- Alfa Aesar
- Atlantic Equipment Engineers (Micron Metal Inc.)
- Cathay Advanced Materials Limited
- Clean TeQ Holdings Ltd
- DNI Metals Inc.
- Galileo Resources PLC
- GFS Chemicals
- Hunan Oriental Scandium Co. Ltd
- Materion Corporation (Cerac Inc.)
- Orbite Technologies Inc.
- Platina Resources Limited
- Scandium International Mining Corp.
- Stanford Materials Corporation
- Sigma-Aldrich (Merck KGaA)
- Treibacher Industrie AG
- Australian Mines Ltd
- Huizhou Top Metal Materials Co. Ltd (TOPM)
- Rusal