- Accurate Plastics Inc.
- Advanced Composite Structures Australia Pty Ltd.
- C2 Composites
- Connora Technologies
- PolyOne Corporation
- Hexcel Corporation
- Huntsman International LLC
- JEC Group
- Johns Manville Corporation
- Lingol Corporation
- Mar-Bal Inc.
- Owens Corning
- PPG Industries Inc.
- SGL Group
- Teijin Limited
- TenCate Advanced Composites
- Toray Industries Inc.