1. 2D Carbon Graphene Material Co Ltd
2. Acs Material
3. Global Graphene Group
4. Applied Graphene Materials Plc
5. China Carbon Graphite Group
6. The Sixth Element Inc
7. Grafoid Inc
8. Graphenano
9. Graphenea Inc
10. Nanoxplore Inc
11. Haydale Graphene Industries Plc
12. Thomas Swan & Co Ltd
13. Vorbeck Materials
14. Knano Graphene Technology Co Ltd
15. Xg Sciences Inc
16. Xolve Inc
17. Perpetuus Advanced Material Plc
18. Versarien Plc
19. Elcora Advanced Material
20. First Graphene