1. Agilent Technologies Inc.
2. Ameri-Source
3. Beijing Sino-Steel Industry & Trade Group Corporation
4. CIMM Group
5. GrafTech International Ltd.
6. Graphite Carbon India
7. Graphite Central
8. Graphite India Limited
9. Graphite Sales Inc.
10. HEG Limited
11. Jilin Carbon New Material Co. Ltd
12. Kaifeng Carbon Co. Ltd.
13. Liaoning Dan Carbon Group Corporation Limited
14. Merck KGaA
15. Nippon Carbon Co. Ltd.
16. Orient Carbon Industry Co. Ltd
17. SANGRAF International
18. SEC Carbon Ltd.
19. SGL Carbon
20. Showa Denko K. K.
21. Tokai Carbon Co. Ltd.
22. Weaver Industries Inc.
23. Xuran New Materials Limited
24. Yangzi Carbon Co. Ltd.