1. Alpha Carbone
2. Birla Carbon U.S.A. Inc.
3. Black Bear Carbon B.V.
4. Bolder Industries
5. Bridgestone Corporation
6. Cabot Corporation
7. CIRCTEC
8. CONTEC S.A.
9. Continental Carbon Company
10. Delta Energy LLC
11. DRON Industries s.r.o
12. DVA Renewable Energy Joint Stock Company
13. Eco Power Synergy Sdn Bhd
14. Ecolomondo Corporation
15. Elysium Nordic
16. Enrestec
17. Entyr Limited
18. Hi-Green Carbon Ltd. by Radhe Group of Energy
19. Imerys S.A.
20. Klean Industries Inc.
21. LD Carbon by SK Incheon Petrochem Co. Ltd.
22. Orion Engineered Carbons S.A.
23. PCBL Limited by RP-Sanjiv Goenka Group
24. Pyrum Innovations AG
25. RCB Nanotechnologies GmbH
26. Reoil Sp. z o.o.
27. Scandinavian Enviro Systems AB
28. SR2O Holdings
LLC
29. Waverly Carbon Ltd.