| A&M BUS SERVICE | 3960606 | MC1476915 | Inactive | Carrier |
| ABE HOPPER | 1328015 | | Inactive | Registrant |
| ABEY ENTERPRISE | 2888197 | | Active | Carrier |
| ADAMS TRANSPORTATION LLC | 4255221 | MC1650065 | Active | Carrier |
| ADVANTAGE EXCAVATION & CONTRACTING | 1247906 | | Inactive | Carrier |
| ALL STAR FREIGHT BROKERAGE INC | 2236188 | MC557466 | Active | Broker |
| ALL THE RIGHT MOVES INC | 1158750 | MC466677 | Active | Carrier |
| AMOS ALBRIGHT TOOLS LLC | 3460895 | | Active | Carrier |
| ANCHORAGE MARINE | 8194493 | | Active | Carrier |
| ANIMALS IN MOTION | 281988 | | Inactive | Carrier |
| ANNAPOLIS MOBILE POWER SERVICES INC | 392575 | | Inactive | Carrier |
| ANNAPOLIS SANITATION | 1994862 | | Active | Carrier |
| ANNAPOLIS SANITATION LLC | 3613584 | | Active | Carrier |
| ASKEW AGRI-SERVICES LLC | 2052603 | MC1005798 | Active | Carrier |
| AWESOME PARTY RENTALS LLC | 4417004 | | Inactive | Carrier |
| B&H INC | 325801 | | Inactive | Carrier |
| BAY COUNTRY BUILDERS OF MD LLC | 2382586 | | Active | Carrier |
| BAYSIDE POOLS LLC | 4403303 | | Active | Carrier |
| BAYSIDE RESTROOMTRAILER RENTALS | 3399031 | | Inactive | Carrier |
| BENJAMIN DENNY | 1253816 | | Inactive | Carrier |
| BINBATH CURBSIDE CLEANING LLC | 4435979 | | Inactive | Carrier |
| BLACK DOG FAMILY FARMS LLC | 2792663 | | Active | Carrier |
| BLUE CRAB LANDSCAPING & RESTORATION | 3239647 | | Inactive | Carrier |
| BLUE WATER CONSTRUCTION LLC | 4434163 | | Active | Carrier |
| BLUE WATER PLUMBING SERVICES LLC | 3343815 | | Inactive | Carrier |
| BRANDON KIMBLES | 3042341 | | Active | Carrier |
| BRANHAM DISPOSAL INC | 3757432 | MC1336295 | Inactive | Carrier |
| BRANHAM EXCAVATING INC | 3282884 | | Inactive | Carrier |
| BRICKWORKS & PAVERS LLC | 3850175 | | Active | Carrier |
| BRIDGETOWN FARMS INC | 1293813 | | Active | Carrier |
| BRUCE IVINS | 1318714 | | Active | Carrier |
| BTG BOSSHOGG & LAND CLEARING INC | 1686707 | MC619605 | Inactive | Carrier |
| CALLAHANS GAS INC | 772565 | | Active | Carrier |
| CALLAWAY TRANSPORT INC | 426875 | MC306893 | Active | Carrier |
| C&C BUILDER SERVICES | 1532249 | | Inactive | Registrant |
| C&E TRANSPORT LLC | 3386436 | MC1087677 | Active | Broker |
| CARROLL BROS CONTRACTING LLC | 1208001 | | Active | Carrier |
| C D TURNER | 291785 | MC193583 | Inactive | Carrier |
| CENTRAL SOD FARMS INC | 397660 | | Active | Carrier |
| CENTREVILLE AUTO AND TRUCK CENTER LLC | 2312161 | | Active | Carrier |
| CENTREVILLE CRAB COMPANY LLC | 2593153 | | Inactive | Carrier |
| CENTREVILLE MANUFACTURING INC | 2294464 | | Inactive | Carrier |
| CENTREVILLE TAG ALONG TRAILES INC | 7721 | | Inactive | Carrier |
| CENTREVILLE TOWING | 2260629 | | Active | Carrier |
| CHAIRES BROS EQUIP INC | 454596 | | Inactive | Carrier |
| CHARLES ANTHONY TRUCKING LLC | 1623250 | | Inactive | Carrier |
| CHERYL'S MATERIAL TRANSPORT INC | 671914 | | Inactive | Carrier |
| CHESTER RIVER CLAM COMPANY INC | 352794 | | Active | Carrier |
| CHIM CHIMINEY | 4111889 | | Active | Carrier |
| CHUCK'S ELECTRICAL SERVICE INC | 1431944 | | Active | Carrier |
| CHURCH HILL AUTOMOTIVE AND TOWING LLC | 1821064 | MC660897 | Active | Carrier |
| CIMBA TRUCKING INC | 1265522 | MC494983 | Inactive | Carrier |
| CJ'S QUALITY PAVING AND CONTRACTING LLC | 2033707 | | Active | Carrier |
| CLARK ARVIG TRAYLOR LLC | 1148752 | | Inactive | Carrier |
| CLAUDE W HALL JR | 493500 | MC822542 | Active | Carrier |
| C M GARRETT INC | 3882266 | | Active | Carrier |
| COASTAL DOCK AND PILE INCORPORATED | 2448587 | | Active | Carrier |
| COPPAGE PAVING INC | 1302961 | MC505486 | Active | Carrier |
| CORSICA AGGREGATE & EXCAVATION LLC | 1287462 | | Active | Carrier |
| COUNTRY FIELDS INC | 1998523 | | Active | Carrier |
| COURSEY EXCAVATING LLC | 3970901 | | Active | Carrier |
| CRAMER ENTERPRISES | 1350596 | | Active | Carrier |
| CRONSHAW TRUCKING LLC | 2726341 | MC923656 | Active | Carrier |
| C TEMPLE RHODES JR | 939241 | | Inactive | Carrier |
| DALE ALLEN BENNETT | 1034060 | | Inactive | Carrier |
| DALE L DRINKS | 1039419 | | Active | Carrier |
| DALE WALLS | 3279662 | | Active | Carrier |
| DANIEL C SHORTALL | 1351571 | | Inactive | Carrier |
| DANIEL KRAMER | 1211069 | | Active | Carrier |
| DANNY'S CENTREVILLE GARAGE LLC | 4508357 | | Active | Carrier |
| DAVID BRAIN WILSON | 2100528 | | Inactive | Carrier |
| DAVID G BAUER LLC | 1347638 | MC569861 | Active | Carrier |
| DAVID PIVER | 2268458 | | Inactive | Carrier |
| D B WHARTON CIRCUS DAVID BURTON WHARTON | 39989 | | Inactive | Carrier |
| DEBORAH GRAY | 1877216 | | Inactive | Carrier |
| DEVIN TURNER | 1731240 | | Inactive | Carrier |
| DLL FARMS INC | 810770 | MC992120 | Inactive | Carrier |
| DORSEY D PATCHETT III | 2024731 | | Active | Carrier |
| DOUGLAS E BOONE | 1439852 | MC544164 | Inactive | Carrier |
| DOWNES LAWN SERVICE | 2506246 | | Active | Carrier |
| DRJ REFUSE INC | 334600 | | Inactive | Carrier |
| EARL WILMER SR | 62042 | | Active | Carrier |
| EARTH DATA INC | 439027 | | Inactive | Carrier |
| EARTH DATA INCORPORATED | 2547262 | | Active | Carrier |
| EARTHWORKS EXCAVATING LLC | 1031877 | | Inactive | Carrier |
| EASTERN CONTRACTING INC | 1158509 | | Active | Carrier |
| EDWARD CRIST RINE | 1312795 | | Active | Carrier |
| EDWIN COOK JR | 1659845 | MC610499 | Inactive | Carrier |
| ETHANS TRUCKING LLC | 4057955 | MC1539164 | Inactive | Carrier |
| FINAL TOUCH EXTERIORS LLC | 3064829 | FF22769 | Active | Carrier |
| FIREMAN CIGARS LLC | 3436409 | | Active | Carrier |
| FOX HILL EVENTING | 4164724 | | Active | Carrier |
| FRANCISCO AYALA LLC | 3876944 | MC1421142 | Active | Carrier |
| FRANKLIN B TODD JR | 4093739 | | Active | Carrier |
| FRANKLIN TYLER JR | 3091415 | | Inactive | Carrier |
| FRANK PHILLIPS | 1077317 | | Active | Carrier |
| G & D TRUCKING INC | 667487 | MC315312 | Inactive | Carrier |
| G & G DISTRIBUTORS INC | 3385918 | | Inactive | Carrier |
| G & G DISTRIBUTORS INC | 1002514 | | Active | Carrier |
| GARY E YOUNG | 428309 | | Inactive | Carrier |