| Guthrie Job Corps | 4919897 | 67 | 278 | Interstate |
| Gold Line Trailways | 120818 | 45 | 56 | Interstate |
| Livingston Fire Protection INC | 339758 | 35 | 35 | Intrastate |
| U-Haul | 428414 | 29 | 74 | Interstate |
| Thrifty Iron Works INC | 390437 | 26 | 26 | Interstate |
| First Baptist Church Of Glenarden | 3347021 | 26 | 18 | Intrastate |
| Bookstore Movers LLC | 2005212 | 23 | 23 | Interstate |
| Metro Paving Corporation | 693365 | 22 | 17 | Interstate |
| Tobar Construction INC | 988171 | 22 | 20 | Interstate |
| Apollo Ice | 9417276 | 21 | 16 | Interstate |
| Potomac Construction Company LLC | 859910 | 20 | 10 | Interstate |
| Uptown Bakers | 1408083 | 20 | 28 | Interstate |
| Kaslo Enterprise LLC | 2362233 | 19 | 19 | Interstate |
| Lawrence Street Industry LLC | 1321174 | 18 | 17 | Interstate |
| K Neal International Trucks INC | 1100011 | 15 | 15 | Interstate |
| Gev Contractors LLC | 4137718 | 15 | 20 | Intrastate |
| Purple Line Transit Operators, LLC | 6854171 | 14 | 2 | Intrastate |
| Washington Air Compressor Rental CO | 36838 | 13 | 8 | InterstateHazmat |
| Perfect Settings LLC | 881869 | 13 | 6 | Interstate |
| Denchfield Landscaping INC | 1165054 | 13 | 13 | Interstate |
| Event Network | 3821027 | 13 | 13 | Interstate |
| Associated Builders, Inc. | 7560462 | 13 | 24 | Interstate |
| Alcoa Concrete & Masonry INC | 1287955 | 12 | 12 | Interstate |
| Central Towing | 835914 | 11 | 11 | InterstateHazmat |
| Solid Gold Trading | 2099063 | 11 | 10 | Interstate |
| Greenwald Supply Direct LLC | 2438012 | 11 | 11 | Interstate |
| Tekpro Support Services | 4005872 | 11 | 8 | Interstate |
| Ama Construction CO INC | 1039745 | 10 | 5 | Interstate |
| Swift Delivery And Logistics INC | 2238604 | 10 | 10 | Interstate |
| Twenty One Services | 3108339 | 10 | 5 | Interstate |
| Long Tail Logistics | 7600451 | 10 | 10 | Interstate |
| Instantwhip Baltimore INC | 351631 | 9 | 9 | Interstate |
| Welbourne Electrical Services | 513848 | 9 | 7 | Intrastate |
| Prime Foods INC | 742899 | 9 | 9 | Interstate |
| Medride INC | 2455149 | 9 | 9 | Intrastate |
| Apollo Ice INC | 347400 | 8 | 12 | Interstate |
| D & D Tire CO | 470347 | 8 | 10 | Interstate |
| Capital City Limousine INC | 593547 | 8 | 4 | Interstate |
| Hartman Meat Company | 621442 | 8 | 10 | Interstate |
| Harbor Towing INC | 2250983 | 8 | 8 | InterstateHazmat |
| Stanikzai Transportation LLC | 3573703 | 8 | 4 | Interstate |
| W M Schlosser CO INC | 344250 | 7 | 10 | Interstate |
| Potomac Truck Center INC | 845811 | 7 | 7 | Interstate |
| Professional Landscaping Service | 2320286 | 7 | 6 | Intrastate |
| Team Transport INC | 2335448 | 7 | 17 | Interstate |
| Akdi LLC | 2725336 | 7 | 3 | Interstate |
| Jal Associates | 339717 | 6 | 4 | Intrastate |
| Wagner Roofing | 423640 | 6 | 19 | Interstate |
| Intown Restorations INC | 506658 | 6 | 4 | Intrastate |
| Mcdonald Towing Division | 573112 | 6 | 5 | InterstateHazmat |
| Krick Plumbing And Heating CO INC | 1043262 | 6 | 2 | Intrastate |
| Chesapeake Lawn And Home | 1378902 | 6 | 6 | InterstateHazmat |
| Ferman Trucking Services INC | 1407272 | 6 | 6 | Interstate |
| Holland Enterprise LLC | 1526224 | 6 | 6 | Interstate |
| J & F Reyes Trucking LLC | 2535242 | 6 | 5 | Interstate |
| Best Landscape & Construction | 2538520 | 6 | 6 | Interstate |
| Thai Food Depot | 4045214 | 6 | 7 | Interstate |
| Supreme Aluminum Products INC | 348008 | 5 | 9 | Interstate |
| Wb Waste Solutions | 355224 | 5 | 5 | Interstate |
| My-A & Company | 452439 | 5 | 5 | Interstate |
| Construction - Concrete | 963430 | 5 | 5 | Interstate |
| Ark Sign Services INC | 1107136 | 5 | 7 | Interstate |
| Precision Patio Enclosures | 1259881 | 5 | 5 | Intrastate |
| Capital City Coach INC | 1393986 | 5 | 4 | Interstate |
| Friendly Movers - Allstate Moving | 1695689 | 5 | 6 | Interstate |
| Attc | 1769348 | 5 | 5 | InterstateHazmat |
| Professional Lawn Maintenance Services LLC | 2284118 | 5 | 6 | InterstateHazmat |
| R H Hilario's Landscaping LLC | 2536745 | 5 | 4 | Intrastate |
| Psm Landscaping Service LLC | 2893470 | 5 | 4 | Intrastate |
| Dzoom Limousine Service LLC | 3172036 | 5 | 5 | Interstate |
| Breakthrough Transportation LLC | 3942040 | 5 | 5 | Interstate |
| Q-M Concrete Pumping LLC | 4057205 | 5 | 3 | Interstate |
| Brother's Alfa International Food LLC | 4328573 | 5 | 5 | Intrastate |
| Bratan Moving | 4381984 | 5 | 1 | Interstate |
| Ed Contracting Incorprated | 4424828 | 5 | 6 | InterstateHazmat |
| Lyon Bakery INC | 4471027 | 5 | 5 | Interstate |
| Andys Concrete Construction LLC | 4521422 | 5 | 14 | Interstate |
| Two Brothers Fresh Meat & Produce LLC | 4534214 | 5 | 5 | Interstate |
| American Iron Works | 298587 | 4 | 4 | Interstate |
| Well Dunn Catering INC | 580800 | 4 | 6 | Interstate |
| Great Scott Moving INC | 604984 | 4 | 4 | Interstate |
| Guzman Construction Incorporated | 1023839 | 4 | 3 | Intrastate |
| Action Fabricators & Erectors LLC | 1047276 | 4 | 4 | Interstate |
| Double J Towing&transport | 1080860 | 4 | 4 | IntrastateHazmat |
| Limousine Services Associates | 1271535 | 4 | 10 | Interstate |
| Professional Courier & Transportation Services INC | 1293467 | 4 | 2 | Intrastate |
| Washington Cash & Carry | 1382836 | 4 | 3 | Interstate |
| Redwood Landscaping & Sediment Control LLC | 1443494 | 4 | 4 | Intrastate |
| El Latino Bakery INC | 1529771 | 4 | 2 | Interstate |
| Pronto Paving INC | 1594709 | 4 | 4 | Interstate |
| Md Wholesale Foods LLC | 1692959 | 4 | 5 | Interstate |
| Marlon Ferrufino | 1930498 | 4 | 1 | Interstate |
| City Furniture LLC | 1936105 | 4 | 2 | Interstate |
| H C Concrete Foundations INC | 2117332 | 4 | 3 | Intrastate |
| 3kings Trucking | 2182473 | 4 | 2 | Intrastate |
| Enc Construction INC | 2445905 | 4 | 4 | Intrastate |
| Corado's Trucking Service INC | 2539043 | 4 | 4 | Interstate |
| C T I T | 2779180 | 4 | 3 | InterstateHazmat |
| City Concrete Construction LLC | 2823647 | 4 | 4 | Interstate |
| Len Contractor INC | 2913679 | 4 | 3 | Interstate |