1. Akzo Nobel N.V.
2. Arkema S.A.
3. Borealis AG
4. Celanese Corporation
5. Chevron Phillips Chemical Company LLC
6. Davis-Standard
LLC
7. Dura Coat Products by Axalta Coating Systems Ltd.
8. Eastman Chemical Company
9. Exxon Mobil Corporation
10. Formosa Plastics Corporation
11. Hanwha Group
12. Kuraray Co. Ltd.
13. LyondellBasell Industries N.V.
14. NOVA Chemicals Corporation
15. PPG Industries Inc.
16. Qenos Pty Ltd.
17. Reliance Industries Limited
18. Saudi Basic Industries Corporation
19. Solvay SA
20. The Dow Chemical Company
21. The Lubrizol Corporation
22. The Sherwin-Williams Company
23. Toray Industries Inc.
24. Transcendia
25. Westlake Corporation