| MIKE LOONEY CONSTRUCTION LLC | 1242550 | DANIEL | 1 |
| MIKE MILO | 1029093 | EVANSVILLE | 1 |
| MIKE NOURMOHAMADIAN | 4133166 | CASPER | 1 |
| MIKE VERNIER | 1021708 | BUFFALO | 3 |
| MIKE WYNN | 1266542 | WORLAND | 1 |
| MILE'S TOWING & RECOVERY INC | 334873 | GILLETTE | 7 |
| MILES BEVERAGE INC | 110245 | AFTON | 3 |
| MILES EXPRESS LLC | 1084447 | WORLAND | 1 |
| MILES LAND & LIVESTOCK CO | 358086 | CASPER | 3 |
| MILES M MILLER | 1243842 | DOUGLAS | 2 |
| MILES TRUCKING COMPANY | 702395 | LINGLE | 1 |
| MILHOUS CO LLC | 4496169 | GILLETTE | 1 |
| MILL IRON 44 DISPATCH LLC | 2025725 | BUFFALO WY | 1 |
| MILL IRON B EXCAVATION LLC | 3498641 | ROCK SPRINGS | 1 |
| MILL IRON DIAMOND RANCH | 3403571 | SHAWNEE | 2 |
| MILL IRON LAZY L LLC | 4255622 | KEMMERER | 1 |
| MILLENNIAL SERVICES LLC | 3287580 | ROCK SPRINGS | 3 |
| MILLER ENTERPRISES INC | 606470 | LANCE CREEK | 6 |
| MILLER EXCAVATION LLC | 3440150 | CROWHEART | 2 |
| MILLER FARM LLC | 617832 | BASIN | 2 |
| MILLER INDUSTRIAL SERVICES LLC | 2329141 | CARPENTER | 1 |
| MILLER LAND AND LIVESTOCK COMPANY INC | 3916263 | BIG PINEY | 1 |
| MILLER LOGISTIC LLC | 4340414 | CHEYENNE | 1 |
| MILLER RANCH TRANSPORT LLC | 1469422 | RIVERTON | 2 |
| MILLER&SONS CONSTRUCTION INC | 3213630 | CHEYENNE | 1 |
| MILLERS FABRICATION & CONSTRUCTION | 318535 | LOVELL | 3 |
| MILLIKIN RANCH | 3839544 | GLENDO | 1 |
| MILLIKIN WELL DRILLING | 2946567 | GLENDO | 3 |
| MILLIKIN WELL DRILLING LLC | 4108428 | GLENDO | 3 |
| MILNES | 4161500 | WHEATLAND | 1 |
| MILO FEAR | 2201157 | MARBLETON | 1 |
| MINCHOWS SERVICE LLC | 843807 | LOVELL | 7 |
| MINING SOLUTIONS INC | 1515925 | WRIGHT | 2 |
| MIRACLE MOMENTS EXPRESS TRUST | 4085319 | SHERIDAN | 1 |
| MIS INDUSTRIAL SUPPLY LLC | 2048575 | CASPER | 2 |
| MISSOURI BUTTES TRUCKING LLC | 2118017 | GILLETTE | 1 |
| MISTER WELL SERVICE INC | 955691 | GILLETTE | 1 |
| MITCH'S STEEL BUILDING & CONCRETE INC | 711288 | ROCK SPRINGS | 2 |
| MITCHELL AG SERVICES LLC | 4276325 | SHERIDAN | 1 |
| MITCHELL R SHAPIRO | 941428 | JACKSON | 1 |
| MJ DRILLING INC | 518907 | BUFFALO | 7 |
| MJR INNOVATIONS LLC | 4181429 | LARAMIE | 5 |
| MKM LOGISTICS LLC | 3551044 | CASPER | 1 |
| ML INDUSTRIAL SERVICE INC | 4405621 | BOULDER | 1 |
| ML2 LLC | 2912581 | GILLETTE | 1 |
| MLT TRUCKING | 52219 | TORRINGTON | 3 |
| MN BAKER FARMS LLC | 7410338 | POWELL | 12 |
| MN BAKER FARMS LLC | 427719 | POWELL | 4 |
| MNT MODERN TECHNOLOGIES LLC | 4317154 | CHEYENNE | 5 |
| MO SOLID CONTINENTAL LLC | 4575128 | LARAMIE | 1 |
| MO SQUARED FREIGHT LLC | 4249649 | EVANSVILLE | 2 |
| MOBILE CONCRETE INC | 710849 | MILLS | 48 |
| MOBILE MESSIAH LLC | 4303259 | CASPER | 2 |
| MOCA TRUCKING LLC | 3719029 | GILLETTE | 2 |
| MODERN ELECTRIC CO | 531722 | CASPER | 5 |
| MODERN LOGISTICAL CONCEPTS LLC | 4568733 | CHEYENNE | 1 |
| MODERN PETROLEUM SERVICE INC | 1325618 | WORLAND | 5 |
| MOFFAT & SON INC | 253968 | CASPER | 2 |
| MONEYHUN EQUIPMENT SALES & SERVICE CO INC | 961999 | ROCK SPRINGS | 4 |
| MONTE C GREEN | 1396598 | BUFFALO | 1 |
| MONTE WILLIAM STRALEY | 2963308 | SUNDANCE | 1 |
| MONZON TRUCKING LLC | 3059403 | ROCK SPRINGS | 1 |
| MOODY EXPRESS TRANSPORT LLC | 5250878 | GILLETTE | 1 |
| MOONGLADE EXPRESS LLC | 4137188 | SHERIDAN | 1 |
| MOONLIGHT SERVICES LLC | 3422714 | EVANSTON | 2 |
| MOONSHINE TRUCKERS LLC | 3951569 | WRIGHT | 1 |
| MOORCROFT EQUIPMENT RENTAL LLC | 5773509 | MOORCROFT | 1 |
| MOORE HIGH-VELOCITY TRANSPORT LOGISTICS LLC | 3969410 | CHEYENNE | 0 |
| MOORE INSULATION CO INC | 668626 | CHEYENNE | 7 |
| MOORE LOVE FOUNDATION LLC | 4119013 | CASPER | 0 |
| MOORE MINING OILFIELD SERVICE INC | 962290 | GILLETTE | 4 |
| MOOREHOUSE INC | 2334297 | TORRINGTON | 8 |
| MOOSE CHASE VENTURES LLC | 4006513 | JACKSON | 1 |
| MOOSEHORN TRUCKING LLC | 3587260 | GREEN RIVER | 1 |
| MORALES C TRUCKING LLC | 4566020 | JACKSON | 2 |
| MORANDIN CONCRETE | 172264 | CHEYENNE | 14 |
| MORELAND WYOMING AUTO SALES INC DBA COWBOY DODGE CHRYSLER JEEP RAM | 3411355 | CHEYENNE | 1 |
| MORNING STAR LOGISTICS COMPANY | 1690425 | LYMAN | 1 |
| MORNING STAR OIL CO LLC | 1785121 | THERMOPOLIS | 2 |
| MORRHAWK GROUP LLC | 2238870 | CHEYENNE | 0 |
| MORRIS & SONS LOGISTICS LLC | 4606525 | CHEYENNE | 3 |
| MORRIS HOCHSTEDLER | 1106802 | YODER | 2 |
| MORRISON TRUCKING INC | 725489 | SAVERY | 2 |
| MOSER ENGINE SERVICE | 430976 | EVANSVILLE | 77 |
| MOUNT CARMEL WILDERNESS INTERVENTIONS INC | 1574857 | POWELL | 1 |
| MOUNTAIN CEMENT COMPANY INC | 274155 | LARAMIE | 8 |
| MOUNTAIN CONCRETE LLC | 3935669 | POWELL | 8 |
| MOUNTAIN CONSTRUCTION COMPANY | 875605 | LOVELL | 33 |
| MOUNTAIN DELIVERY NETWORK LLC | 6391473 | JACKSON | 2 |
| MOUNTAIN EQUIPMENT RENTAL LLC | 1504653 | JACKSON | 1 |
| MOUNTAIN HIGH ENTERPRISES LLC | 1747424 | KEMMERER | 1 |
| MOUNTAIN LINE INC | 3558740 | ROCK SPRINGS | 90 |
| MOUNTAIN MAN WOOD PROJECTS | 3488407 | TEN SLEEP | 2 |
| MOUNTAIN MOVERS INC | 899547 | JACKSON | 2 |
| MOUNTAIN PASS LLC | 2379377 | ETNA | 1 |
| MOUNTAIN PEAK BUILDERS LLC | 1654365 | GILLETTE | 2 |
| MOUNTAIN RESORT SERVICES | 1843643 | JACKSON | 28 |
| MOUNTAIN STAR PRODUCTS LLC | 4028275 | AFTON | 9 |
| MOUNTAIN STATES DRILLING PUMP AND EXCAVATION LLC | 4222113 | AFTON | 4 |
| MOUNTAIN STATES HOTSHOT LLC | 4486339 | GILLETTE | 1 |