1. 3M Company
2. Amber Chemical Company Ltd.
3. Basildon Chemical Co. Limited
4. Bostik SA
5. BRB International B.V.
6. CSL Silicones Inc.
7. Elkem ASA
8. Evonik Industries AG
9. Henkel AG & Co. KGaA
10. InterSil
11. Kaneka Corporation
12. KCC Corporation
13. Kibaru Manufacturing Sdn Bhd
14. Laur Silicone Inc.
15. Milliken & Company
16. Mitsubishi Chemical Holdings Corporation
17. Momentive Performance Materials Inc.
18. Permatex by Illinois Tool Works Inc.
19. Primasil Silicones Ltd. by Minnesota Rubber and Plastics
20. Rogers Corporation
21. Shin-Etsu Chemical Co. Ltd.
22. Siltech Corporation
23. Specialty Silicone Products Inc.
24. The Dow Chemical Company
25. Wacker Chemie AG