- Avantor Inc.
- Dow
- Elkem Silicones
- Jiangsu Tianchen New Materials Co. Ltd
- KCC Corporation
- Laur Silicone Inc.
- Rico Group (SIMTEC Silicone Parts LLC )
- Shin-Etsu Chemical Co. Ltd.
- Stockwell Elastomerics Inc.
- Wacker Chemie AG
- Wynca Group