CRITICAL MINERAL COMPANIES · RESEARCH
The critical-mineral issuer register
Find publicly listed mineral companies by headquarters, exchange, mineral exposure and dated market-capitalization bands. Cross-reference their projects, people and disclosures.
300Reviewed issuer identities
277Canadian headquarters
14U.S. headquarters
104At or below C$300m in dated data
| Company / security | Headquarters | Mineral exposure | Dated equity value | Follow |
|---|---|---|---|---|
| Avalon Advanced Materials ↗TSX: AVL | Ontario, CanadaAsset countries: Canada | Lithium · Niobium · Rare earths · Tantalum · Tin+1 more in profile | C$21.82mCAD · 2026-07-31Valuation source ↗ | |
| Frontier Lithium ↗TSXV: FL | Ontario, CanadaAsset countries: Canada | Cesium · Lithium · Niobium · Rubidium · Tantalum+1 more in profile | C$101.48mCAD · 2026-07-31Valuation source ↗ | |
| Niobay Metals ↗TSXV: NBY | Quebec, CanadaAsset countries: Canada | Niobium · Tantalum | C$15.98mCAD · 2026-07-31Valuation source ↗ | |
| North American Niobium and Critical Minerals Corp. ↗CSE: NIOB | Vancouver, British Columbia, CanadaAsset countries: Canada | Rare earths · Niobium · Nickel · Copper | Not reviewedNo dated valuation available | |
| Nuinsco Resources Limited ↗CSE: NWI | Toronto, Ontario, CanadaAsset countries: Canada | Phosphate · Rare earths · Niobium · Tantalum · Lithium | Not reviewedNo dated valuation available |
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Market capitalization is a dated source value, not a live quote. CAD bands avoid mixing currencies and do not assign a universal “microcap” label. Missing values remain unclassified. Listing status, headquarters and asset information have separate source dates.