Mines

Mines in Michigan

Rare Context lists 16 mines in Michigan, United States. The largest is Tilden Mine, with 790 employees in 2025.

All mines

By primary commodity, most mines first, then by employees within each commodity.

MineCommodityCountyOwner or operatorEmployees
O-N Minerals - Calcite OperationCrushed limestonePresque Isle CountyCarmeuse Holding SA152 2025
O-N Minerals, Cedarville OperationCrushed limestoneMackinac CountyCarmeuse Holding SA95 2025
Carmeuse - Port Inland OperationCrushed limestoneSchoolcraft CountyCarmeuse Holding SA84 2025
Amrize Presque Isle AggregatesCrushed limestonePresque Isle CountyAmrize Ltd77 2025
Drummond Dolomite, Inc.Crushed limestoneChippewa CountyCarmeuse Holding SA54 2025
Nugent Sand Plant #2Industrial sandMuskegon CountyNugent Sand Company Inc39 2025
Rockwood PlantIndustrial sandWayne CountyUSS Holdings Inc22 2025
Pointe NorthIndustrial sandMackinac County1442246 AB Ltd16 2025
Top Grade Aggregates- Wexford OperationIndustrial sandWexford CountyTop Grade Aggregates, LLC.—
Alabaster PlantGypsumIosco CountyUSG Corporation39 2025
Tawas QuarryGypsumIosco CountyNG Operations LLC24 2025
Eagle MineNickelMarquette CountyLundin Mining Corporation250 2025
Humboldt MillNickelMarquette CountyLundin Mining Corporation150 2025
Tilden MineIron oreMarquette CountyCleveland-Cliffs Inc790 2025
Corunna PlantOil shaleShiawassee CountyWienerberger AG4 2025
Detroit Salt MineSaltWayne CountySCIH Salt Holdings, Inc100 2025

Every mine in Michigan, with owners.All 16 in one file, each with its owner, commodity, resources and permit status. We research what the public sources leave out.

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