1. ANSSEN Metallurgy Group Co. Ltd.
2. AvCarb LLC
3. Bay Composites Inc.
4. Beijing Great Wall Co. Ltd.
5. California Nanotechnologies
6. Carbon Composites Inc.
7. CeraMaterials
8. CFC Carbon Co. Ltd.
9. CGT Carbon GmbH
10. Chemshine Carbon Co. Ltd.
11. China Beihai Fiberglass Co. Ltd.
12. CM Carbon
13. Final Advanced Materials
14. HENSCHKE GmbH
15. HPMS Graphite
16. Hunan MTR Co. Ltd.
17. Kureha Corporation
18. Mersen Corporate Services SAS
19. Morgan Advanced Materials PLC
20. Nanoshel LLC
21. Nippon Carbon Co. Ltd.
22. Osaka Gas Chemicals Co. Ltd. by Daigas Group
23. Otto Chemie Pvt. Ltd.
24. Saginaw Carbon
25. SGL Carbon SE
26. Sinotek Materials Co. Ltd.
27. Xiamen Lith Machine Ltd.
28. Xiamen Zopin New Material Limited
29. ZhuZhou ChenXin Induction Equipment Co. Ltd (Cx-Induction)
30. ZOLTEK Corporation by Toray Group