1. 3A Composites
2. Advanced Environmental Recycling Technologies Inc.
3. Airex AG
4. Avient Corporation
5. BASF SE
6. Compagnie de Saint-Gobain S.A.
7. Construction Composites Limited
8. DuPont de Nemours Inc.
9. Euroresins International GmbH
10. Exel Composites PLC
11. Gurit Services AG
12. Hexcel Corporation
13. Huntsman International LLC
14. Hyosung Corporation
15. Johns Manville
16. LAMILUX Heinrich Strunz Holding GmbH & Co. KG
17. LANXESS AG
18. LyondellBasell Industries N.V.
19. Mar-Bal Inc.
20. Mitsubishi Chemical Corporation
21. Owens Corning
22. PPG Industries Inc.
23. Scott Bader Company Ltd.
24. SGL Carbon
25. Solvay S.A
26. Strongwell Corporation
27. Teijin Limited
28. Toray Industries Inc.
29. Trex Company Inc.
30. UPM-Kymmene Corporation