1. Air Products Inc.
2. Albemarle Corporation
3. BASF SE
4. BYK-Chemie GmbH by ALTANA Group
5. Covestro AG
6. DIC CORPORATION
7. Dow Inc.
8. Eastman Chemical Company
9. Everlight Chemical Industrial Corporation
10. Evonik Industries AG
11. GEO Specialty Chemicals Inc. by CPS Performance Materials Corp.
12. Gulbrandsen Chemicals Inc.
13. Gulbrandsen Inc.
14. Huntsman International LLC
15. Isothane Ltd
16. Kao Corporation
17. Lanxess AG
18. Momentive Performance Materials Inc.
19. Peterson Chemical Technology by Leggett & Platt
Incorporated
20. Schill+Seilacher Struktol GmbH
21. Sheela foam Ltd.
22. Tosoh Corporation
23. Vanderbilt Chemicals
LLC
24. Wacker Chemie AG
25. Wanhua Chemical Group Co. Ltd.