1. 20 Microns Limited
2. Active Minerals International LLC
3. Aldon Corporation
4. Andromeda Metals Limited
5. Ashapura Group of Industries
6. BariteWorld
7. Bulk Apothecary
8. Caolines de Vimianzo
S.A.U.
9. Covia Holdings LLC
10. EICL Limited
11. Filchem Australia
12. GMCI PRIVATE LIMITED
13. Gujarat Earth Minerals Pvt. Ltd.
14. HD Microns Limited
15. HOFFMANN MINERAL GmbH
16. I Minerals Inc.
17. Imerys S.A.
18. Jiangxi Shengcheng Mining Co. Limited
19. KaMin LLC
20. Kaolin Techniques Private Limited
21. KERAMOST
a.s.
22. Lasselsberger GmbH
23. Malli Minerals International Inc.
24. Merck KGaA
25. Quartz works GmbH
26. Reade International Corp.
27. SCR-Sibelco NV
28. Sedlecky kaolin AS
29. Shree Ram Group of Industries
30. Thiele Kaolin Company
31. UMA Group of Kaolin
32. W. R. Grace & Co. by Standard Building Solutions Inc.
33. WA Kaolin Limited