| FSFiberglass Structures | Laurel | MT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| FLFinishing Lab, LLC | Bozeman | MT | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Billings | Billings | MT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| FCForterra Concrete Products - Helena | Helena | MT | Nonmetallic Mineral Product Manufacturing327332 | — | ◇ UNVERIFIED |
| GLGlassco Lumber | Stanford | MT | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| HMHarvest Moon Brewing Company | Belt | MT | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| HSHelena Sand & Gravel Dba Montana Materials & Const | Anaconda | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| IIIronhaus INC | Hamilton | MT | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| JKJ K Fabrication & Supply LLC | Butte | MT | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| JRJ & R Planing INC | Missoula | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| JGJtl Group Billings (dba - Knife River Billings) | Billings | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| JGJtl Group-wilkie Street | Missoula | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| KMKnick Machining | Bozeman | MT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| KRKnife River - 777-2699 | Kalispell | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| KRKnife River Billings East Site | Billings | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| KRKnoll's Ready Mix | Glendive | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| LPLewistown Propane & Fertilizer Co-denton Plant | Denton | MT | Chemical Manufacturing325314 | — | ◇ UNVERIFIED |
| LLL&m Lockers | Belt | MT | Food Manufacturing311611 | — | ◇ UNVERIFIED |
 Louisiana-pacific - Belgrade | Belgrade | MT | Wood Product Manufacturing321912 | — | ◇ UNVERIFIED |
| MRM2green Redevelopment | Missoula | MT | Paper Manufacturing322130 | — | ◇ UNVERIFIED |
| MNMalteurop North American, INC | Great Falls | MT | Food Manufacturing311213 | — | ◇ UNVERIFIED |
| MAMontana Advanced Biofuels LLC | Great Falls | MT | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| MPMontana Pole and Treating | Butte | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| MWMountain West LLC | Superior | MT | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| NPNorthern Plastics INC | Kalispell | MT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| NANorthwest Art Casting INC | Bozeman | MT | Primary Metal Manufacturing331525 | — | ◇ UNVERIFIED |
| NINupac, INC - a Division of Helena Sand & Gravel | Kalispell | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| OHOwens & Hurst Lumber CO | Eureka | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| PMPayne Machinery INC | Libby | MT | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
| PCPlum Creek Mfg LP | Fortine | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| PCPowder Coating of Montana Belgrade | Belgrade | MT | Fabricated Metal Product Manufacturing332812 | — | ◇ UNVERIFIED |
| PMPrecious Metals Plating Hud | Bonner | MT | Fabricated Metal Product Manufacturing332813 | — | ◇ UNVERIFIED |
| PFPrinting for Less.com | Livingston | MT | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| QMQuikrete - Montana Plant | Billings | MT | Nonmetallic Mineral Product Manufacturing327999 | — | ◇ UNVERIFIED |
| RCRiverside Contracting - 3046 | Missoula | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SCSchellinger Construction - 3045 | Hamilton | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SISemitool INC Reserve Dr | Kalispell | MT | Machinery Manufacturing333242 | — | ◇ UNVERIFIED |
| SPSmc Precious Metals Smelter & Base Metal Refy | Columbus | MT | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| SMSocati Montana | Missoula | MT | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| SMSolvay - Maiden Rock Mine | Melrose | MT | Wood Product Manufacturing321114 | — | ◇ UNVERIFIED |
| SSSolvay - Silver Bow Plant | Butte | MT | Chemical Manufacturing325188 | — | ◇ UNVERIFIED |
| SUSolvay USA Inc.-silver Bow Plant | Silver Bow | MT | Chemical Manufacturing325180 | — | ◇ UNVERIFIED |
| SASpectrum Aquatics | Missoula | MT | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| SFStillwater Forest Products | Kalispell | MT | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| SPSuperior Pellet Mill | Superior | MT | Wood Product Manufacturing321219 | — | ◇ UNVERIFIED |
| TRThompson River Lumber | Thompson Falls | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TLTotal Label USA LLC Dba Fortis Solutions Group | Whitefish | MT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| TTTricon Timber INC | Saint Regis | MT | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| TSTri State Recycling Services INC | Worden | MT | Petroleum and Coal Products Manufacturing324199 | — | ◇ UNVERIFIED |
 Truenorth Steel | Billings | MT | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
