CRITICAL MINERAL COMPANIES · RESEARCH
Manganese companies, projects & facilities
Steelmaking, ferroalloys and battery materials. Research 23 documented manganese 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
Manganese 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.
GLOBAL SUPPLY CONTEXT · 2025 ESTIMATES
Manganese: production & import dependence
Production and import figures follow the commodity definitions in the source table. USGS Mineral Commodity Summaries 2026, Table 7 ↗. These global estimates are separate from this directory’s asset counts.
THE ASSET INVENTORY
Projects, mines & facilities
| Project / facility | Minerals | Region | Source classification |
|---|---|---|---|
| Alabama Spoke Facility ↗Glencore plc. | Cobalt · Lithium · Manganese · Nickel | AlabamaUnited States | Mineral Processing PlantCare and maintenance · 2026-06-29 |
| Aqua Metals Innovation Center ↗American Battery Technology Co. | Cobalt · Lithium · Manganese · Nickel | NevadaUnited States | RefineryAssumed active · 2026-06-29 |
| Arizona Spoke Facility ↗Glencore plc. | Cobalt · Lithium · Manganese · Nickel | ArizonaUnited States | Mineral Processing PlantCare and maintenance · 2026-06-29 |
| Ascend Element Apex 1 Facility ↗Ascend Elements Inc. | Cobalt · Manganese · Nickel | KentuckyUnited States | RefineryAssumed active · 2026-06-29 |
| Ascend Element Base 1 Facility ↗Ascend Elements Inc. | Cobalt · Lithium · Manganese · Nickel | GeorgiaUnited States | RefineryAssumed active · 2026-06-29 |
| Baltimore Plant ↗Vibrantz Technologies Inc. | Manganese | MarylandUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Battery Hill ↗Manganese X Energy Corp. | Manganese | New BrunswickCanada | Advanced projectActive · 2025-12-31 |
| Bécancour Plant ↗Euro Manganese Inc. | Manganese | QuebecCanada | Advanced processing projectOn hold / suspended · 2025-12-31 |
| Columbia Facility ↗Cirba Solutions | Cobalt · Lithium · Manganese · Nickel | South CarolinaUnited States | RefineryIn development · 2026-06-29 |
| Henderson Plant ↗Borman Specialty Materials | Boron · Manganese | NevadaUnited States | RefineryAssumed active · 2026-06-29 |
| Hermosa HPMSM Plant ↗South32 | Manganese | ArizonaUnited States | RefineryIn development · 2026-06-29 |
| Hermosa Mine ↗South32 | Lead · Manganese · Silver · Zinc | ArizonaUnited States | MineIn development · 2026-06-29 |
| Lancaster Facility ↗Cirba Solutions | Cobalt · Lithium · Manganese · Nickel | OhioUnited States | RefineryAssumed active · 2026-06-29 |
| Lasalle Facility ↗Carus LLC. | Manganese | IllinoisUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| Louisiana HP MSM Project ↗Element 25 | Manganese | LouisianaUnited States | RefineryIn development · 2026-06-29 |
| Marietta Plant ↗Energizer Holdings, Inc | Manganese | OhioUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| New Johnsonville Plant ↗Vibrantz Technologies Inc. | Manganese | TennesseeUnited States | Mineral Processing PlantAssumed active · 2026-06-29 |
| North Star HPMSM Plant ↗Electric Metals | Manganese | MinnesotaUnited States | RefineryIn development · 2026-06-29 |
| North Star Mine ↗Electric Metals | Manganese | MinnesotaUnited States | MineIn development · 2026-06-29 |
| Rochester Hub Facility ↗Glencore plc. | Cobalt · Lithium · Manganese · Nickel | New YorkUnited States | RefineryCare and maintenance · 2026-06-29 |
| Scully Mine - Manganese project ↗Tacora Resources Inc. | Manganese | Newfoundland and LabradorCanada | Advanced unconventional projectActive · 2025-12-31 |
| Tahoe-Reno Li-Ion Battery Reycling Plant ↗American Battery Technology Co. | Cobalt · Lithium · Manganese · Nickel | NevadaUnited States | RefineryAssumed active · 2026-06-29 |
| Woodstock ↗Canadian Manganese Company Inc. | Manganese | New BrunswickCanada | Advanced projectActive · 2025-12-31 |
CORPORATE FOOTPRINT
Companies & operators
American Battery Technology Co. ↗
Cobalt · Lithium · Manganese · Nickel
Ascend Elements Inc. ↗
Cobalt · Lithium · Manganese · Nickel
Borman Specialty Materials ↗
Boron · Manganese
Canadian Manganese Company Inc. ↗
Manganese
Carus LLC. ↗
Manganese
Cirba Solutions ↗
Cadmium · Cobalt · Lithium · Manganese · Nickel
Condy Holdings LLC ↗
Manganese
Electric Metals ↗
Manganese
Element 25 ↗
Manganese
EMD Acquisition, LLC ↗
Boron · Manganese
Energizer Holdings, Inc ↗
Manganese
Euro Manganese Inc. ↗
Manganese
CONTINUE YOUR RESEARCH
Manganese 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 ↗.