1. AKG Group of Companies
2. Al Waab Plastics
3. FlowGuard Plus
4. Formosa Plastics Corporation
5. GEON Performance Solutions
6. Hanwha Solutions Corporation
7. Heap Wah Enterprise Sdn. Bhd.
8. Jiangsu Tianteng Chemical Industry
9. KANEKA CORPORATION
10. Kem One SAS
11. Kothari Group
12. Lubrizol Corporation
13. Meghmani Finechem Limited
14. Platinum Industries Limited
15. PolyOne Corporation
16. Polytech Plastics
17. Qatar National Plastic Factory
18. Sekisui Chemical Co. Ltd.
19. Shandong Novista Chemicals Co.Ltd (Novista Group)
20. Shandong Xiangsheng New Materials Technology
21. Shin-Etsu Chemical Co. Ltd.
22. SHREE BALAJEE ENTERPRISES
23. Shriram PolyTech Ltd.
24. UNITECH PVC Pipes
25. Westlake Corporation