- Admat Inc.
- Alkane Resources Ltd
- CBMM
- China Molybdenum Co. Ltd
- Changsha South Tantalum Niobium Co. Ltd
- Grandview Materials
- NIOBEC (Magris Resources Inc.)
- NioCorp Developments Ltd
- Shaanxi Getwick Nonferrous Metals Co. Ltd
- Titanex GmbH
- Zhuzhou Orient Kylin Special Metal Materials Co. Ltd