1. 2D Carbon Graphene Material Co. Ltd.
2. Abalonyx AS
3. AVANZARE INNOVACION TECNOLOGICA S.L.
4. BGT Materials Limited
5. CVD Equipment Corporation
6. Directa Plus S.p.A.
7. G6 Materials Corporation
8. Global Graphene Group
9. Grafoid Inc.
10. Graphenea Inc.
11. Graphite Central
12. Haydale Graphene Industries PLC
13. Merck KGaA
14. NanoXplore Inc.
15. Versarien PLC