. Henkel AG & Co. KGaA
19. Huntsman Corporation
20. INEOS AG
21. Kolon Industries Inc.
22. Kukdo Chemical Co. Ltd.
23. MACRO POLYMERS PVT. LTD.
24. Mapei Spa
25. Merck KGaA
26. Mitsubishi Chemical Group Corporation
27. Mitsui Chemicals Inc.
28. Nagase & Co. Ltd.
29. Nama Chemicals Company
30. Nan Ya Plastics Corporation
31. Olin Corporation
32. Parker-Hannifin Corporation
33. Purolite Corporation by Ecolab Inc.
34. Resintech Limited
35. Samrat Chemical Industries
36. Sika AG
37. Sinochem Holdings Corporation Ltd.
38. Sumitomo Bakelite Co. Ltd.
39. Synpol Products Private Limited
40. The Dow Chemical Company
41. Vizag Chemical International
42. Westlake Corporation