| GFGreat Falls | Great Falls | SC | Paper Manufacturing322291 | 20-99 | ◐ LIKELY ACTIVE |
| JAJesse a Wagner | Great Falls | MT | Miscellaneous Manufacturing339950 | — | ◐ LIKELY ACTIVE |
| MGMalteurop Great Falls | Great Falls | MT | Food Manufacturing311213 | 20-99 | ◐ LIKELY ACTIVE |
| MRMissouri River Meats | Great Falls | MT | Food Manufacturing311612 | — | ◐ LIKELY ACTIVE |
| MGMMI Great Falls | Great Falls | MT | Food Manufacturing311211 | 1-19 | ◐ LIKELY ACTIVE |
| MCModerne Cabinet Shop | Great Falls | MT | Furniture and Related Product Manufacturing337110 | — | ◐ LIKELY ACTIVE |
| MWMountain Wave Distilling, Inc. | Great Falls | MT | Beverage and Tobacco Product Manufacturing312140 | — | ◐ LIKELY ACTIVE |
| PMPaint Master Usa, INC. | Great Falls | VA | Machinery Manufacturing333994 | — | ▲ REPORTED CLOSED |
| PJPj & J INC | Great Falls | MT | Fabricated Metal Product Manufacturing332618 | — | ◐ LIKELY ACTIVE |
| PPrintingCenterUSA | Great Falls | MT | Printing and Related Support Activities323111 | 20-99 | ◐ LIKELY ACTIVE |
| RLR. L. Armacost, INC. | Great Falls | MT | Computer and Electronic Product Manufacturing334512 | — | ◐ LIKELY ACTIVE |
| SISse Investment Group LLC | Great Falls | MT | Wood Product Manufacturing321992 | — | ◐ LIKELY ACTIVE |
| VTVeyl Technologies, INC. | Great Falls | VA | Computer and Electronic Product Manufacturing334511 | — | ◐ LIKELY ACTIVE |
| WCWaterjet Cutting Technology LLC | Great Falls | MT | Fabricated Metal Product Manufacturing332710 | — | ◐ LIKELY ACTIVE |
| WTWatson's Top Shop INC. | Great Falls | MT | Furniture and Related Product Manufacturing337110 | — | ◐ LIKELY ACTIVE |
| BSBattleground Supplements LLC | Great Falls | MT | Food Manufacturing311999 | — | ◇ UNVERIFIED |
| CFCakes for Thought LLC | Great Falls | MT | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| CFCereal Food Processors, INC. | Great Falls | MT | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| CNChs Nutrition | Great Falls | MT | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| CBConsulate Brewing Company, LLC | Great Falls | VA | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CBCt Builders | Great Falls | MT | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| GCGrain Craft - 013-0013 | Great Falls | MT | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| IPInnovative Postal Services | Great Falls | MT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| MCModerne Cabinet | Great Falls | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| MEMontana Ethanol Project | Great Falls | MT | Chemical Manufacturing325193 | — | ◇ UNVERIFIED |
| MMMontana Materials and Construction Black Eagle | Great Falls | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| MSMontana Specialty Mills LLC | Great Falls | MT | Food Manufacturing311224 | — | ◇ UNVERIFIED |
| PLP & L Pallet Repair | Great Falls | MT | Wood Product Manufacturing321920 | — | ◇ UNVERIFIED |
| PWPrecision Woodworks | Great Falls | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| PCProtech Capital Trust | Great Falls | MT | Fabricated Metal Product Manufacturing332311 | — | ◇ UNVERIFIED |
| QRQuartermoon Restrooms, LLC | Great Falls | MT | Plastics and Rubber Products Manufacturing326191 | — | ◇ UNVERIFIED |
| SMSlatem Metals LLC | Great Falls | MT | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| TFThe Fagenstrom CO | Great Falls | MT | Nonmetallic Mineral Product Manufacturing327331 | — | ◇ UNVERIFIED |
| TWTruss Works INC. | Great Falls | MT | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| WIWestfeeds, INC | Great Falls | MT | Food Manufacturing311119 | — | ◇ UNVERIFIED |