CRITICAL MINERAL COMPANIES · RESEARCH
Massachusetts critical mineral companies & projects
Research 2 documented projects and facilities in Massachusetts, United States. Explore mineral exposure, source-reported activity, operators and company connections.
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
Massachusetts 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 |
|---|---|---|---|
| Newton Facility ↗Materion Corp | Niobium · Tantalum | MassachusettsUnited States | RefineryAssumed active · 2026-06-29 |
| North Attleboro Plant ↗Metalor U.S.A. Refining Corp. | Platinum group metals | MassachusettsUnited States | RefineryAssumed active · 2026-06-29 |
CORPORATE FOOTPRINT
Companies & operators
Materion Corp ↗
Beryllium · Niobium · Tantalum
Metalor Technologies International SA ↗
Platinum group metals
Metalor U.S.A. Refining Corp. ↗
Platinum group metals
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 ↗.