| ASPEN ENERGY SERVICE INC | 1567852 | ROCK SPRINGS | 4 |
| ASPEN WOLF TRANSPORT LLC | 3131695 | CHEYENNE | 1 |
| ASPENS DEVELOPMENT CO | 1929474 | ETNA | 1 |
| ASPHALT DOCTORS LLC | 3564725 | MILLS | 1 |
| ASPHALT PROS LLC | 4550022 | CASPER | 2 |
| ASPHALT REFINISHING SERVICES INC | 704438 | CODY | 2 |
| ASPHALTREBELS LLC | 4211709 | BASIN | 1 |
| ASTORIA PREMIER TRANSPORT LLC | 4283396 | CHEYENNE | 1 |
| ASU TRANSPORTATION LLC | 3398796 | WRIGHT | 0 |
| ASU TRANSPORTATION LLC | 2911647 | WRIGHT | 1 |
| ATHLETIC SURFACING INTERNATIONAL | 311590 | DOUGLAS | 1 |
| ATLANTIC ELECTRIC INC | 3382667 | CASPER | 1 |
| ATLAS ENERGY SERVICE | 3098349 | CASPER | 10 |
| ATNIP WELL & PUMP SERVICE INC | 1755290 | LANDER | 3 |
| AUD & DI CAMPGROUND SERVICES INC | 2887493 | ALPINE | 1 |
| AUGUSTE ENTERPRISE LLC | 4106892 | CASPER | 2 |
| AUNTIE Q LLC | 980469 | CODY | 1 |
| AUNTRAPORT LLC | 4369728 | CHEYENNE | 1 |
| AUREUS LUX INC | 4486253 | CASPER | 1 |
| AUSTIN ENGINEERING USA INC | 4554629 | MILLS | 5 |
| AUSTIN TRUCKING LLC | 4022109 | RIVERTON | 1 |
| AUTO DYNAMIC ENGINE REBUILDER INC | 527992 | CASPER | 3 |
| AUTO INN REPAIR INC | 322849 | KEMMERER | 8 |
| AUTO PLUS | 4108722 | LOVELL | 1 |
| AUTO TRANSPORT SOLUTIONS LLC | 4102573 | CASPER | 0 |
| AUTOS DIRECT2U LLC | 3210647 | PINE BLUFFS | 1 |
| AVAIL VALLEY CONSTRUCTION-WY LLC | 3409854 | AFTON | 34 |
| AVD INCORPORATED | 1840913 | BANNER | 2 |
| AVJ CREATIVE MARKETING GROUP | 4252652 | CHEYENNE | 0 |
| AVL TRUCKING LLC | 4015984 | GREEN RIVER | 1 |
| AW3 LOGISTICS LLC | 4167042 | SHERIDAN | 1 |
| AXIOM LOGISTICS LLC | 3356631 | SHERIDAN | 0 |
| AXIOM MOVING SOLUTIONS LLC | 4072975 | SHERIDAN | 1 |
| AXLR8 LOGISTICS LLC | 3056171 | SHERIDAN | 0 |
| AZTEC CONSTRUCTION CO INC | 462251 | CHEYENNE | 15 |
| B & B DRILLING COMPANY INC | 166953 | MILLS | 23 |
| B & B ENTERPRIZES | 1163410 | LARAMIE | 3 |
| B & B ROUSTABOUT SERVICE INC | 786350 | GILLETTE | 2 |
| B & B TRUCKING LLC | 3205284 | TORRINGTON | 1 |
| B & D DOZER & TRUCKING INC | 1402044 | DOUGLAS | 4 |
| B & D HOTSHOT LLC | 1587416 | EVANSTON | 2 |
| B & D SERVICES INC | 1856270 | GILLETTE | 1 |
| B & F ENTERPRISES LLC | 1920020 | LANDER | 1 |
| B & H RIG AND TONG SALES INC | 2201529 | CASPER | 5 |
| B & L EQUIPMENT LLC | 1040335 | BANNER | 1 |
| B & L OILFIELD SERVICE INC | 615959 | GILLETTE | 1 |
| B & M DOZER SERVICE LLC | 2457025 | NEWCASTLE | 5 |
| B & P EXCAVATION INC | 1438657 | ROCK SPRINGS | 2 |
| B & S OIL SERVICES LLC | 2819148 | UPTON | 1 |
| B & T FABRICATION INC | 1323898 | CASPER | 2 |
| B & T TOWING AND RECOVERY | 2944506 | ROCK SPRINGS | 2 |
| B & W CRANE SERVICE INC | 353527 | CASPER | 2 |
| B BUILT CUSTOM SHEDS AND STORAGE LLC | 4471898 | BIG PINEY | 1 |
| B F CONSTRUCTION LLC | 1513797 | ARVADA | 6 |
| B J HUNTLEY | 180147 | GILLETTE | 1 |
| B KREIN SPECIALIZED LLC | 4159905 | GUERNSEY | 1 |
| B N HOLDINGS LLC | 4566349 | GILLETTE | 1 |
| B NELSON TRUCKING LLC | 3165700 | MOORCROFT | 1 |
| B&C TRUCKING LLC | 3422020 | CASPER | 2 |
| B&H SEPTIC LLC | 4446415 | WHEATLAND | 4 |
| B&H SEPTIC LLC | 4446685 | WHEATLAND | 2 |
| B&K LIVESTOCK | 3912005 | DOUGLAS | 4 |
| B&M SAND AND GRAVEL INC | 3298778 | DOUGLAS | 1 |
| B&M SEPTIC AND EXCAVATION SERVICE LLC | 3613075 | RIVERTON | 3 |
| B&M TOWING & TRANSPORTATION SERVICES LLC | 4367651 | CHEYENNE | 2 |
| B&S TRANSPORT LLC | 3501534 | GILLETTE | 1 |
| B-N-C TRASH SERVICE INC | 1806281 | PINEDALE | 4 |
| B3 TRUCKING LLC | 4535885 | ROCK SPRINGS | 4 |
| B86K LOGISTICS LLC | 4416278 | CHEYENNE | 1 |
| B86K LOGISTICS LLC | 4423965 | CHEYENNE | 1 |
| BA BA CONTRACTING | 1375654 | NEWCASTLE | 1 |
| BACE INVESTMENTS | 3106138 | EVANSTON | 4 |
| BACK COUNTRY SPRAYING LLC | 3606814 | BUFFALO | 2 |
| BACKCOUNTRY SAFARIS LLC | 2414154 | WILSON | 4 |
| BACKWATER LOGISTICS LLC | 3541031 | WILSON | 2 |
| BACKYARD BARNS LLC | 2640108 | RAWLINS | 1 |
| BAD BOY TRANSPORTATION LLC | 9615814 | CHEYENNE | 1 |
| BADGER ENTERPRISES LLC | 1946195 | LANDER | 2 |
| BADGER WELDING INC | 1737039 | GILLETTE | 2 |
| BADLANDS ENTERPRISES LLC | 935371 | GILLETTE | 1 |
| BAGGS TESTING & RENTAL INC | 1475084 | BAGGS | 11 |
| BAI-WIL | 3565894 | SHERIDAN | 2 |
| BAILEY CONSTRUCTION | 1677495 | EVANSTON | 1 |
| BAILEY ENTERPRISES INC | 1236789 | RIVERTON | 2 |
| BAILEY RIDGE LLC | 4481504 | CASPER | 1 |
| BAIR PROPERTY MANAGEMENT LLC | 3882379 | LOVELL | 1 |
| BAIRCO CONSTRUCTION INC | 1887968 | LOVELL | 14 |
| BAKER CONCRETE PUMPING LLC | 1673963 | GILLETTE | 1 |
| BAKER FIVE LLC | 3988440 | CODY | 6 |
| BAKER HYDRO-EXCAVATING | 2250801 | MOUNTAIN VIEW | 2 |
| BAKER LEGACY PRESERVATION TRUST | 4212646 | SHERIDAN | 2 |
| BAKER-JOECKS LLC | 1182371 | GUERNSEY | 1 |
| BALD BULL LLC | 3501048 | SHERIDAN | 0 |
| BALDING & BALDING ENT LLC | 1999311 | LAGRANGE | 2 |
| BALDREY CONSTRUCTION LLC | 4136972 | DOUGLAS | 2 |
| BAMBAUER EMERGENCY SERVICES LLC | 6350778 | SHERIDAN | 2 |
| BANCROFT CONSTRUCTION INC | 706595 | WILSON | 2 |
| BANDIT EXPRESS TRANSPORTATION LLC | 4175263 | ROZET | 1 |
| BANKER TOOLS INC | 2815442 | CHEYENNE | 1 |
| BANNER RANCH COMPANY | 705877 | CASPER | 1 |