| GHGsk Hamilton | Hamilton | 100–499 | ● ACTIVE |
| MSMontana Sulphur & Chemical CO | Billings | 20–99 | ● ACTIVE |
Xtant Medical Holdings, INC. | Belgrade | — | ● ACTIVE |
| RARec Advanced Silicon Materials LLC | Butte | 100–499 | ● ACTIVE |
Scentry Biologicals, INC. | Billings | — | ● ACTIVE |
American Welding & Gas INC | Billings | — | ● ACTIVE |
Bitterroot Innovations, LLC | Stevensville | — | ● ACTIVE |
Evergreen Mining Solutions, LLC | Whitehall | — | ● ACTIVE |
Lyman Dust Control Services of Montana, LLC | Columbia Falls | — | ● ACTIVE |
| MFMoiese Fertilizer CO | Charlo | — | ● ACTIVE |
Montana Advanced Composites, INC. | Manhattan | — | ● ACTIVE |
Pelican Chemicals INC. | Missoula | — | ● ACTIVE |
Pro Coop | Scobey | — | ● ACTIVE |
Promiliad Biopharma Incorporated | Alberton | — | ● ACTIVE |
Science & Conservation Center INC | Billings | — | ● ACTIVE |
Sego Lily Skincare, LLC | Pompeys Pillar | — | ● ACTIVE |
Valley Farmers Supply | Worden | — | ● ACTIVE |
| HIHexion INC. - Missoula | Missoula | — | ◐ LIKELY ACTIVE |
| TCThatcher Company of North Dakota INC | Glendive | — | ◐ LIKELY ACTIVE |
| OIOptiblend Industries Inc-miles City | Miles City | — | ◐ LIKELY ACTIVE |
| JSJupiter Sulphur, LLC. - Billings | Billings | — | ◇ UNVERIFIED |
Canvas & Cornerstone, LLC | Great Falls | — | ◐ LIKELY ACTIVE |
| ACAmerican Chemet | East Helena | 100–499 | ◐ LIKELY ACTIVE |
| ACAmerican Chemet CORP | East Helena | — | ◐ LIKELY ACTIVE |
| BSBig Sky Scientific LLC | Sun River | — | ◐ LIKELY ACTIVE |
| LPLoveland Products INC. | Billings | — | ◐ LIKELY ACTIVE |
| MRMontana Renewables LLC | Great Falls | — | ◐ LIKELY ACTIVE |
| ILIlx Lightwave a Newport Company | Bozeman | — | ◐ LIKELY ACTIVE |
| CBChs Big Sky | Denton | — | ◇ UNVERIFIED |
| CBChs Big Sky- Kershaw | Fort Benton | — | ◇ UNVERIFIED |
| CMChs Mountain West Co-op - Kalispell | Kalispell | — | ◇ UNVERIFIED |
| CPColumbia Paint & Coatings CO | Helena | — | ◇ UNVERIFIED |
| LPLewistown Propane & Fertilizer Co-denton Plant | Denton | — | ◇ UNVERIFIED |
| MAMontana Advanced Biofuels LLC | Great Falls | — | ◇ UNVERIFIED |
| SSSolvay - Silver Bow Plant | Butte | — | ◇ UNVERIFIED |
| SUSolvay USA Inc.-silver Bow Plant | Silver Bow | — | ◇ UNVERIFIED |
| BCBelle Chemical | Billings | 1–19 | ◐ LIKELY ACTIVE |
| BNBotanie Natural Soap Inc | Bonner | 20–99 | ◐ LIKELY ACTIVE |
| HBHGS Bioscience Shelby | Shelby | 1–19 | ◐ LIKELY ACTIVE |
| MEMontana Elastomers, INC. | Black Eagle | — | ◐ LIKELY ACTIVE |
| MMMountain Meadow Herbs | Somers | 20–99 | ◐ LIKELY ACTIVE |
| NRNorthern Region Missoula | Missoula | 1–19 | ◐ LIKELY ACTIVE |
| SIStagefx, INC. | Columbus | — | ◐ LIKELY ACTIVE |
| UGU.s. Germanium INC. | Helena | — | ◐ LIKELY ACTIVE |
| WPWyo-Ben Pet | Billings | 20–99 | ◐ LIKELY ACTIVE |
| ASAdvanced Silicon Materials Facility | Butte | — | ◇ UNVERIFIED |
| ACAmerican Chemet | East Helena | — | ◇ UNVERIFIED |
| BPBrenntag Pacific, INC. | Laurel | — | ◇ UNVERIFIED |
| DLDermaxon, LLC | Missoula | — | ◇ UNVERIFIED |
| EPEvolution Pyrotechnics Manufacturing, INC. | Acton | — | ◇ UNVERIFIED |