| TTowhaul | Belgrade | MT | Machinery Manufacturing333131 | 20-99 | ◐ LIKELY ACTIVE |
 Treasure State Concrete, INC. | Polson | MT | Petroleum and Coal Products Manufacturing324121 | — | ◐ LIKELY ACTIVE |
| VEVizn Energy Systems INC | Columbia Falls | MT | Electrical Equipment, Appliance & Component Manufacturing335911 | — | ◐ LIKELY ACTIVE |
| WCWestern Cider Company | Missoula | MT | Beverage and Tobacco Product Manufacturing312130 | — | ◐ LIKELY ACTIVE |
| WDWillies Distillery Inc | Ennis | MT | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| WMWindstone Medical Packaging | Billings | MT | Miscellaneous Manufacturing339112 | — | ◐ LIKELY ACTIVE |
| ASAmerican Steel | Billings | MT | Fabricated Metal Product Manufacturing332312 | — | ◐ LIKELY ACTIVE |
| AMAvmax Montana INC | Great Falls | MT | Transportation Equipment Manufacturing336410 | — | ◐ LIKELY ACTIVE |
| BMBarretts Minerals INC. Mill Site | Dillon | MT | Nonmetallic Mineral Product Manufacturing327992 | — | ◐ LIKELY ACTIVE |
| CMContact Mining CO | Philipsburg | MT | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| DMDefiance Machine INC | Columbia Falls | MT | Fabricated Metal Product Manufacturing332994 | — | ◐ LIKELY ACTIVE |
| FSFh Stoltze Land & Lumber CO | Columbia Falls | MT | Wood Product Manufacturing321999 | — | ◐ LIKELY ACTIVE |
| FWFrontier Wood Preserving | Stevensville | MT | Wood Product Manufacturing321114 | — | ◐ LIKELY ACTIVE |
| HPH-e Parts International, Mining Solutions INC. | Billings | MT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| ILIlx Lightwave a Newport Company | Bozeman | MT | Chemical Manufacturing325211 | — | ◐ LIKELY ACTIVE |
| LPLoveland Products INC. | Billings | MT | Chemical Manufacturing325320 | — | ◐ LIKELY ACTIVE |
| RSRbc Sand & Gravel INC. | Darby | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◐ LIKELY ACTIVE |
| SMStillwater Mining CO Smelter | Columbus | MT | Primary Metal Manufacturing331410 | — | ◐ LIKELY ACTIVE |
| TRTransco Railway Products | Miles City | MT | Transportation Equipment Manufacturing336510 | — | ◐ LIKELY ACTIVE |
| UFUnited Felts INC | Helena | MT | Textile Mills313230 | — | ◐ LIKELY ACTIVE |
| AAA and S Industries | Poplar | MT | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| AIAdf Industrial Coatings | Great Falls | MT | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| ALAdvanced Litho Printing, LLC | Great Falls | MT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| AIAffco INC | Anaconda | MT | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| ALAlliance Liquid Feeds - Billings Mt #51 | Billings | MT | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| AIAllison Industries INC | Great Falls | MT | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| AMApplied Materials | Kalispell | MT | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| AMApplied Materials, Ppc Business Unit | Kalispell | MT | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| AAArlins Aircraft Service INC | Belgrade | MT | Transportation Equipment Manufacturing336412 | — | ◇ UNVERIFIED |
| APArmor Powder Coating | Missoula | MT | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| AAsarco | Helena | MT | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| BLBay LTD | Billings | MT | Fabricated Metal Product Manufacturing332313 | — | ◇ UNVERIFIED |
| BIBest in Bronze INC | Kalispell | MT | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| BSBig Sky Racks INC | Bozeman | MT | Fabricated Metal Product Manufacturing332994 | — | ◇ UNVERIFIED |
| CPCentral Post and Treating CO Facility | Lewistown | MT | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| CIChovanak INC | Helena | MT | Primary Metal Manufacturing331492 | — | ◇ UNVERIFIED |
| CBChs Big Sky | Denton | MT | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| CBChs Big Sky- Kershaw | Fort Benton | MT | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| CMChs Mountain West Co-op - Kalispell | Kalispell | MT | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| CTClassone Technology | Kalispell | MT | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| CICoatings INC Riverside | Billings | MT | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| CFColumbia Falls Aluminum | Columbia Falls | MT | Primary Metal Manufacturing331312 | — | ◇ UNVERIFIED |
| CFColumbia Falls Aluminum Company Building 1 | Columbia Falls | MT | Primary Metal Manufacturing331313 | — | ◇ UNVERIFIED |
| CPColumbia Paint & Coatings CO | Helena | MT | Chemical Manufacturing325510 | — | ◇ UNVERIFIED |
| CMCompatible Manufacturing INC | Marion | MT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CEConverting Equipment International INC | Columbia Falls | MT | Machinery Manufacturing333517 | — | ◇ UNVERIFIED |
| CCCretex Concrete Products - Montana City | Montana City | MT | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| DIDecorative Industrial Plating LLC | Helena | MT | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| EAErgon Asphalt & Emulsions, INC. - Butte | Butte | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| EPEureka Pellet Mills | Eureka | MT | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
