| WILL HUNT | 563631 | KEMMERER | 4 |
| WILLARD BRYAN | 1778294 | BIG PINEY | 1 |
| WILLARD GANTZ | 751292 | HULETT | 3 |
| WILLARD KAUFFMAN | 1542466 | CARPENTER | 1 |
| WILLIAM A TRUCKING LLC | 608827 | MIDWEST | 4 |
| WILLIAM AULLMAN | 708090 | THAYNE | 2 |
| WILLIAM B KEMERLING | 1185674 | ROZET | 3 |
| WILLIAM C CALDWELL | 1551846 | BONDURANT | 1 |
| WILLIAM C STEWART | 1460429 | PINE HAVEN | 1 |
| WILLIAM CADE HUFF | 4152146 | GREEN RIVER | 1 |
| WILLIAM F BROWNELL | 708244 | CASPER | 1 |
| WILLIAM G GREEN | 1830562 | MARBLETON | 1 |
| WILLIAM GRANT | 2093984 | CASPER | 1 |
| WILLIAM H BARMORE | 708599 | ELK MOUNTAIN | 1 |
| WILLIAM HOFFMAN | 1594734 | NEWCASTLE | 1 |
| WILLIAM J KREJCI | 2392823 | LANCE CREEK | 1 |
| WILLIAM J WOCELKA | 683375 | GLENROCK | 1 |
| WILLIAM KRAMER | 2215890 | LOWELL | 0 |
| WILLIAM LAKE | 1118686 | LA GRANGE | 1 |
| WILLIAM LLOYD HUMPHREY JR | 2132701 | RIVERTON | 1 |
| WILLIAM OGDEN | 1274373 | RAWLINS | 1 |
| WILLIAM PAUL MCGUIRE | 1626321 | PINEDALE | 1 |
| WILLIAM R DALIN | 3943429 | GREYBULL | 1 |
| WILLIAMS TRUCKING INC | 245067 | CASPER | 9 |
| WILLIS TRUCKING LLC | 335386 | ELK MOUNTAIN | 1 |
| WILLOW CREEK TRANSPORT LLC | 2122791 | BEDFORD | 5 |
| WILLOW LAND MANAGEMENT LLC | 3734732 | SHERIDAN | 2 |
| WILSON BROS CONSTRUCTION INC | 1030177 | COWLEY | 26 |
| WILSON FAMILY ENTERPRISES LLC | 3286264 | THAYNE | 1 |
| WILSON FENCING INC | 805623 | DUBOIS | 1 |
| WILSON HARDWARE INC | 2886279 | WILSON | 3 |
| WILSON POWER & TREE SERVICE LLC | 4347479 | SUNDANCE | 6 |
| WILSON SANITATION SERVICES INC | 964735 | THERMOPOLIS | 2 |
| WILSON'S DRILLING LLC | 2373325 | SHOSHONI | 2 |
| WINCHESTER WELL SERVICE INC | 1213264 | WORLAND | 1 |
| WIND CITY SALES AND TRANSPORT LLC | 4383309 | CASPER | 1 |
| WIND RIVER BADGER DAYLIGHTING LLC | 1143932 | KINNEAR | 1 |
| WIND RIVER CABIN COMPANY | 2937941 | CORA | 1 |
| WIND RIVER DRILLING LLC | 4442791 | RIVERTON | 3 |
| WIND RIVER LOGISTICS LLC | 4154892 | JACKSON | 0 |
| WIND RIVER OILFIELD SERVICE INC | 973295 | RIVERTON | 23 |
| WIND RIVER RODEO COMPANY LLC | 3875424 | CROWHEART | 1 |
| WIND RIVER SHUTTLE LLC | 3414412 | LANDER | 1 |
| WIND RIVER TRANSPORT INCORPORATION | 704356 | PINEDALE | 8 |
| WIND RIVER TREE CARE INC | 2302024 | LANDER | 2 |
| WIND SPUR INC | 2319282 | CASPER | 0 |
| WIND WATER INC | 1547518 | BIG PINEY | 8 |
| WINDBIGLER TRANSPORT LLC | 3922223 | DANIEL | 1 |
| WINDY BUTTE RANCH SERVICES | 3447650 | MANDERSON | 1 |
| WINDY HILL CONSTRUCTION INC | 2593036 | LUSK | 3 |
| WINDY RIDGE CONTRACTORS LLC | 4254399 | LANDER | 2 |
| WINDY RIVER CONTRACTING LLC | 4448390 | BIG PINEY | 1 |
| WINK EXCAVATION | 1543597 | DEAVER | 1 |
| WINKLER BROTHERS TOWING & RECOVERY LLC | 2797796 | CHEYENNE | 13 |
| WINTER RIDGE ENERGY | 1660687 | MOORCROFT | 1 |
| WIRE BROTHERS INC | 749408 | ROCK SPRINGS | 31 |
| WIRELINE TECHNOLOGY INC | 2391285 | EVANSTON | 4 |
| WISE ENERGY TRANSPORTATION LLC | 1428387 | UPTON | 1 |
| WISHBONE FENCING COMPANY | 804789 | ALADDIN | 2 |
| WIXXAR LOGISTICS LLC | 3614573 | SHERIDAN | 0 |
| WJ&G TRUCKING LLC | 2482607 | BOULDER | 4 |
| WJP INC | 668627 | ROZET | 2 |
| WLH III TRUCKING LLC | 3785625 | MOORCROFT | 1 |
| WN ENTERPRISES LLC | 4580366 | CHEYENNE | 0 |
| WN MCMURRY CONSTRUCTION CO | 1757987 | CASPER | 1 |
| WOLF DEN SAFARIS LLC | 2906793 | ETNA | 1 |
| WOLF MOUNTAIN COAL INC | 2001071 | SHERIDAN | 8 |
| WOLF SEPTIC LLC | 4394024 | CHEYENNE | 1 |
| WOLF TRUCKING LLC | 4519064 | EVANSTON | 1 |
| WOLFE DRILLING INC | 726389 | LANDER | 2 |
| WOLFE SERVICE CO | 2408947 | NEWCASTLE | 1 |
| WOLFE TRUCKING LLC | 1464196 | BURNS | 1 |
| WOLFF INDUSTRIES INC | 4303567 | POWELL | 26 |
| WOLVERINE ROUSTABOUT SERVICE INC | 1240058 | BUFFALO | 1 |
| WONDERFUL WYOMING HONEY LP | 1441638 | CROWHEART | 1 |
| WOOD WIRELINE SERVICE INC | 910471 | GILLETTE | 30 |
| WOOD WORKS LOGISTICS LLC | 3454437 | SHERIDAN | 1 |
| WOODLAND & RIPARIAN RESTORATION INC | 2517911 | KINNEAR | 12 |
| WOODPILE PRODUCTION | 2563482 | GILLETTE | 1 |
| WOODS INTERIORS INC | 1269308 | SHERIDAN | 1 |
| WOODWARD TRACTOR & RENTALS INC | 594311 | CODY | 2 |
| WOODWARD TRACTOR COMPANY OF GILLETTE | 1086588 | GILLETTE | 1 |
| WOODY FARM AND RANCH LLC | 3081875 | RIVERTON | 2 |
| WOOLERY RANCH INC | 1197690 | KINNEAR | 1 |
| WORK N PLAY TRANSPORTS & RENTALS | 4053076 | EVANSVILLE | 1 |
| WORKHORSE LLC | 1552504 | LARAMIE | 1 |
| WORKMAN CONTRACTING LLC | 1916420 | COWLEY | 2 |
| WORKMAN FENCING | 3435477 | CHEYENNE | 3 |
| WORLAND BROKERAGE LLC | 2303522 | WORLAND | 0 |
| WRANGLER EXCAVATION LLC | 4573899 | CHEYENNE | 2 |
| WRANGLER EXPRESS LLC | 2970840 | SHERIDAN | 1 |
| WRANGLER WELL SERVICE INC | 1281130 | RIVERTON | 23 |
| WRENCH SERVICE LLC | 4375583 | CASPER | 1 |
| WRIGHT CONSTRUCTION LLC | 4491031 | SHERIDAN | 1 |
| WRIGHT INDUSTRIES LLC | 3794262 | SHERIDAN | 0 |
| WRIGHT MINING SOLUTIONS INC | 1766214 | WRIGHT | 2 |
| WRIGHT PROPANE LLC | 721507 | WRIGHT | 3 |
| WRIGHT SERVICES & TRUCKING LLC | 3840318 | WRIGHT | 7 |
| WSG ENERGY SERVICES USA INC | 4294928 | CASPER | 1 |
| WSP TRANSPORT LLC | 4440457 | MOORCROFT | 1 |