1. Alpha Chemika
2. Anhui Wanwei Group Co. Ltd
3. Archer-Daniels-Midland Company
4. Astrra Chemicals
5. BASF SE
6. Chang Chun Petrochemical Co. Ltd.
7. Demi Co LLC
8. Denka Company Limited
9. Eastman Chemical Company
10. ECOMAVI S.r.l.
11. Itaconix Corporation
12. J.M. Huber Corporation
13. Kuraray Europe GmbH
14. Lonza Group Ltd.
15. Merck KGaA
16. Mitsubishi Chemical Corporation
17. M? Polymer Technologies Inc.
18. Nippon Shokubai Co. Ltd.
19. Otto Chemie Pvt. Ltd.
20. Sekisui Specialty Chemicals America
LLC
21. Shin-Etsu Chemical Co. Ltd.
22. Sinopec Sichuan Vinylon Works
23. Wacker Chemie AG
24. Zhejiang Guoguang Biochemistry Co.Ltd.