- Alpha HPA Limited (Collerina Cobalt)
- Altech Chemicals Ltd
- Andromeda Metals Limited
- Baikowski
- FYI Resources Limited
- Nippon Light Metal Co. Ltd
- Orbite Technologies Inc.
- Polar Sapphire Ltd
- Pure Alumina
- Rusal
- Sasol (USA) Corporation
- Sumitomo Chemical Co. Ltd
- Xuan Cheng Jing Rui New Material Co. Ltd
- Zibo Honghe Chemical Co. Ltd
- Hebei Pengda New Material Technology Co. Ltd