| MTMt Tractors INC. | Stevensville | MT | Machinery Manufacturing333112 | — | ◇ UNVERIFIED |
| MPMyrstol Post & Pole Company | Clyde Park | MT | Machinery Manufacturing333210 | — | ◇ UNVERIFIED |
| NANaked Acres | Glasgow | MT | Textile Mills313220 | — | ◇ UNVERIFIED |
| NBNBC Billings LLC | Billings | MT | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| NCNellis Custom Woodworks, LLC | Manhattan | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| NCNicholas Creek | Laurel | MT | Wood Product Manufacturing321999 | — | ◇ UNVERIFIED |
| NNomadGCS | Columbia Falls | MT | Computer and Electronic Product Manufacturing334220 | — | ◇ UNVERIFIED |
| NMNoreen Manufacturing | Belgrade | MT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| NCNorm's Custom Woodcraft | Chester | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| NFNorth Fork Precision LLC | Laurel | MT | Transportation Equipment Manufacturing336390 | — | ◇ UNVERIFIED |
| NFNorth Fork Precision LLC | Broadus | MT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| NPNorth Peak Cabinets LLC | Pinesdale | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| NWNorth Western General Contractors, LLC | Polson | MT | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| NSNorthwest Short Line, LLC | Hamilton | MT | Primary Metal Manufacturing331210 | — | ◇ UNVERIFIED |
| NFNwpmg00002 Former Texaco Sunburst Works | Sunburst | MT | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| NWN W Swartz Company, INC. | Gallatin Gateway | MT | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| OCOak Creations, INC. | Columbus | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| OCOverholtzer Church Interiors | Saint Ignatius | MT | Furniture and Related Product Manufacturing337127 | — | ◇ UNVERIFIED |
| PAP & A Properties LLC | Helena | MT | Nonmetallic Mineral Product Manufacturing327991 | — | ◇ UNVERIFIED |
| PMParagon Metal Fabrication, LLC | Bozeman | MT | Fabricated Metal Product Manufacturing332323 | — | ◇ UNVERIFIED |
| PDParamount Duct and Vent Cleaning LCC | Red Lodge | MT | Fabricated Metal Product Manufacturing332410 | — | ◇ UNVERIFIED |
| PLPCross, LLC dba The Baked Escape | Billings | MT | Food Manufacturing311813 | — | ◇ UNVERIFIED |
| PIPD2F, Inc. | Missoula | MT | Miscellaneous Manufacturing339920 | — | ◇ UNVERIFIED |
| PMPete's Meats LLC | Billings | MT | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| PWPet Wellness Inc | Rexford | MT | Chemical Manufacturing325411 | — | ◇ UNVERIFIED |
| PCPhat Cabinets, INC. | Kalispell | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
 Phillips Environmental Products, INC. | Belgrade | MT | Plastics and Rubber Products Manufacturing326150 | — | ◇ UNVERIFIED |
| PHPierce Homes | Billings | MT | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| PCPioneer Concrete & Fuel INC | Butte | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PDPlastic Design Manufacturing (pdm) | Manhattan | MT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PDPlastic Design & Mfg., INC. | Manhattan | MT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| PLP & L Pallet Repair | Great Falls | MT | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| PRPolson Ready Mix | Polson | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| PIPolymeric Interconnect | Butte | MT | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| PMPrecast Mockel & Excavation, CO. | Helena | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
 Precision Engineering, INC. | Kalispell | MT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| PWPrecision Woodworks | Great Falls | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| PIPride Industries, INC. | Billings | MT | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| PGPrinting Graphic Services | Missoula | MT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| PAPrograde Ammo Group, LLC | Stevensville | MT | Fabricated Metal Product Manufacturing332992 | — | ◇ UNVERIFIED |
| PTPro Tank Products | Plentywood | MT | Fabricated Metal Product Manufacturing332420 | — | ◇ UNVERIFIED |
| PCProtech Capital Trust | Great Falls | MT | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| PPPulz Product | Billings | MT | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| PWP & W Property, LLC | Bozeman | MT | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| PMPyramid Mountain Lumber INC. | Seeley Lake | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| QIQuake Industries, INC. | Manhattan | MT | Chemical Manufacturing325211 | — | ◇ UNVERIFIED |
| QRQuartermoon Restrooms, LLC | Great Falls | MT | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| RWRausch Wood Products INC. | Alberton | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| RLRed Lodge Beverages and Refreshments Inc. | Billings | MT | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| RLRed Lodge Furniture Studio | Red Lodge | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
