1. BJS Ceramics GmbH
2. COI Ceramics Inc.
3. General Electric Company
4. Haydale Graphene Industries plc
5. MATECH
6. NGS Advanced Fibers Co. Ltd.
7. Nippon Carbon Co. Ltd.
8. Oceania International LLC
9. Safran Group
10. SGL Carbon
11. Specialty Materials Inc.
12. Suzhou Saifei Group Co. Ltd.
13. TISICS Ltd.
14. Toshiba Corporation
15. UBE Corporation