| ASArrow Striping Equipment | Billings | MT | Machinery Manufacturing333120 | 20-99 | ◐ LIKELY ACTIVE |
| BPBasin Precast, Inc. | Sidney | MT | Nonmetallic Mineral Product Manufacturing327390 | 20-99 | ◐ LIKELY ACTIVE |
| CCCasino Creek Concrete INC | Lewistown | MT | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| DBDonaldson Bros. Ready Mix, Inc. | Hamilton | MT | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| ETEBC Trusses | Billings | MT | Wood Product Manufacturing321214 | 20-99 | ◐ LIKELY ACTIVE |
| HHHuckleberry Haven, INC. | Kalispell | MT | Food Manufacturing311330 | 20-99 | ◐ LIKELY ACTIVE |
| MCModerne Cabinet Shop | Great Falls | MT | Furniture and Related Product Manufacturing337110 | 20-99 | ◐ LIKELY ACTIVE |
| MCMontana Coffee Traders, Inc. | Whitefish | MT | Food Manufacturing311920 | 20-99 | ◐ LIKELY ACTIVE |
| MCMontana Container Corp | Bozeman | MT | Paper Manufacturing322211 | 20-99 | ◐ LIKELY ACTIVE |
| MSMontana Specialty Mills Oil Plant | Great Falls | MT | Food Manufacturing311224 | 20-99 | ◐ LIKELY ACTIVE |
| MDMontgomery Distillery | Missoula | MT | Beverage and Tobacco Product Manufacturing312140 | 20-99 | ◐ LIKELY ACTIVE |
| MMMountain Meadow Herbs | Somers | MT | Chemical Manufacturing325411 | 20-99 | ◐ LIKELY ACTIVE |
| OSOld Salt Meat Company DBA Ranchland Packing | Butte | MT | Food Manufacturing311611 | 20-99 | ◐ LIKELY ACTIVE |
| PMProject Meats LLC | Billings | MT | Food Manufacturing311612 | 20-99 | ◐ LIKELY ACTIVE |
| RLRbm Lumber | Columbia Falls | MT | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| RLRed Lodge Ales Brewing Company | Red Lodge | MT | Beverage and Tobacco Product Manufacturing312130 | 20-99 | ◐ LIKELY ACTIVE |
| SPSign Products, INC. | Billings | MT | Miscellaneous Manufacturing339950 | 20-99 | ◐ LIKELY ACTIVE |
| SMStillwater Mining Company Base Metals Refinery | Columbus | MT | Primary Metal Manufacturing331410 | 20-99 | ◐ LIKELY ACTIVE |
| TTowhaul | Belgrade | MT | Machinery Manufacturing333131 | 20-99 | ◐ LIKELY ACTIVE |
| WWilcoxson's | Livingston | MT | Food Manufacturing311520 | 20-99 | ◐ LIKELY ACTIVE |
| ACAmerican Chemet | East Helena | MT | Chemical Manufacturing325131 | 20-99 | ◐ LIKELY ACTIVE |
Atomic Industries LLC | Billings | MT | Fabricated Metal Product Manufacturing332996 | 20-99 | ◐ LIKELY ACTIVE |
| BBBernice's Bakery | Missoula | MT | Food Manufacturing311811 | 20-99 | ◐ LIKELY ACTIVE |
| BBilcp | Billings | MT | Nonmetallic Mineral Product Manufacturing327332 | 20-99 | ◐ LIKELY ACTIVE |
| BNBotanie Natural Soap Inc | Bonner | MT | Chemical Manufacturing325611 | 20-99 | ◐ LIKELY ACTIVE |
| BBozeman | Bozeman | MT | Apparel Manufacturing315990 | 20-99 | ◐ LIKELY ACTIVE |
Coca - Cola Bottling Company High Country - Billings | Billings | MT | Beverage and Tobacco Product Manufacturing312111 | 20-99 | ◐ LIKELY ACTIVE |
| CMConcrete Materials of Montana | Belgrade | MT | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
| DFDfa Fluid - Great Falls Mt | Great Falls | MT | Food Manufacturing311511 | 20-99 | ◐ LIKELY ACTIVE |
| FFsg-montana | Billings | MT | Nonmetallic Mineral Product Manufacturing327320 | 20-99 | ◐ LIKELY ACTIVE |
General Mills - Great Falls Mill | Great Falls | MT | Food Manufacturing311211 | 20-99 | ◐ LIKELY ACTIVE |
| GCGrain Craft Great Falls MT | Great Falls | MT | Food Manufacturing311211 | 20-99 | ◐ LIKELY ACTIVE |
| GVGrand Vision Gaming Billings | Billings | MT | Miscellaneous Manufacturing339999 | 20-99 | ◐ LIKELY ACTIVE |
| HPH-E Parts International - MSUSA | Billings | MT | Fabricated Metal Product Manufacturing332710 | 20-99 | ◐ LIKELY ACTIVE |
| ITInland Truck Parts Company 1 | Billings | MT | Transportation Equipment Manufacturing336350 | 20-99 | ◐ LIKELY ACTIVE |
| ITIntercontinental Truck Body | Anaconda | MT | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| KLKalispell Lumber | Kalispell | MT | Wood Product Manufacturing321113 | 20-99 | ◐ LIKELY ACTIVE |
| MLMAC LTT Manufacturing, Inc. | Billings | MT | Transportation Equipment Manufacturing336212 | 20-99 | ◐ LIKELY ACTIVE |
| MBMain Building | Sidney | MT | Furniture and Related Product Manufacturing337212 | 20-99 | ◐ LIKELY ACTIVE |
| MGMalteurop Great Falls | Great Falls | MT | Food Manufacturing311213 | 20-99 | ◐ LIKELY ACTIVE |
| MBMissoula Brewing Company | Missoula | MT | Beverage and Tobacco Product Manufacturing312120 | 20-99 | ◐ LIKELY ACTIVE |
| MRMontana Rockworks | Kalispelll | MT | Nonmetallic Mineral Product Manufacturing327991 | 20-99 | ◐ LIKELY ACTIVE |
Nomad Global Communication Solutions - Libby | Libby | MT | Transportation Equipment Manufacturing336211 | 20-99 | ◐ LIKELY ACTIVE |
| NANorth America Region Kalispell Birch Grove | Kalispell | MT | Machinery Manufacturing333242 | 20-99 | ◐ LIKELY ACTIVE |
| NCNorthwest Cabinet Works, Inc. | Kalispell | MT | Furniture and Related Product Manufacturing337110 | 20-99 | ◐ LIKELY ACTIVE |
| PPrintingCenterUSA | Great Falls | MT | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| SNSmartLam NA Columbia Falls LLC | Columbia Falls, MT | MT | Wood Product Manufacturing321213 | 20-99 | ◐ LIKELY ACTIVE |
| SISSP-SiMatrix, Inc. - Victor | Victor | MT | Miscellaneous Manufacturing339113 | 20-99 | ◐ LIKELY ACTIVE |
| SMStevensville, MT | Stevensville | MT | Plastics and Rubber Products Manufacturing326122 | 20-99 | ◐ LIKELY ACTIVE |
| SMStillwater Mining Company Base Metals Smelter | Columbus | MT | Primary Metal Manufacturing331410 | 20-99 | ◐ LIKELY ACTIVE |