| WESCO OPERATING INC | 2102887 | CASPER | 2 |
| WESCO TRANSPORTATION LLC | 2568954 | CASPER | 1 |
| WEST CONSTRUCTION LLC | 1857597 | GILLETTE | 2 |
| WEST HARRISON ENTERPRISES INC | 4049066 | EVANSTON | 1 |
| WEST HILLS EQUIPMENT RENTALS INC | 1240060 | THAYNE | 1 |
| WEST HILLS EXCAVATION LLC | 2582967 | BEDFORD | 3 |
| WEST HILLS EXCAVATION LLC | 2583967 | BEDFORD | 3 |
| WEST INDY CARRIERS LLC | 3807322 | SHERIDAN | 1 |
| WEST PARK SERVICES LLC | 2298746 | RIVERTON | 2 |
| WEST SIDE SERVICES LLC | 644029 | NEWCASTLE | 3 |
| WEST STAR TRANSPORT LLC | 2801403 | WHEATLAND | 8 |
| WEST WINDS TRUCK AND EQUIPMENT LLC | 4371718 | BOULDER | 2 |
| WESTAR PRINTING LLC | 2515869 | EVANSTON | 2 |
| WESTCO CONCRETE PUMPING LLC | 1789698 | LARAMIE | 1 |
| WESTERN ADMIN SOLUTIONS LLC | 2382915 | MOORCROFT | 1 |
| WESTERN BUILDING SUPPLY LLC | 2487837 | WHEATLAND | 3 |
| WESTERN CABLE LLC | 587533 | WRIGHT | 10 |
| WESTERN CHEMICAL SPECIALTIES INC | 1616235 | EVANSTON | 3 |
| WESTERN COLLISION INC | 1395142 | POWELL | 2 |
| WESTERN CROSSROADS TRUCKING LLC | 2369795 | BUFFALO | 2 |
| WESTERN D SERVICES LLC | 2573939 | DOUGLAS | 14 |
| WESTERN ENERGY FABRICATION LLC | 1269792 | CASPER | 1 |
| WESTERN EXCAVATING TRUCKING INC | 743607 | CHEYENNE | 3 |
| WESTERN FRONTIER LLC | 3155589 | GILLETTE | 5 |
| WESTERN MILL TRANSPORTATION LLC | 4493347 | SHERIDAN | 1 |
| WESTERN MUNICIPAL CONSTRUCTION OF WYOMING INC | 1247119 | MEETEETSE | 2 |
| WESTERN OPS TRUCKING LLC | 4501398 | CASPER | 3 |
| WESTERN OUTHOUSE & SEPTIC SERVICES LLC | 7930596 | RIVERTON | 2 |
| WESTERN PLAINS DISPOSAL SERVICES | 1407484 | CHEYENNE | 3 |
| WESTERN RIG SERVICES LLC | 2471911 | GILLETTE | 7 |
| WESTERN SAFETY SERVICE LLC | 2942640 | CASPER | 0 |
| WESTERN SPRAYING CO | 742608 | POWELL | 2 |
| WESTERN STATES EXCAVATION INC | 2921815 | RIVERTON | 3 |
| WESTERN TRADITION | 374114 | CHEYENNE | 2 |
| WESTERN TRANSPORT LLC | 1778516 | SHERIDAN | 40 |
| WESTERN TRAVEL MERCHANTS | 2221814 | CODY | 0 |
| WESTERN TRUCKING & EXCAVATING | 1993677 | CHEYENNE | 4 |
| WESTERN WASTE SOLUTIONS INC | 2182100 | ROZET | 7 |
| WESTERN WATER SERVICE LLC | 2066710 | NEWCASTLE | 3 |
| WESTERN WATER WELL AND PUMP SERVICE | 4556987 | CASPER | 3 |
| WESTERN WYOMING BEVERAGES | 3373750 | ROCK SPRINGS | 28 |
| WESTERN WYOMING BEVERAGES | 580047 | ROCK SPRINGS | 25 |
| WESTERN WYOMING TIMBER SERVICES LLC | 3962136 | AFTON | 1 |
| WESTERN WYOMING TIMBER SERVICES LLC | 2627298 | AFTON | 1 |
| WESTERN WYOMING TRANSPORTATION LLC | 3244070 | ROCK SPRINGS | 5 |
| WESTON WEED CONTROL LLC | 4246172 | WESTON | 2 |
| WESTWOOD CURTIS CONSTRUCTION INC | 404785 | JACKSON | 2 |
| WET WORKS ENERGY LLC | 4082186 | GILLETTE | 1 |
| WHALEY RANCH LLC | 2049790 | GREYBULL | 1 |
| WHAT A DUMP | 3161199 | POWELL | 1 |
| WHEAT ENTERPRISES LLC | 378248 | LARAMIE | 1 |
| WHEATLAND RECOVERIES LLC | 4497351 | HILLSDALE | 1 |
| WHEATLAND RURAL ELECTRIC ASSOCIATION | 432902 | WHEATLAND | 6 |
| WHEEL WAZE LLC | 4370101 | CHEYENNE | 0 |
| WHEELER LAND AND CATTLE CO LLC | 3847910 | MILLS | 2 |
| WHEELHAUL LLC | 1085156 | SHERIDAN | 2 |
| WHEELHAUS INC | 3033527 | WILSON | 2 |
| WHIP N RIDE LLC | 1669324 | GILLETTE | 1 |
| WHIPLASH HOTSHOT INCORPORATED | 2250283 | SHOSHONI | 1 |
| WHIRLWIND CONSTRUCTION | 1825539 | NEWCASTLE | 2 |
| WHISLER CHEVROLET CO INC | 2911335 | ROCK SPRINGS | 1 |
| WHITE FAMILY ACQUISITION LLC | 9214523 | GILLETTE | 2 |
| WHITE GLOVE MOVING AND STORAGE LLC | 4283170 | SHERIDAN | 0 |
| WHITE MOUNTAIN CONSTRUCTION INC | 1330602 | ROCK SPRINGS | 1 |
| WHITE MOUNTAIN LUMBER AND BUILDING MATERIALS INC | 456370 | GREEN RIVER | 4 |
| WHITE MOUNTAIN OPERATING LLC | 1954923 | PINEDALE | 20 |
| WHITE MOUNTAIN TRAILER SALES | 1271989 | ROCK SPRINGS | 1 |
| WHITE MOUNTAIN TRANSPORTATION LLC | 1839657 | ROCK SPRINGS | 1 |
| WHITE MOUNTAIN TRUCKING LLC | 3556671 | CHEYENNE | 1 |
| WHITE'S MOUNTAIN MOTORS LLC | 891689 | CASPER | 1 |
| WHITLARR LOGISTICS LLC | 4552490 | SHERIDAN | 0 |
| WHITLOCK MOTORS LLC | 3572499 | CODY | 1 |
| WHITNEY LIVESTOCK AND TRUCKING LLC | 4383652 | NEWCASTLE | 1 |
| WHITS END | 2420302 | DANIEL | 3 |
| WIDE OPEN ENTERPRISES LLC | 4566754 | CARPENTER | 1 |
| WIDE OPEN FARMS LLC | 2891665 | CARPENTER | 3 |
| WIDE OPEN RANGE LLC | 4272153 | SHERIDAN | 1 |
| WILBUR THOMPSON | 706580 | GREYBULL | 1 |
| WILCOX BROTHERS OF STERLING INC | 4128425 | CHEYENNE | 2 |
| WILD CAT WELL SERVICE & DRILLING | 3540191 | BUFFALO | 7 |
| WILD HORSE TRANSPORT LLC | 4316402 | TORRINGTON | 1 |
| WILD ROSE TRUCKING | 3121519 | CASPER | 2 |
| WILD THINGS OF WYOMING | 2512733 | WILSON | 5 |
| WILD WEST COACH LLC | 3974833 | RIVERTON | 2 |
| WILD WEST CONSTRUCTION LLC | 2294043 | GLENROCK | 5 |
| WILD WEST FREIGHT LLC | 3636109 | ROCK SPRINGS | 1 |
| WILD WEST TRANSPORTATION | 3286723 | JACKSON | 4 |
| WILD WEST TRUCKING LLC | 2160494 | MARBLETON | 2 |
| WILD WEST WELL SERVICE INC | 1013366 | GILLETTE | 1 |
| WILDCAT HOT OIL SERVICE LLC | 3145029 | GILLETTE | 25 |
| WILDCAT WELDING & OPERATING INC | 707040 | GILLETTE | 6 |
| WILDER PERFORMANCE LLC | 4101808 | POWELL | 1 |
| WILDERNESS RIDGE DRIVELINE & FABRICATION LLC | 2285477 | GLENROCK | 1 |
| WILDHORSE PIPELINE LLC | 1317694 | GILLETTE | 2 |
| WILDHORSE SETUP LLC | 4252082 | CHEYENNE | 1 |
| WILDMAN FARMS INC | 799051 | MANDERSON | 6 |
| WILDWEST EXPRESS INC | 1232435 | BEAR RIVER | 2 |
| WILFORD R LYM | 702324 | EVANSTON | 2 |
| WILL DO REPAIRS LLC | 4471590 | AFTON | 1 |
| WILL F MITCHELL | 794335 | WRIGHT | 3 |