| RCRiverside Contracting - 063-0049 | Seeley Lake | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| RLR. L. Schaff Concrete Construction, INC. | Shepherd | MT | Nonmetallic Mineral Product Manufacturing327320 | — | ◇ UNVERIFIED |
| RWRmd Wholesale INC | Billings | MT | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| RARob Ames Cabinetry, LLC | Missoula | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| RMRocky Mountain Ethanol | Hardin | MT | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| RMRocky Mountain Truss CO. LLC | Stevensville | MT | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| RMRocky Mountain Windows & Doors LLC | Billings | MT | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| RIRomanarch INC. | Hamilton | MT | Food Manufacturing311612 | — | ◇ UNVERIFIED |
| RPR & P Fine Woodworking | Clinton | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| RTRy Timber | Livingston | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| RTRy Timber | Livingston | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| RYR Y Timber, INC. | Livingston | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SRSalmon River Wood, INC. | Missoula | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SAS and N Concrete | Anaconda | MT | Nonmetallic Mineral Product Manufacturing327390 | — | ◇ UNVERIFIED |
| SCSchellinger Construction CO. INC. | Seeley Lake | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| SESchindler Elevator Corporation | Kalispell | MT | Machinery Manufacturing333921 | — | ◇ UNVERIFIED |
| SPSierra Pacific Windows | Missoula | MT | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| SPSign Pro | Billings | MT | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SOSigns of Montana | Bozeman | MT | Miscellaneous Manufacturing339950 | — | ◇ UNVERIFIED |
| SCSilver City Cabinets, INC. | Helena | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| SBSklar Bikes LLC | Bozeman | MT | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| SDSkycomm Development, INC | Helena | MT | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SLSkyMar, LLC | Missoula | MT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| SMSlatem Metals LLC | Great Falls | MT | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| SISMW Inc | Billings | MT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| SBSpecialty Beams, LLC | Heron | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SWSpecialty Woodworks Company | Hamilton | MT | Wood Product Manufacturing321911 | — | ◇ UNVERIFIED |
| SPSpeedy Print | Bozeman | MT | Printing and Related Support Activities323110 | — | ◇ UNVERIFIED |
| SPSpika Properties, LLC | Lewistown | MT | Fabricated Metal Product Manufacturing332312 | — | ◇ UNVERIFIED |
| SGSpontuneous Games, Inc. | Billings | MT | Miscellaneous Manufacturing339930 | — | ◇ UNVERIFIED |
| SOSquare One Cabinets | Laurel | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| SKStella's Kitchen & Bakery | Billings | MT | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| SMStillwater Mining Company | Columbus | MT | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
| SMStillwater Mining CO Smelter | Columbus | MT | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| SLStimson Lumber - Bonner | Bonner | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| SLStimson Lumber - Libby | Libby | MT | Wood Product Manufacturing321212 | — | ◇ UNVERIFIED |
| SSStory Street Cycles LLC | Helena | MT | Transportation Equipment Manufacturing336991 | — | ◇ UNVERIFIED |
| SMSun Mountain Sports | Missoula | MT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SHSVM Holdings, LLC | Kalispell | MT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
| SMSweet Mountain, LLC | Bozeman | MT | Food Manufacturing311111 | — | ◇ UNVERIFIED |
| TGT G Works, INC. | Bozeman | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| TBThe Bunkhouse Brewery LLC | Bozeman | MT | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| TBThe Bunkhouse Brewery LLC | Bozeman | MT | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| TCThe Cabinet Connection, INC. | Kalispell | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| TFThe Front Porch MT, LLC | Laurel | MT | Miscellaneous Manufacturing339930 | — | ◇ UNVERIFIED |
| THThe Honeypot | Dillon | MT | Nonmetallic Mineral Product Manufacturing327110 | — | ◇ UNVERIFIED |
| TSThe Survivors Boutique Inc. | Helena | MT | Miscellaneous Manufacturing339113 | — | ◇ UNVERIFIED |
| TSThirsty Street Brewing Company, INC. | Billings | MT | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| TSTimberline Sawmill | Big Timber | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| TMTimberweld Mfg | Columbus | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
