1. African Rainbow Minerals Limited
2. Afrimat Group
3. American Elements
4. Anglo American PLC
5. Anyang Wanhua Metal Material Co.Ltd.
6. Atlantic Equipment Engineers Inc.
7. Belmont Metals Inc.
8. BHP Group Limited
9. Central Drug House (P) Ltd.
10. Compa??a Minera Autl?n
S.A.B. de C.V.
11. Eramet S.A.
12. G K Min Met Alloys Co.
13. Giyani Metals Corp.
14. Jupiter Mines Limited
15. Kamman Group
16. Manganese Metal Company (Pty) Ltd.
17. Merck KGaA
18. Metallic Ferro Alloys LLP
19. MOIL Limited
20. OM Holdings Ltd.
21. Otto Chemie Pvt Ltd.
22. SCR-Sibelco NV
23. Singhania International Limited
24. South32 Limited
25. Umicore
26. XI’AN FUNCTION MATERIAL GROUP CO.LTD.