1. American Excelsior Inc.
2. Armacell International S.A.
3. BASF SE
4. Covestro AG
5. Dow Chemical Company
6. Huntsman Corporation
7. INOAC Corporation
8. Kaneka Corporation
9. Lanxess AG
10. Recticel NV
11. Rogers Corporation
12. Sealed Air Corporation
13. Sekisui Chemical Co. Ltd.
14. UFP Technologies Inc.
15. Zotefoams PLC