| B & W DISPOSAL SERVICE | 1519474 | | Inactive | Carrier |
| BANEBIO LLC | 2111543 | MC736185 | Active | Carrier |
| BARAJAS LANDSCAPING | 4064181 | | Active | Carrier |
| BARNES CABINET SHOP INC | 464883 | | Inactive | Carrier |
| BARRY ALLEN BUSSARD | 958221 | MC628735 | Active | Carrier |
| BARRY B JOHN | 4029378 | | Active | Carrier |
| BARTLETT ROOFING & SHEET METAL INC | 548418 | | Inactive | Carrier |
| BASIC TOWING & RECOVERY | 986358 | | Inactive | Carrier |
| BATRES TOWING & TRANSPORTATION LLC | 4010731 | MC1510032 | Inactive | Carrier |
| BATRES TRANSPORTATION | 2072222 | | Active | Carrier |
| BAUSUM & SAUNDERS INC | 1289627 | | Inactive | Carrier |
| BAY BROTHERS CO | 8624166 | | Active | Carrier |
| BAYSHORE MARINE CONSTRUCTION LLC | 2933151 | | Active | Carrier |
| BCA HOLDINGS LLC | 2783864 | | Active | Carrier |
| BC SUMMIT LLC | 3163053 | | Active | Carrier |
| BD EXPRESS LLC | 3701358 | MC1295236 | Inactive | Carrier |
| BDR EXPRESS INC | 600836 | MC289599 | Inactive | Carrier |
| BEACON COMMERCIAL CONSTRUCTION INC | 1498821 | | Inactive | Registrant |
| BEANVENIDO LLC | 4499124 | | Active | Carrier |
| BEAR ENTERPRISES LLC | 1063257 | | Active | Carrier |
| BEASLEY CONSTRUCTION | 1968192 | | Active | Carrier |
| BEBEJI TRUCKING LLC | 3549328 | MC1188078 | Inactive | Carrier |
| BEDROCK EQUIPMENT LEASING OF MD LLC | 3029774 | | Inactive | Carrier |
| BEHNKE'S TRANSPORTATION LLC | 1840225 | MC667049 | Inactive | Carrier |
| BELL TRUCKING COMPANY LLC | 3137090 | MC96685 | Inactive | Carrier |
| BELMART FOODS LLC | 2458758 | | Inactive | Carrier |
| BENJAMIN M REED | 488479 | | Inactive | Carrier/Shipper |
| BENOIT LANDSCAPE SERVICES LLC | 2132628 | | Active | Carrier |
| B ENVIRONMENTAL INC | 631874 | | Inactive | Carrier |
| BERK HEAVY LLC | 4515875 | MC1788529 | Active | Carrier |
| BERK SALES LLC | 4530403 | | Active | Carrier |
| BERNARD E MUSSER | 1746440 | | Active | Carrier |
| BERNARD G GREEN | 388002 | | Inactive | Carrier |
| BEST GREENVIEW LANDSCAPE | 4326501 | | Active | Carrier |
| BETHEL EVENTS STYLING AND RENTALS LLC | 3811646 | | Inactive | Carrier |
| BETT'R WAY TRUCKING TWO | 2951907 | MC361547 | Active | Carrier |
| BETTY J STONE | 1299237 | MC505717 | Inactive | Carrier |
| BEZA LANDSCAPING LLC | 2528406 | | Active | Carrier |
| BFS TRUCKING | 3846166 | MC1400394 | Inactive | Carrier |
| B F T LLC | 1724853 | | Inactive | Registrant |
| BFT LLC | 2062864 | MC721629 | Inactive | Carrier |
| BG&V TRUCKING COMPANY | 1058579 | | Inactive | Carrier |
| BICK TRANSPORTATION LLC | 3165049 | MC117784 | Inactive | Carrier |
| BIG BROTHERS MOVING LLC | 2008354 | MC708230 | Inactive | Carrier |
| BIG CITY TRANSPORT LLC | 1871408 | MC703960 | Active | Carrier |
| BILL FERGUSON | 285531 | MC195204 | Inactive | Carrier |
| BILL FINK TRUCK REPAIR INC | 549801 | | Inactive | Carrier |
| BILLINGSLEA LEGACY LOGISTICS LLC | 4411803 | MC1733210 | Active | Carrier |
| BITLER'S CONCRETE INC | 1677247 | | Active | Carrier |
| BKSNACKS LLC | 4336691 | | Active | Carrier |
| BLAINE EDWARD RINEHART | 2071589 | | Active | Carrier |
| BLANK BROTHERS INC | 894930 | | Active | Carrier |
| BLAZE IAN SUMMERS | 1506704 | | Active | Carrier |
| BLINK COURIER SERVICE LLC | 4058734 | MC1539583 | Inactive | Carrier |
| BLINK COURIER SERVICE LLC | 4391506 | MC1286019 | Inactive | Carrier |
| BLINK COURIER SERVICE LLC | 3688738 | MC1286019 | Inactive | Carrier |
| BLINK COURIER SERVICE LLC | 4391506 | MC1722806 | Inactive | Carrier |
| BLINK COURIER SERVICE LLC | 4391506 | MC1539583 | Inactive | Carrier |
| BLINK COURIER SERVICE LLC | 4058734 | MC1286019 | Inactive | Carrier |
| BL MYERS BROS OF MD LLC | 1074378 | | Inactive | Carrier |
| BLUE CURB LLC | 4092152 | | Inactive | Carrier |
| BLUE MT EXPRESS INC | 60429 | MC149027 | Inactive | Carrier/Broker |
| BLUE MT. EXPRESS INC | 0 | FF2292 | Active | |
| BLUE RIBBON CONTRACTING INC | 1248928 | | Inactive | Registrant |
| BLUE SKY LANDSCAPING SERVICES LLC | 3298763 | | Active | Carrier |
| BM CONTRACTING LLC | 3462746 | | Active | Carrier |
| BMJ GLOBAL SOLUTIONS LLC | 4477326 | MC1767851 | Active | Carrier |
| BNK INC | 1456008 | | Active | Carrier |
| BOATENG TRANSPORT AND HAULING LLC | 3160500 | MC110846 | Inactive | Carrier |
| BOATENG TRANSPORT AND HAULING LLC | 0 | FF27311 | | |
| BODDICKER ELECTRIC SUPPLY INC | 462753 | | Inactive | Carrier |
| BOLANOS LOGISTICS | 4239487 | MC1641562 | Active | Broker |
| BORELLI PROPERTIES REMODELING LLC | 2262750 | | Active | Carrier |
| BOSS LADY DEE TRUCKING LLC | 3554763 | FF45022 | Inactive | Carrier |
| BOSS LADY DEE TRUCKING LLC | 3554763 | MC1199643 | Inactive | Carrier |
| BOTANICA GRAN PODER 2 | 4280562 | | Active | Carrier |
| BP SOLAR INTERNATIONAL LLC | 808817 | | Active | Carrier |
| BRADDOCK MOTORS | 641065 | | Inactive | Carrier |
| BRAMATI TRANSPORT INC | 591826 | | Inactive | Carrier |
| B R & B ENTERPRISES INC | 1037669 | | Active | Carrier |
| BRANDENBURG ELECTRIC INC | 799229 | | Active | Carrier |
| BRANDON WYMELENBERG HANDYMAN SERVICES | 2083595 | | Inactive | Carrier |
| BRAVCO CONSTRUCTION INC | 1405182 | | Inactive | Carrier |
| BRAYDEN CONSTRUCTION LLC | 3153947 | | Inactive | Carrier |
| BRIA ENTERPRISES LLC | 3320895 | MC1056665 | Inactive | Carrier |
| BRIAN BAKER | 2054068 | | Inactive | Registrant |
| BRIAN BASHAM | 3005644 | MC26403 | Inactive | Carrier |
| BRIAN C HOLZBERGER | 2597997 | | Active | Carrier |
| BRIDGEPATH LLC | 1757781 | | Inactive | Carrier |
| BRIDGES DRYWALL INC | 494602 | | Inactive | Carrier |
| BRISTOL & SONS LLC | 2497623 | MC923796 | Active | Carrier |
| BROADHURST GROOMING SERVICES LLC | 4135478 | | Active | Carrier |
| BROADHURST TREE SERVICE CORP | 552108 | | Active | Carrier |
| BROOKLYN AND BLUE VALLEY LANDSCAPING LLC | 4319486 | | Active | Carrier |
| BROTHERS SOLUTION LLC | 3828222 | | Active | Carrier |
| BROWNING-FERRIS INC FREDERICK DISTRICT | 369119 | | Inactive | Carrier |
| BRUCE D WEBER | 243141 | | Inactive | Carrier/Shipper |
| BRUCHEY BUILDERS INC | 456319 | | Active | Carrier |
| BRUNSWICK EXCAVATING INC | 543559 | | Inactive | Carrier |
| BRYANT SYSTEMS LLC | 2608837 | MC913245 | Inactive | Carrier |