CRITICAL MINERAL COMPANIES · RESEARCH
Silicon companies, projects & facilities
Semiconductors, solar materials, aluminum alloys and silicones. Research 13 documented silicon 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
Silicon 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 |
|---|---|---|---|
| Alloy Plant ↗Globe Specialty Metals, Inc. | Silicon | West VirginiaUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Bécancour Silicon ↗Ferroglobe PLC | Silicon | QuebecCanada | Ferroalloy plantActive · 2025-12-31 |
| Beverly Plant ↗Ferroglobe PLC | Silicon | OhioUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Burnsville Plant ↗Rima Industrial S.A. | Silicon | MississippiUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Butte Plant ↗REC Silicon | Silicon | MontanaUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Charleston Plant ↗Walker Chemie AG | Silicon | TennesseeUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Hemlock Plant ↗Hemlock Semiconductor Operations | Silicon | MichiganUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Moses Lake Plant ↗REC Silicon | Silicon | WashingtonUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Mt. Meigs Plant ↗Dow Chemical Co. | Silicon | AlabamaUnited States | Mineral Processing PlantInactive · 2026-06-29 |
| Selma Plant ↗Ferroglobe PLC | Silicon | AlabamaUnited States | Mineral Processing PlantCare and maintenance · 2026-06-29 |
| Theodore Plant ↗SUMCO Corp. | Silicon | AlabamaUnited States | RefineryAssumed active · 2026-06-29 |
| Tiptonville Plant ↗Sinova Global | Silicon | TennesseeUnited States | Mineral Processing PlantIn development · 2026-06-29 |
| Virginia City Pilot Plant ↗Comstock Inc. | Silicon | NevadaUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
CORPORATE FOOTPRINT
Companies & operators
CleanTech LLC. ↗
Silicon
Comstock Inc. ↗
Silicon · Silver
Corning Inc. ↗
Silicon
Dow Chemical Co. ↗
Silicon
DOW Corning ↗
Silicon
Ferroglobe PLC ↗
Silicon
Globe Specialty Metals, Inc. ↗
Silicon
Hanwha Group ↗
Silicon
Hemlock Semiconductor Operations ↗
Silicon
REC Silicon ↗
Silicon
Rima Industrial S.A. ↗
Silicon
Shin-Etsu Handotai ↗
Silicon
CONTINUE YOUR RESEARCH
Silicon 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 ↗.