1. Arkema Sa
2. Carbon Solutions Inc
3. Chasm Advanced Materials Inc
4. Cheap Tubes Inc
5. Timesnano (Chengdu Organic Chemicals Co Ltd)
6. Hanwha Corporation
7. Hyperion Catalysis International Inc
8. Jiangsu Cnano Technology Co Ltd
9. Kumho Petrochemical Co Ltd
10. Meijo Nano Carbon Co Ltd
11. Nano-C
12. Nanocyl Sa
13. Nanolab Inc
14. Nanoshel Llc
15. Ocsial
16. Raymor Industries Inc
17. Showa Denko Kk
18. Thomas Swan & Co Ltd
19. Toray Industries Inc
20. Zeon Corporation