1. 3A Composites GmbH by Schweiter Technologies AG
2. 3M Company
3. Amorim Cork Composites S.A.
4. Armacell International S.A.
5. BASF SE
6. Carbon-Core Corp.
7. Composites One LLC
8. CoreLite
9. Diab Group
10. DuPont de Nemours Inc.
11. Euro-Composites S.A.
12. Evonik Industries AG
13. General Plastics Manufacturing Company Inc.
14. Gurit Services AG
15. Hexcel Corporation
16. Huntsman Corporation
17. I-Core Composites LLC
18. Kordsa Teknik Tekstil
19. Lantor BV
20. Marex Composites Inc.
21. Mitsubishi Chemical Group Corporation
22. Owens Corning
23. Plascore Inc.
24. RelCore Composites Inc.
25. RTX Corporation
26. SABIC
27. SAERTEX GmbH & Co. KG
28. Showa Aircraft Industry Co. Ltd.
29. SingCore
30. Sino Composite Co. Ltd.
31. Solvay S.A.
32. Suzhou Beecore Honeycomb Materials Co. Ltd
33. The Gill Corporation
34. Toray Industries Inc.