1. AGC Inc.
2. Anglo American plc
3. ArcelorMittal
4. Aurubis AG
5. BASF SE
6. BHP Group Limited
7. CeramTec GmbH
8. China Petrochemical Corporation
9. Corning Incorporated
10. Evonik Industries AG
11. GrafTech International Ltd.
12. Gravotech Engineering Pvt. Ltd.
13. Mason Graphite Inc.
14. Mitsubishi Chemical Corporation
15. Morgan Advanced Materials plc
16. Murata Manufacturing Co. Ltd.
17. Norilsk Nickel
18. Rio Tinto Group
19. Saint Gobain SA
20. Taishan Fiberglass Inc.
21. The Dow Chemical Company
22. Universal Laser Systems Inc.