 Bitterroot Tool & Machine LLC. | Stevensville | MT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| BDBlack Diamond Marketing, INC. | Stevensville | MT | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| BTBlackfoot Timber Products LLC | Lincoln | MT | Wood Product Manufacturing321113 | — | ◇ UNVERIFIED |
| B0Blankenship - 093-0012 | Butte | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| BBmc | Helena | MT | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| BWBmc West, LLC | Kalispell | MT | Wood Product Manufacturing321214 | — | ◇ UNVERIFIED |
| BWBob's Woodworks | Hamilton | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| BDBootleg Distillery, Inc. | Billings | MT | Beverage and Tobacco Product Manufacturing312140 | — | ◇ UNVERIFIED |
| BEBradshaw Enterprises, Inc. | Kalispell | MT | Wood Product Manufacturing321215 | — | ◇ UNVERIFIED |
| BPBrenntag Pacific, INC. | Laurel | MT | Chemical Manufacturing325199 | — | ◇ UNVERIFIED |
| BIBrewhalla, Inc | Billings | MT | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| BBBridger Brewing Company, LLC | Three Forks | MT | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| BBBrooklyn Bagel and Bakery LLC | Missoula | MT | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| BBBrophy Bakery LLC | Red Lodge | MT | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BBBrophy Bakery LLC | Red Lodge | MT | Food Manufacturing311812 | — | ◇ UNVERIFIED |
| BGBrubaker Grinding, LLC | Joliet | MT | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| BSBucksnort Soda Company LLC | Bozeman | MT | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| BGBudget Game Processing, INC. | Belgrade | MT | Food Manufacturing311615 | — | ◇ UNVERIFIED |
| BBvac | Stevensville | MT | Fabricated Metal Product Manufacturing332993 | — | ◇ UNVERIFIED |
| CCCabinet Covers INC. | Ballantine | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| CMCabinet Mountain Brewing Company, L.L.C. | Libby | MT | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CMCabinet Mountain Woodworks | Trout Creek | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| CFCakes for Thought LLC | Great Falls | MT | Food Manufacturing311811 | — | ◇ UNVERIFIED |
| CSCanadian-american Structured Solutions, INC | Billings | MT | Wood Product Manufacturing321991 | — | ◇ UNVERIFIED |
| CBCC Bernhardt LL | Red Lodge | MT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CTCentennial Timber Frames | Columbia Falls | MT | Wood Product Manufacturing321213 | — | ◇ UNVERIFIED |
| C0Century - 021-0002 | Glendive | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| C0Century - 027-0004 | Lewistown | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CFCereal Food Processors, INC. | Great Falls | MT | Food Manufacturing311211 | — | ◇ UNVERIFIED |
| CCCherry Creek Cabinets & Countertops LLC | Thompson Falls | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| CIChs, INC. | Laurel | MT | Petroleum and Coal Products Manufacturing324110 | — | ◇ UNVERIFIED |
| CNChs Nutrition | Great Falls | MT | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| CNChs Nutrition - Circle | Circle | MT | Food Manufacturing311119 | — | ◇ UNVERIFIED |
| CLCinco LLC | Whitefish | MT | Furniture and Related Product Manufacturing337110 | — | ◇ UNVERIFIED |
| CTCircle T Brewing Company LLC | Big Timber | MT | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| COCity of Wolf Point Asphalt Plant | Wolf Point | MT | Petroleum and Coal Products Manufacturing324121 | — | ◇ UNVERIFIED |
| CIClark Industrial INC. | Missoula | MT | Primary Metal Manufacturing331110 | — | ◇ UNVERIFIED |
| CMClawson Mfg | Missoula | MT | Miscellaneous Manufacturing339999 | — | ◇ UNVERIFIED |
 Coca Cola Bottling Company High Country | Billings | MT | Beverage and Tobacco Product Manufacturing312111 | — | ◇ UNVERIFIED |
| CWColor World of Montana, INC. | Bozeman | MT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CPColumbus Processing Facility | Columbus | MT | Primary Metal Manufacturing331419 | — | ◇ UNVERIFIED |
| CMCompatible Manufacturing, INC. | Kalispell | MT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| CCConceptual Creations LLC | Black Eagle | MT | Plastics and Rubber Products Manufacturing326199 | — | ◇ UNVERIFIED |
| CEConnor Enterprises, LLC | Helena | MT | Computer and Electronic Product Manufacturing334516 | — | ◇ UNVERIFIED |
| CMContact Mining Company | Philipsburg | MT | Primary Metal Manufacturing331410 | — | ◇ UNVERIFIED |
| CSContinental Steel Works, INC. | Butte | MT | Primary Metal Manufacturing331221 | — | ◇ UNVERIFIED |
| CBCopperwood Brewing LLC | Kalispell | MT | Beverage and Tobacco Product Manufacturing312120 | — | ◇ UNVERIFIED |
| CRCopy Right LLC | Billings | MT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CRCopy Right LLC | Billings | MT | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| CICpm, INC. | Billings | MT | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
