1. Active Minerals International LLC
2. American Elements
3. Applied Minerals Inc.
4. BASF SE
5. Esan
6. Henan Bon Industrial Co.Ltd.
7. Hoffmann Mineral GmbH
8. I-Minerals Inc.
9. Imerys Group
10. Ionic Mineral Technologies
11. iTech Minerals
12. Living Nature
13. Merck KGaA
14. Nanoshel LLC
15. NaturalNano Inc.
16. Northstar Mines
LLC
17. Otto Chemie Pvt. Ltd.
18. Phantom Plastics
19. Pinnacle Minerals Limited
20. Power Minerals Limited
21. Quartz Works GmbH
22. Ragusa Minerals Limited
23. Reade International Corp.
24. Shijiazhuang Huabang Mineral Products Co. Ltd.
25. Thiele Kaolin Company