1. 3M Company
2. Advanced Polymer Inc.
3. Evonik Industries AG
4. Gelest Inc. by Mitsubishi Chemical Holdings Corporation
5. Genesee Polymers Corporation
6. Guangzhou Ecopower New Material Co. Limited
7. Hexpol Group
8. Merck KGAa
9. Momentive Performance Materials Inc.
10. Nanjing Union Silicon Chemical Co. Ltd.
11. Qingdao Hengda New Material Technology Co. Ltd.
12. Shin-Etsu Chemical Co. Ltd.
13. Tangshan Sunfar New Materials Co. Ltd.
14. The Dow Chemical Company
15. Wacker Chemie AG