1. Abtec Inc.
2. Ashland Inc.
3. Avient Corporation
4. Barlog Plastics Gmbh
5. Celanese Corporation
6. Chang Chun Plastics Co. Ltd
7. Kuraray Co. Ltd
8. Lotte Fine Chemicals Co. Ltd
9. Mitsui Chemicals
10. Polyclean Technologies Inc.
11. Polyplastics Co. Ltd
12. Sabic Innovative Plastics Ltd.
13. Shanghai Pret Composites Co. Ltd.
14. Shenzhen Wote Advanced Materials Co. Ltd
15. Solvay S.A.