CRITICAL MINERAL COMPANIES · RESEARCH
Tantalum companies, projects & facilities
Capacitors, chemical equipment and high-performance alloys. Research 11 documented tantalum assets in Canada and the United States, their regions and the organizations behind them.
Asset counts by province / state · select a region
Canada’s mapped coordinates come from NRCan’s 2025 inventory. U.S. assets are mapped by state using USGS’s June 2026 release. Asset counts describe directory coverage.
MINERAL EXPOSURE
Tantalum at a glance
SUPPLY-CHAIN ACTIVITIES
Where assets fit
One asset can report several minerals. An organization may participate in multiple assets. Activity grouping describes the source record, and does not confirm current production, commercial availability or investment readiness.
THE ASSET INVENTORY
Projects, mines & facilities
| Project / facility | Minerals | Region | Source classification |
|---|---|---|---|
| Blue River/Verity ↗Capacitor Metals Corp. | Niobium · Tantalum | British ColumbiaCanada | Advanced projectActive · 2025-12-31 |
| Boyertown Plant ↗Global Advanced Metals | Niobium · Tantalum | PennsylvaniaUnited States | RefineryAssumed active · 2026-06-29 |
| Crevier ↗Niobay Metals | Niobium · Tantalum | QuebecCanada | Advanced projectActive · 2025-12-31 |
| Nechalacho - Basal Zone ↗Avalon Advanced Materials | Niobium · Rare earths · Tantalum · Zirconium | Northwest TerritoriesCanada | Advanced projectActive · 2025-12-31 |
| Newton Facility ↗Materion Corp | Niobium · Tantalum | MassachusettsUnited States | RefineryAssumed active · 2026-06-29 |
| Pakeagama Lake ↗Frontier Lithium | Cesium · Lithium · Niobium · Rubidium | OntarioCanada | Advanced projectActive · 2025-12-31 |
| Rose ↗Critical Elements Lithium Corporation | Lithium · Tantalum | QuebecCanada | Advanced projectActive · 2025-12-31 |
| Separation Rapids ↗SCR-Sibelco N.V. | Lithium · Tantalum | OntarioCanada | Advanced projectActive · 2025-12-31 |
| Seymour Lake (Root Lake) ↗Green Technology Metals Limited | Lithium · Tantalum | OntarioCanada | Advanced ProjectActive · 2025-12-31 |
| Sirmac ↗Vision Lithium Inc. | Lithium · Tantalum | QuebecCanada | Advanced projectActive · 2025-12-31 |
| Tanco ↗Sinomine Resource Group Co., Ltd. | Cesium · Lithium · Tantalum | ManitobaCanada | MineActive · 2025-12-31 |
CORPORATE FOOTPRINT
Companies & operators
Avalon Advanced Materials ↗
Lithium · Niobium · Rare earths · Tantalum · Tin
Capacitor Metals Corp. ↗
Niobium · Tantalum
Critical Elements Lithium Corporation ↗
Lithium · Tantalum
Frontier Lithium ↗
Cesium · Lithium · Niobium · Rubidium · Tantalum
Global Advanced Metals ↗
Niobium · Tantalum
Green Technology Metals Limited ↗
Lithium · Tantalum
Materion Corp ↗
Beryllium · Niobium · Tantalum
Niobay Metals ↗
Niobium · Tantalum
SCR-Sibelco N.V. ↗
Lithium · Tantalum
Sinomine Resource Group Co., Ltd. ↗
Cesium · Lithium · Tantalum
Vision Lithium Inc. ↗
Lithium · Tantalum
CONTINUE YOUR RESEARCH
Tantalum by region
Research sources
- Natural Resources Canada — critical minerals inventory ↗Inventory: 2025-12-31 · Checked 2026-09-10
- U.S. Geological Survey — U.S. facilities, June 2026 ↗Inventory: 2026-06-29 · Checked 2026-09-10
Each asset profile includes its source references and dates. Read the coverage, data licences and review methodology ↗.