1. Akro-Plastic GmbH
2. Arkema SA
3. Caledonian Industries Ltd.
4. Celanese Corporation
5. Darter Plastics Inc.
6. Ensinger Group
7. Evonik Industries AG
8. Gharda Chemicals Limited
9. J. K. Overseas
10. Jrlon Inc.
11. Lehmann&Voss&Co. KG
12. Mitsubishi Chemical Advanced Materials
13. Nanoshel LLC
14. Panjin Zhongrun High Performance Polymers Co Ltd
15. Quadrant Epp Surlon India Ltd.
16. RTP Company
17. SABIC
18. Solvay S.A
19. Toray Advanced Composites
20. Victrex PLC
21. Zyex Ltd