1. Accumet Materials Co.
2. American Elements
3. AMG Advanced Metallurgical Group N.V.
4. Amspec Chemical Corporation
5. Atomized Products Group Inc.
6. BASF SE
7. Belmont Metals Inc.
8. Campine NV
9. China Minmetals Corporation
10. Geopromining
Ltd.
11. Huachang Antimony Industry Co. Ltd.
12. Korea Zinc
13. Lambert Metals International Limited
14. Lanxess AG
15. Mandalay Resources Corporation
16. Nihon Seiko Co. Ltd.
17. NYACOL Nano Technologies Inc.
18. Reagents Inc.
19. RECYLEX S.A.
20. SAMUH LAXMI CHEMICALS (BOM) P. LTD.
21. Suzuhiro Chemical Co. Ltd.
22. Umicore N.V.
23. United States Antimony Corporation
24. Yamanaka & Co. Ltd.
25. Yunnan Muli Antimony Industry Co. Ltd.