1. 3M Company
2. Adell Plastics Inc.
3. AKRO-Plastic GmbH
4. APAR Industries
5. APPL Industries Limited
6. Arkema S.A.
7. Asahi Kasei Corporation
8. Aurora Plastics
LLC
9. BASF SE
10. Celanese Corporation
11. Coperion GmbH
12. Covestro AG
13. DuPont de Nemours Inc.
14. European Plastics Joint Stock Company
15. FillPlas Co. Ltd.
16. Foster Corporation
17. Kingfa Sci.&Tech. Co.Ltd.
18. Kraton Corporation by DL Chemical Co. Ltd.
19. Lanxess AG
20. LyondellBasell Industries N.V.
21. Mark Tech Polymers Pvt. Ltd.
22. Polyvisions Inc.
23. Ravago
24. Royal DSM
25. RTP Company
26. Sojitz Corporation
27. Star Plastics
LLC
28. Sumika Polymer Compounds (Europe) Ltd.
29. The Dow Chemical Company
30. Trivalence Technologies LLC