- Axiom Materials
- Composite Resources Inc.
- Gurit
- Hexcel Corporation
- Isola Group
- Koninklijke Ten Cate BV
- Mitsubishi Chemical Carbon Fiber and Composites Inc.
- Park Eletrochemical Corp.
- Renegade Materials Corporation
- SGL Carbon
- Solvay
- Sunrez Corporation
- TEIJIN LIMITED
- Toray Industries Inc.
- Ventec International Group
- Yokohama Aerospace America Inc.
- Zoltek