1. BASF SE
2. Bayer AG
3. Canada Fluorspar Inc.
4. Dupont de Nemours Inc.
5. Fluorsid S.p.a.
6. Kenya Fluorspar Company Ltd.
7. Masan High-Tech Materials Corporation
8. Mexichem Fluor SA de CV
9. Minchem Impex India Private Limited
10. Minersa Group
11. Mongolrostsvetmet LLC
12. Sallies Ltd.
13. Seaforth Mineral & Ore Co.
14. Tertiary Minerals PLC
15. Zhejiang Wuyi Shenlong Floatation Co. Ltd.