1. ADEKA Corporation
2. Avient Corporation
3. BASF SE
4. Chemplast Sanmar Limited
5. Clariant AG
6. DuPont de Nemours Inc.
7. Eastman Chemical Company
8. Formosa Plastics Corporation
9. INEOS Group Limited
10. Inner Mongolia Junzheng Energy & Chemical Group Co.Ltd
11. Innospec Inc.
12. KEM ONE SAS
13. LG Chem Ltd.
14. Mayzo Inc.
15. Mitsubishi Chemical Corporation
16. Occidental Petroleum Corporation
17. Orbia Advance Corporation S.A.B. de CV
18. Saudi Basic Industries Corporation
19. Shin-Etsu Chemical Co. Ltd.
20. Sika AG
21. Sinochem Holdings Corporation Ltd.
22. Solvay S.A.
23. The Lubrizol Corporation
24. Westlake Corporation
25. Xinjiang Zhongtai Chemical Co. Ltd.