1. AGC Group
2. Arkema SA
3. Asahi Kasei Corporation.
4. BASF SE
5. Carbon Conversions Inc.
6. Celanese Corporation
7. Continental AG
8. Covestro AG
9. DOMO Chemicals GmbH
10. DuPont de Nemours Inc.
11. D?twyler Holding Inc.
12. Ems-Chemie Holding AC
13. Fairmat SAS
14. Faurecia SE
15. Formosa Plastics Corporation
16. INEOS Group Limited
17. Lanxess AG
18. Lyondellbase Industries Holdinas B.V.
19. Mercedes-Benz Group AG
20. Mitsubishi Engineering-Plastics Corporation
21. Mitsui Chemicals Inc.
22. Neste Oyj
23. Procotex Corporation
24. Saudi Basic Industries Corporation
25. SGL Carbon SE
26. Solvay S.A.
27. Sumitomo Chemical Co. Ltd.
28. Toray Group
29. Ube Corporation
30. Unifi Inc.
31. Vartega Inc
32. Wellman Advanced Materials