1. Bentec Medical OpCo LLC
2. Elkem AS
3. Innovative Silicones
4. KCC Corporation
5. Mesgo S.p.A. by Hexpol AB
6. Mitsubishi Corporation
7. Momentive Performance Materials Inc.
8. Momentum Elastomers
9. Reiss Manufacturing Inc.
10. Shin-Etsu Chemical Co. Ltd.
11. Specialty Silicone Products Inc. by Heico Corporation
12. Stahl Holdings B.V.
13. Stockwell Elastomerics Inc.
14. The Dow Chemical Company
15. Wacker Chemie AG