| MARVIN LEE CARR III | 1761397 | | Inactive | Registrant |
| MARVIN S HOOVER | 793223 | | Inactive | Carrier |
| MARYLAND COMMERCIAL SERVICES INC | 542854 | | Inactive | Carrier |
| MARYLAND MIDLAND RAILWAY INC | 892326 | | Active | Carrier |
| MATTHEW DWAYNE BROADHURST | 1060944 | | Inactive | Carrier |
| M B STOREY TRUCKING LLC | 3683370 | MC1313085 | Active | Carrier |
| MD HORSE FENCING LLC | 3105294 | | Active | Carrier |
| MICHAEL ADKINS | 2441912 | | Inactive | Carrier |
| MICHAEL MOORE | 2017862 | | Active | Carrier |
| MICHAEL PAUL ROBERTSON | 1265685 | | Inactive | Registrant |
| MICHAEL TORKELSON | 2874239 | | Active | Carrier |
| MICHAEL W REDDEN SR | 1516163 | MC591354 | Inactive | Carrier |
| MID ATLANTIC TRANSFER | 4566895 | MC1816030 | Active | Carrier |
| NEAL LEON HERBERT | 4534476 | MC1798504 | Active | Carrier |
| NEVIN B LONG | 1395369 | | Active | Carrier |
| NORA RAYNE TRANSPORT LLC | 3864322 | | Active | Carrier |
| ODDS-N-ENDS SPECIALITIES | 2428631 | | Inactive | Carrier |
| ONEIL & SHAROME TRUCKING LLC | 4203761 | MC1622235 | Active | Carrier |
| PAUL DOTTERER | 1216167 | | Inactive | Carrier |
| PAUL EICHMAN | 0 | MC92955 | | |
| PAUL L HIGGINS | 897738 | | Active | Carrier |
| PEDESTAL EVENTS GROUP INC | 1259584 | | Active | Carrier |
| PREMIER TRASH SERVICES LLC | 1984734 | | Active | Carrier |
| PRIDDY FASHIONABLE LLC | 1977686 | | Active | Carrier |
| R AND J TRANSPORT LLC | 1932015 | MC690083 | Inactive | Carrier |
| RAYMOND R HOUCK | 904458 | | Inactive | Carrier |
| RDM TRANSPORT SERVICES LLC | 3867756 | MC1415064 | Inactive | Carrier |
| RELIABLE RESTORATION AND HOME IMPROVEMENTS LLC | 2924651 | | Inactive | Carrier |
| RICHARD THOMPSON LANDSCAPING | 1755204 | | Active | Carrier |
| RKM EARTHWORKS | 2436216 | | Inactive | Carrier |
| ROBERT CLAYTON BLOOM JR | 2091415 | | Inactive | Registrant |
| ROBERT CLINE | 4060998 | | Active | Carrier |
| ROBERT DEVILBISS | 2506255 | | Active | Carrier |
| ROCKY CREEK FARM | 2555838 | | Inactive | Carrier |
| ROMANOFF REPAIRS LLC | 4357608 | MC1704675 | Active | Carrier |
| ROY L FORNEY TRUCKING | 1063987 | | Inactive | Carrier |
| SAMUEL B MULLER | 3017893 | | Active | Carrier |
| SAN ISIDRO TRANSPORT LLC | 3743972 | | Inactive | Carrier |
| SEARCH DOGS INC | 1026966 | | Inactive | Carrier |
| SEAVIEW CONSTRUCTION SERVICES LLC | 3263750 | | Active | Carrier |
| SENSENIG TREE CARE LLC | 2636997 | | Active | Carrier |
| SHANE WEEKS | 2812640 | | Active | Carrier |
| SHELTON PLUMBING & HEATING INC | 1836603 | | Inactive | Registrant |
| SICHERT'S WATER DELIVERY | 1043212 | | Active | Carrier |
| SIDNEY D LEASE JR | 924171 | | Active | Carrier |
| SKS EQUIPMENT & DIESEL REPAIR | 484582 | | Active | Carrier |
| SKS EQUIPMENT & DIESEL REPAIR | 3815675 | | Inactive | Carrier |
| SLEIPNIR LLC | 4063465 | MC1542272 | Active | Carrier |
| STAFFORD'S PRODUCE LLC | 3195330 | | Inactive | Carrier |
| STAMBAUGH'S INC | 404009 | MC432748 | Active | Carrier |
| STAMBAUGHS WELDING INC | 1639659 | | Active | Carrier |
| STAUBY'S EXCAVATING LLC | 3011452 | | Active | Carrier |
| STEVEN ALLEN HENRY II | 3263004 | | Active | Carrier |
| STEVEN HINES | 2129538 | | Active | Carrier |
| STEVEN K STAMBAUGH JR | 1979511 | | Inactive | Registrant |
| STEVEN P HACKENBERRY | 2403957 | | Inactive | Carrier |
| STEVEN Q TESTERMAN | 899245 | | Active | Carrier |
| STIDHAM TRUCKING | 3118302 | MC86508 | Active | Carrier |
| STRAIGHT LINE SAFETY LLC | 1964890 | | Active | Carrier |
| SUNQUEST INC | 2351936 | | Active | Carrier |
| TAJ CONTRACTING LLC | 3833170 | | Active | Carrier |
| THE DYMOND GROUP LLC | 3343401 | | Active | Carrier |
| THE KEY TO LANDSCAPING | 3010767 | | Active | Carrier |
| THOMAS W POWEL | 1686156 | | Active | Carrier |
| TIM WORTHY CONSTRUCTION CO INC | 2489804 | | Inactive | Carrier |
| TIPTONS' INC | 536192 | | Active | Carrier |
| TMJ TRUCKING LLC | 3825464 | MC1385772 | Active | Carrier |
| TOW RIGHT LLC | 3961375 | MC1477444 | Inactive | Carrier |
| TYLER JONES | 3472596 | MC1137059 | Inactive | Carrier |
| ULBRICH QUALITY HORSE TRANSPORT INC | 839340 | MC375423 | Inactive | Carrier |
| UTILITY SERVICES INC | 435169 | | Inactive | Carrier |
| VON EIFF INC | 647919 | | Active | Carrier/Shipper |
| WARD BUSINESS GROUP LLC | 3597328 | MC1220633 | Inactive | Carrier |
| WELDING CONTRACTORS LLC | 1842022 | | Inactive | Carrier |
| WILDE SERVICES | 2921977 | | Inactive | Carrier |
| WILLIAM L FLICKINGER | 1293847 | | Inactive | Carrier |
| WILLIAM M ROWE | 470646 | | Inactive | Carrier |
| WILLIAM R FORNEY SR | 1121227 | | Inactive | Carrier |
| XTREME FABRICATION LLC | 1874067 | | Active | Carrier |
| XTREME SNOW & ICE CONTROL LLC | 2872616 | | Active | Carrier |