1. 3M Company
2. Avient Corporation
3. BASF SE
4. Bhansali Engineering Polymers Ltd.
5. CHIMEI Corporation
6. Clariant
7. Daicel Corporation
8. Denka Company Limited
9. Elix Polymers
10. Engineered Polymer Solutions
11. Felix Compounds
12. Formosa Chemicals & Fibre Corp.
13. Ineos AG
14. LG Chem Ltd.
15. LOTTE Chemical
16. Mitsui Chemicals Inc.
17. Nippon A&L Inc.
18. PetroChina Company Ltd.
19. RTP Company
20. SABIC Innovative Plastics
21. SEKISUI Chemical Co. Ltd.
22. Techno-UMG Co. Ltd.
23. Toray Industries Inc.
24. Transco
25. Trinseo PLC