1. Accumet Materials Co.
2. ACI Alloys Inc.
3. African Rainbow Minerals Ltd.
4. Albemarle Corporation
5. Anglo American Platinum Ltd
6. Belmont Metals Inc.
7. Hela Novel Metals
LLC
8. Impala Platinum Holdings Limited
9. Indium Corporation
10. Merck KGaA
11. N.T. Ruddock Company
12. Noah Technologies Corporation
13. Norilsk Nickel
14. Spectrum Chemical Mfg. Corp.
15. Strategic Metals Ltd.
16. Umicore NV