1. Alfa Aesar
by Thermo Fisher Scientific Inc.
2. Aurubis Olen nv
3. Aviva Metals Inc.
4. Citizen Metalloys Ltd.
5. COPPRROD Industries Pvt. Ltd.
6. Cupori Oy
7. Farmer’s Copper Ltd
8. Furukawa Electric Co. Ltd.
9. Hitachi Metals Neomaterial Ltd.
10. Indian Copper
11. Italchimici SpA
12. JX Nippon Mining and Metals Corp.
13. KGHM Polska Miedz SA
14. KME Germany GmbH
15. Krishna Copper Private Limited
16. Lark Non-Ferrous Metals Ltd.
17. Lester Metals LLC
18. Metalminotti Srl
19. Mitsubishi Materials Corporation
20. NSRW Inc.
21. RK Copper & Alloy LLP
22. Sagar Deep Alloys Ltd.
23. Sequoia Brass & Copper Inc.
24. Tamra
25. Tranect Ltd.