CRITICAL MINERAL COMPANIES · RESEARCH
Magnesium companies, projects & facilities
Lightweight alloys, metallurgical processing and refractory materials. Research 23 documented magnesium 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
Magnesium 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 |
|---|---|---|---|
| Anderson Plant ↗Advanced Magnesium Alloys Corp. | Magnesium | IndianaUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Baymag ↗Baymag Inc. | Magnesium | AlbertaCanada | PlantActive · 2025-12-31 |
| Bellevue Plant ↗PSW Group | Magnesium | OhioUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Cadiz Pilot Plant ↗Western Magnesium Inc. | Magnesium | OhioUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Camden Plant ↗MagPro LLC. | Magnesium | TennesseeUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Chula Vista Plant ↗South Bay Salt Works | Magnesium | CaliforniaUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Driftwood Creek ↗MGX Minerals Inc. | Magnesium | British ColumbiaCanada | Advanced projectActive · 2025-12-31 |
| East Mine ↗Intrepid Potash, Inc. | Magnesium | New MexicoUnited States | Mines and QuarriesAssumed active · 2026-06-29 |
| Eco2 ↗Eco2Magnesia | Magnesium | QuebecCanada | Advanced unconventional projectActive · 2025-12-31 |
| Exterra Solutions Carbone ↗Exterra Solutions Carbone Inc. | Magnesium | QuebecCanada | Advanced unconventional projectActive · 2025-12-31 |
| Gabbs Mine ↗Permier Magnesia, LLC | Magnesium | NevadaUnited States | Mines and QuarriesAssumed active · 2026-06-29 |
| Gabbs Plant ↗Permier Magnesia, LLC | Magnesium | NevadaUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Great Salt Lake Mine ↗US Magnesium Corp. | Lithium · Magnesium | UtahUnited States | MineCare and maintenance · 2026-06-29 |
| Great Salt Lake Plant ↗US Magnesium Corp. | Lithium · Magnesium | UtahUnited States | Refinery / SmelterCare and maintenance · 2026-06-29 |
| Las Vegas Plant ↗Western Magnesium Inc. | Magnesium | NevadaUnited States | Mineral Processing PlantIn development · 2026-06-29 |
| Lewes Facility ↗SPI Pharma, Inc | Magnesium | DelawareUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Manistee Facility ↗Martin Marietta Materials, Inc. | Magnesium | MichiganUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Mount Brussilof ↗Baymag Inc. | Magnesium | British ColumbiaCanada | MineActive · 2025-12-31 |
| Ogden Mine ↗Compass Minerals International, Inc. | Magnesium · Potash | UtahUnited States | MineAssumed active · 2026-06-29 |
| Ogden Plant ↗Compass Minerals International, Inc. | Magnesium · Potash | UtahUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Record Ridge ↗West High Yield Resources Ltd. | Magnesium | British ColumbiaCanada | Advanced projectActive · 2025-12-31 |
| Wendover Plant ↗Intrepid Potash, Inc. | Magnesium | UtahUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Wynyard ↗Karnalyte Resources Inc. | Magnesium · Potash | SaskatchewanCanada | Advanced projectActive · 2025-12-31 |
CORPORATE FOOTPRINT
Companies & operators
Advanced Magnesium Alloys Corp. ↗
Magnesium
Associated British Foods ↗
Magnesium
Baymag Inc. ↗
Magnesium
Compass Minerals International, Inc. ↗
Magnesium · Potash
Eco2Magnesia ↗
Magnesium
Exterra Solutions Carbone Inc. ↗
Magnesium
Intrepid Potash, Inc. ↗
Magnesium · Potash
Karnalyte Resources Inc. ↗
Magnesium · Potash
MagPro LLC. ↗
Magnesium
Martin Marietta Materials, Inc. ↗
Magnesium
MGX Minerals Inc. ↗
Magnesium
Permier Magnesia, LLC ↗
Magnesium
CONTINUE YOUR RESEARCH
Magnesium by region
Research sources
- U.S. Geological Survey — U.S. facilities, June 2026 ↗Inventory: 2026-06-29 · Checked 2026-09-10
- Natural Resources Canada — critical minerals inventory ↗Inventory: 2025-12-31 · Checked 2026-09-10
Each asset profile includes its source references and dates. Read the coverage, data licences and review methodology ↗.