| CM TREE SERVICE AND REMOVAL LLC | 3583079 | BILLINGS | 3 |
| CM TRUSS LLC | 1678973 | EAST HELENA | 4 |
| CMAC | 6268836 | HAMILTON | 2 |
| CMC FIRE SERVICES LLC | 4582537 | LIBBY | 1 |
| CMG BOZEMAN INC | 3700041 | BELGRADE | 1 |
| CMG3 LLC | 4176758 | BOZEMAN | 1 |
| CMJ EXCAVATING INC | 3578160 | CORVALLIS | 2 |
| CNC COUNTERTOPS LLC | 3192478 | GREAT FALLS | 1 |
| CNC TRUCKING LLC | 4449989 | KALISPELL | 1 |
| CNH TRUCKING INC | 2536686 | VAUGHN | 2 |
| COBBLESTONE MTN LLC | 306926 | MANHATTAN | 1 |
| COBRA LLC | 1151105 | KALISPELL | 3 |
| COCHRAN TOWING LLC | 4204950 | BILLINGS | 9 |
| CODY ANDERSON | 6774627 | SIDNEY | 1 |
| CODY CORNWELL | 959749 | GLASGOW | 2 |
| CODY FERGUSON | 2633734 | WIBAUX | 1 |
| CODY MACGRADY TRUCKING INC | 510217 | SIDNEY | 1 |
| CODY MEIDINGER | 2581639 | FALLON | 1 |
| COFFEE CATTLE COMPANY | 1950653 | MILES CITY | 3 |
| COFFEE CREEK FARMERS UNION INC | 4045712 | COFFEE CREEK | 1 |
| COFFIN DIRT WORKS | 2045720 | BUTTE | 3 |
| COGHLIN TRANSPORTATION SERVICES LLC | 4494986 | CHINOOK | 1 |
| COHENOUR TRUCKING INC | 2597295 | LIBBY | 6 |
| COHESIVE CONSTUCTION & EXCAVATION | 4199296 | COLUMBUS | 1 |
| COLBERTS ELECTRIC INC | 905723 | ANACONDA | 1 |
| COLD IRON EXCAVATION INC | 4006805 | BELGRADE | 3 |
| COLD SMOKE LOGISTICS LLC | 1902328 | BOZEMAN | 2 |
| COLD SPRINGS TRUCKING LLC | 4069720 | LIVINGSTON | 1 |
| COLDSNAP TOWERS LLC | 4457922 | KALISPELL | 1 |
| COLDWATER DRILLING AND PUMPS LLC | 3057419 | ARLEE | 7 |
| COLDWELL INC | 234986 | JORDAN | 3 |
| COLE BECKER | 4384266 | CIRCLE | 1 |
| COLE CONSTRUCTION INC | 928548 | SILESIA | 1 |
| COLE MURNION | 4161795 | JORDAN | 1 |
| COLE THORNTON INC | 1664292 | LAMBERT | 1 |
| COLES CORNER SEED FARMS LLC | 3425776 | MANHATTAN | 2 |
| COLLINS AUCTION SERVICE LLC | 3534717 | GREAT FALLS | 1 |
| COLORADO ENERGY MANAGEMENT LLC | 1585385 | HARDIN | 4 |
| COLORADO INTERNATIONAL TRANSPORT INC | 561051 | GREAT FALLS | 2 |
| COLSTRIP ELECTRIC LLC | 1229968 | COLSTRIP | 10 |
| COLTEX ENTERPRISES LLC | 5544372 | KALISPELL | 3 |
| COLTON DUNLAP | 1618548 | BONNER | 8 |
| COLTON P DUNLAP | 2509087 | SEELEY LAKE | 1 |
| COLTON SERVICES LLC | 3097241 | BOZEMAN | 5 |
| COLUMBIA CONSTRUCTION INC | 624300 | COLUMBIA FALLS | 6 |
| COLUMBIA PROPERTY SERVICES LLC | 3041215 | COLUMBIA FALLS | 4 |
| COMMERCIAL CONTRACTING AND MAINTENANCE | 4244644 | GLASGOW | 4 |
| COMMUNITY COUNSELING AND CORRECTIONAL SERVICES INC | 1406883 | BUTTE | 9 |
| COMMUNITY HOME OXYGEN INC | 606399 | BILLINGS | 1 |
| COMMUNITY HOME SERVICE DAIRY INC | 2280095 | MISSOULA | 1 |
| CONARD EXCAVATING | 3765253 | EUREKA | 1 |
| CONCRETE CONSTRUCTION CO | 1272446 | BILLINGS | 3 |
| CONCRETE MATERIALS OF MONTANA LLC | 1280467 | BELGRADE | 43 |
| CONFIDENT WOMEN LLC | 2333657 | COLUMBIA FALLS | 2 |
| CONIFER LOGGING INC | 1241405 | LINCOLN | 1 |
| CONKLIN PROPERTY CLEANOUT | 5168893 | KALISPELL | 1 |
| CONLEY TRANSPORTATION INC | 2857470 | BIGFORK | 1 |
| CONLIN'S FURNITURE INC | 327649 | BILLINGS | 72 |
| CONNECT ONFARM USA INC | 4312947 | BLACK EAGLE | 1 |
| CONNER'S CONCRETE INC | 1222106 | BIG TIMBER | 5 |
| CONNERTON LOGGING LLC | 3853594 | MANHATTAN | 4 |
| CONNIE & ANTHONY TEZAK | 1346267 | ENNIS | 1 |
| CONNOLLY DEVELOPMENT CORP | 1787815 | ST REGIS | 1 |
| CONRAD BUILDING CENTER INC | 1939484 | CONRAD | 2 |
| CONRAD C ECKERT | 1424984 | STEVENSVILLE | 2 |
| CONRAD C GUNDERSON | 811335 | CHOTEAU | 1 |
| CONRAD IMPLEMENT CO | 2469111 | CONRADD | 1 |
| CONRAD REDI-MIX LLC | 3413590 | CONRAD | 3 |
| CONRAD SAND & GRAVEL REDI-MIX INC | 1270875 | CONRAD | 5 |
| CONSCIOUS TRANSPORTATION LLC | 3203664 | SIDNEY | 2 |
| CONSTRUCTABLE DESIGNS LLC | 3561643 | BILLINGS | 1 |
| CONSTRUCTION SPECIALTIES | 1241413 | HELENA | 1 |
| CONSTRUCTIVE SOLUTIONS INC | 2642319 | BOZEMAN | 1 |
| CONTOUR INC | 2574038 | BOZEMAN | 2 |
| CONTRACT DESIGN MOUNTAIN WEST LLC | 4391561 | MISSOULA | 3 |
| CONVENIENT TRANSPORT INC | 3852826 | BOZEMAN | 1 |
| CONVEYABULL INC | 1529000 | BOZEMAN | 0 |
| COOK CREEK PERFORMANCE HORSES | 2263286 | ASHLAND | 2 |
| COOKE CITY RECOVERY LLC | 4538106 | ACTON | 1 |
| COOKE EQUIPMENT INC | 520355 | BILLINGS | 9 |
| COOLSPRING COLONY | 2161214 | RUDYARD | 2 |
| COONEY LIVESTOCK TRUCKING LLC | 1833811 | HARLOWTON | 1 |
| COOPER CONSTRUCTION INC | 1575512 | GREAT FALLS | 1 |
| COOPER TRUCKING INC | 1031459 | CARDWELL | 2 |
| COOPERATIVE SUPPLY CENTER INC | 614445 | VALIER | 8 |
| COP CONSTRUCTION LLC | 53557 | BILLINGS | 30 |
| COPPER CITY ASPHALT | 2289206 | ROCKER | 1 |
| COPPER CITY TRANSPORT LLC | 3791302 | BUTTE | 1 |
| COPPER CREEK LLC | 3318960 | GREAT FALLS | 1 |
| COPPER HOLDINGS LLC | 3926204 | ANACONDA | 1 |
| COPPER HORSE FARM LLC | 2300873 | CHOTEAU | 1 |
| COPPERTONE CONSTRUCTION LLC | 4388073 | SOMERS | 1 |
| CORBY'S TRANSPORT LLC | 3518581 | ARLEE | 1 |
| CORCORAN LOGISTICS LLC | 2236305 | BILLINGS | 0 |
| CORCORAN OILFIELD SERVICES INC | 2259698 | BILLINGS | 10 |
| CORCORAN TRUCKING INC | 53555 | BILLINGS | 87 |
| CORDER CROP CARE LLC | 1689136 | FORT BENTON | 1 |
| COREY JOHNSON | 3534367 | KALISPELL | 1 |
| COREY KNOBLOCH | 7014746 | BIRNEY | 1 |
| CORNERSTONE CONCRETE | 1571014 | BELGRADE | 3 |