Mines

Mines in Montana

Rare Context lists 40 mines in Montana, United States. The largest is Stillwater Mine, with 431 employees in 2025.

All mines

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

MineCommodityCountyOwner or operatorEmployees
Golden Sunlight Mines IncGoldJefferson CountyBarrick Gold Corp132 2025
Winston Gold Mining Corp.GoldBroadwater CountyWinston Gold Mining Corp.12 2022
HendersonGoldGranite County—4 2025
Revenue MineGoldMadison CountyBear Claw Mining Services4 2025
Yellow BandGoldBeaverhead CountyGold Express Mines Inc4 2025
Boaz MineGoldBeaverhead CountyGold Express Mines Inc—
ChartamGoldBroadwater CountyHolmes Mining & Consulting LLC—
Easton Pacific MineGoldMadison CountyMoen Builders Inc.—
Maginnis MineGoldFergus County——
Prospect MineGoldMadison CountyM & W Milling & Refining Inc—
Red Pine MineGoldMadison CountyGold Express Mines Inc; Yellow Band Operating LLC—
Six 0 Six Holding LLCGoldLewis And Clark CountySix 0 Six Holdings—
TroutGoldGranite County——
Wahoe Friends #1GoldMissoula CountyQuetzal Collective LLC—
Rosebud Mine & Crusher/ConveyorCoalRosebud CountyWestmoreland Mining Holdings LLC309 2025
Spring Creek MineCoalBig Horn CountyNavajo Transitional Energy Company LLC271 2025
Bull Mountains Mine No 1CoalMusselshell CountyGlobal Mining Group LLC250 2025
Absaloka MineCoalBig Horn CountyWestmoreland Mining Holdings LLC34 2025
Decker MineCoalBig Horn CountyLighthouse Resources Inc23 2025
Barretts MillTalcBeaverhead CountyRiverspan Partners LP72 2025
Yellowstone MineTalcMadison CountyMagris Performance Materials Inc38 2025
Regal MineTalcBeaverhead CountyRiverspan Partners LP12 2025
Treasure MineTalcBeaverhead CountyRiverspan Partners LP2 2025
Garnet USA LLCGemstonesMadison CountyGMA Garnet Group; Idaho State Gold Company (ISGC)55 2025
Yogo Sapphire MineGemstonesJudith Basin CountyYogold U.S.A. Corporation12 2024
Vortex MineGemstonesJudith Basin CountyYogo Mining Company LLC1 2021
Continental MineCopperSilver Bow CountyMontana Resources Inc428 2025
Troy MineCopperLincoln CountyRevett Silver Company4 2025
Lingshire Gypsum MineGypsumMeagher CountyGCC SAB de CV1 2024
GeyserGypsumJudith Basin CountyGCC SAB de CV—
Savage MineLigniteRichland CountyWestmoreland Mining Holdings LLC9 2025
Carpenter Creek MineLigniteMusselshell CountyCarpenter Creek LLC—
Stillwater MinePlatinum group elementsStillwater CountySibanye Stillwater Limited431 2025
East Boulder MinePlatinum group elementsSweet Grass CountySibanye Stillwater Limited358 2025
Montanore ProjectSilverLincoln CountyHecla Mining Company4 2025
Silver Bow MineSilverSilver Bow CountySilver Bow Mining Corp—
Montana Stibnite Hill MineAntimonySanders CountyState Street Corporation—
Black Butte MineIron oreMeagher CountyGCC SAB de CV5 2025
Elizabeth MineOther metalsLewis And Clark CountyABK Holdings Corporation—
Anaconda Bench Sapphire MineSapphireGranite CountyC3 Limited Liability Company5 2025

Every mine in Montana, with owners.All 40 in one file, each with its owner, commodity, resources and permit status. We research what the public sources leave out.

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