1. Alcoa Inc.
2. Almatis Inc.
3. Altech Chemicals Limited
4. Baikowski SA
5. CHALCO Shandong Co. Ltd.
6. Hebei Pengda Advanced Materials Technology Co. Ltd.
7. Nippon Light Metal Company
Ltd.
8. Orbite Technologies Inc.
9. Polar Sapphire Ltd.
10. Rio Tinto PLC
11. RUSAL PLC
12. Sasol Limited
13. Sumitomo Chemical Co. Ltd
14. Xuancheng Jingrui New Material Co. Ltd.
15. Zibo Honghe Chemical Co. Ltd.