1. Basildon Chemical Co. Ltd. by Momentive Performance Materials Inc.
2. CHT Group
3. Clearco Products Co. Inc.
4. DuPont de Nemours Inc.
5. Elkem ASA
6. Evonik Industries AG
7. Gelest Inc. by Mitsubishi Chemical Corporation
8. Metro Silicone Industries
9. Om Tex Chem Private Limited
10. Sarex Chemicals
11. Shin-Etsu Chemical Co. Ltd.
12. Siltech Corporation
13. SiSiB SILANES by Power Chemical Corporation Limited
14. The Dow Chemical Company
15. Wacker Chemie AG