1. 3M Company
2. Asahi Kasei Corporation
3. BASF SE
4. Bayer AG
5. Covestro AG
6. Ensinger GmbH
7. Evonik Industries AG
8. Formulated Polymers Limited
9. GuangZhou Otem Engineering Plastics Co. Ltd
10. KINGFA Science & Technology Co. Ltd.
11. LG Chem
Ltd.
12. Lubrizol Corporation
13. LyondellBasell Industries Holdings B.V.
14. Midwest Resins Inc.
15. Mitsubishi Chemical America Inc.
16. Mitsui Chemicals Inc.
17. Polyplastics Co. Ltd.
18. ROMIRA GmbH
19. RTP Company
20. Samyang Corporation
21. Saudi Basic Industries Corporation
22. Sumitomo Chemical Co. Ltd.
23. Teijin Limited
24. Tokai Rika Create Corporation
25. Toray Industries Inc.