CRITICAL MINERAL COMPANIES · RESEARCH
Selenium companies & projects in Montana
Glass, metallurgy, electronics and chemical applications. Explore 4 documented selenium assets in Montana, their companies, source classifications and related regional opportunities.
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
Montana 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 |
|---|---|---|---|
| Columbus Metallurgical Refinery ↗Sibanye Stillwater Ltd. | Copper · Nickel · Platinum group metals · Selenium | MontanaUnited States | RefineryAssumed active · 2026-06-29 |
| Columbus Metallurgical Smelter ↗Sibanye Stillwater Ltd. | Copper · Nickel · Platinum group metals · Selenium | MontanaUnited States | SmelterAssumed active · 2026-06-29 |
| East Boulder Mine ↗Sibanye Stillwater Ltd. | Copper · Nickel · Platinum group metals · Selenium | MontanaUnited States | MineAssumed active · 2026-06-29 |
| Stillwater Mine ↗Sibanye Stillwater Ltd. | Copper · Nickel · Platinum group metals · Selenium | MontanaUnited States | MineAssumed active · 2026-06-29 |
CORPORATE FOOTPRINT
Companies & operators
CONTINUE YOUR RESEARCH
Mineral sectors in Montana
Research sources
- 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 ↗.