| COMPASS LOGISTICS LLC | 3775480 | SHERIDAN | 1 |
| COMPLETE HEAT FRAC SERVICE LLC | 3044913 | BUFFALO | 6 |
| COMPRESSION LEASING SERVICES INC | 1026626 | CASPER | 55 |
| COMPRESSORS PIPING & ROUSTABOUTS INC | 978480 | GILLETTE | 2 |
| CONAN PILOT LLC | 3831419 | BURNS | 1 |
| CONCRETE EXPRESS INC | 705560 | BUFFALO | 4 |
| CONCRETE PRODUCTS OF WYOMING CO | 1846962 | CASPER | 1 |
| CONCRETE RESCUE SLABJACKING LLC | 3602968 | ROCK SPRINGS | 1 |
| CONDIS LLC | 6008738 | SHERIDAN | 2 |
| CONDOR ROOFING | 1060783 | ROCK SPRINGS | 1 |
| CONGO TRANSPORT LLC | 7296382 | SHERIDAN | 10 |
| CONK SHELL LLC | 4120700 | PINEDALE | 1 |
| CONNIE BOTT | 2803576 | CHEYENNE | 1 |
| CONNIE F THOMPSON-BRYANT | 709270 | CASPER | 1 |
| CONQUEST ENERGY SERVICES LLC | 774404 | GILLETTE | 5 |
| CONSOLIDATED CONSTRUCTION INC | 422292 | CHEYENNE | 1 |
| CONSTANTIN CONVEYANCE COMPANY LLC | 3978855 | SUNDANCE | 1 |
| CONSTELLATION TRANSPORTATION LLC | 3885033 | CASPER | 0 |
| CONSTRUCTION SPECIALISTS INC | 2634948 | CHEYENNE | 1 |
| CONTINENTAL CONSTRUCTION INC | 312149 | ALPINE | 3 |
| CONTINENTAL DIVIDE DOGSLED ADVENTURES LLC | 1464448 | DUBOIS | 1 |
| CONTINENTAL INDUSTRIES FIELD SERVICES LLC | 1319318 | CASPER | 22 |
| CONTRACTING WATERING SERVICE INC | 110194 | BUFFALO | 3 |
| CONTRACTORS SUPPLY INC | 3035169 | GILLETTE | 4 |
| CONTROL TEMPERATURE SPECIALISTS INC | 1909599 | ROCK SPRINGS | 1 |
| CONTROLLED SYSTEMS | 1002179 | BUFFALO | 1 |
| CONVEYTECH LLC | 4423765 | DOUGLAS | 1 |
| CONZELMAN TRUCKING LLC | 4496377 | CARLILE | 1 |
| COOK CONTRACTING INC | 1928339 | GILLETTE | 3 |
| COOK MOVING & STORAGE | 714051 | CODY | 5 |
| COOK MOVING AND STORAGE | 4552884 | CODY | 4 |
| COOKSTOOLS LLC | 4290939 | CHEYENNE | 1 |
| COOL HAND WELDING LLC | 2360840 | GLENDO | 2 |
| COOLEY INC | 4350785 | BUFFALO | 1 |
| COONEY FARM LLC | 4215199 | PINE BLUFFS | 1 |
| COONEY HILLS EXCAVATION | 2843178 | WHEATLAND | 2 |
| COOP'S SPRAY SERVICE LLC | 4024473 | SUNDANCE | 7 |
| COOPER CONSTRUCTION LLC | 1833870 | GILLETTE | 1 |
| COOPER WELDING INC | 1177843 | RIVERTON | 1 |
| COORS INTERMOUNTAIN | 772750 | WORLAND | 3 |
| COPD LLC | 1155623 | CASPER | 1 |
| COPE EXCAVATION LLC | 2969652 | AFTON | 3 |
| COPE TRUCKING | 1518770 | ROCK RIVER | 1 |
| COPPER CREEK CONSTRUCTION LLC | 2516114 | BASIN | 2 |
| COPPER MOUNTAIN IRRIGATION LLC | 2450321 | WORLAND | 3 |
| COPPERHEAD ROAD RANCH TRANSPORTATION LLC | 4169248 | CASPER | 1 |
| CORA VALLEY CONSTRUCTION INC | 1120329 | PINEDALE | 2 |
| CORCORAN SERVICES LLC | 1813222 | GILLETTE | 1 |
| CORDOVAS HAULING LLC | 4263216 | ETNA | 6 |
| CORE MOUNTAIN SPORTS LLC | 1373459 | CODY | 3 |
| CORKILL DRILLING INC | 759876 | GLENROCK | 3 |
| CORNERSTONE GENERAL CONTRACTORS LLC | 4423463 | GILLETTE | 1 |
| CORNERSTONE TRANSPORT INC | 2351138 | CASPER | 0 |
| CORTEZ ENERGY | 1018349 | DOUGLAS | 3 |
| CORTEZ TRUCKING LLC | 3524282 | GILLETTE | 2 |
| CORTHELL TRANSPORTATION LLC | 1997208 | ROCK SPRINGS | 14 |
| CORTRANS LLC | 4403346 | ROCK SPRINGS | 1 |
| CORY GRIFFITTS | 2197213 | GLENROCK | 1 |
| CORY HENRY | 1515627 | RIVERTON | 1 |
| COTTIER FARMS INC | 456910 | TORRINGTON | 2 |
| COUNTERWISE INC | 3329888 | ROCK SPRINGS | 2 |
| COUNTRYSIDE CONSTRUCTION INC | 707042 | KEMMERER | 5 |
| COUNTRYSIDE DISPOSAL LLC | 1197400 | CHEYENNE | 3 |
| COUNTRYWIDE CONCRETE PUMPING INC | 2907782 | POWELL | 1 |
| COUNTY FIVE TRUCKING & CONSTRUCTION LLC | 1749954 | LARAMIE | 1 |
| COUNTY TRASH LLC | 2569394 | SHERIDAN | 7 |
| COUSINEAU CONSTRUCTION LLC | 1769227 | RAWLINS | 1 |
| COVERT TRUCKING LLC | 4391985 | PINEDALE | 0 |
| COVOLO AUTO FARM SERVICE | 421767 | MOUNTAIN VIEW | 2 |
| COW CREEK BREAKS LLC | 3050129 | ROZET | 1 |
| COW TRAN 2 0 LLC | 3391203 | DAYTON | 2 |
| COW TRAN LOGISTICS LLC | 4248159 | DAYTON | 0 |
| COW WAGON EXPRESS INC | 1074163 | YODER | 2 |
| COWBOY CONTRACTORS INC | 711211 | LOVELL | 3 |
| COWBOY CREAMERY | 3770593 | SHERIDAN | 1 |
| COWBOY EXPRESS INC | 3753634 | DOUGLAS | 2 |
| COWBOY EXPRESS INC | 2219722 | GILLETTE | 0 |
| COWBOY HAY & COMMODITIES LLC | 2270614 | TORRINGTON | 0 |
| COWBOY LOGISTICS LLC | 4148135 | CODY | 2 |
| COWBOY MOVING STORAGE INC | 502203 | LARAMIE | 9 |
| COWBOY SANITATION LLC | 2901866 | HILLSDALE | 6 |
| COWBOY SEAFOOD-N-PRODUCE LLC | 3857592 | GILLETTE | 3 |
| COWBOY STATE EXCAVATION | 3476795 | CASPER | 1 |
| COWBOY STATE FENCING LLC | 8762163 | RIVERTON | 2 |
| COWBOY STATE TRUCKING INC | 3099409 | KEMMERER | 37 |
| COWBOY TRUSS INC | 675408 | LARAMIE | 1 |
| COWGIRL EXPRESS LLC | 3032893 | CLEARMONT | 1 |
| COWW LLC | 1669307 | GILLETTE | 1 |
| COX AND FISHER INC | 2137837 | POWELL | 1 |
| COXBILL COMPANY | 1984400 | TORRINGTON | 1 |
| COYOTE SANITATION LLC | 2821117 | BURNS | 12 |
| COYOTE TRUCKING INC | 1628716 | ROCK SPRINGS | 4 |
| CPO INC | 1181976 | CASPER | 5 |
| CQ ENERGY SERVICES LLC | 3964907 | GILLETTE | 3 |
| CR OILFIELD CONSTRUCTION INC | 2090011 | BIG PINEY | 1 |
| CRAFTCO METALS SERVICES INC | 1532392 | SHERIDAN | 1 |
| CRAFTSMEN LOGISTICS LLC | 4121924 | SHERIDAN | 1 |
| CRAIG A JOHNSON | 351915 | CHEYENNE | 1 |
| CRAIG A KNUDSEN | 750095 | RELIANCE | 1 |
| CRAIG BIRD | 1220689 | THAYNE | 1 |