| Business | Phone |
| Maryland Truck Center Inc 15323 Marlboro Pike, Upper Marlboro 20772 | (301) 218-5200 |
| Transportation & Equip Svc 79140 Ten Randall Pl, Upper Marlboro 20772 | (301) 516-7585 |
| H & H Truck & Trailer Svc 8165 Penn Randall Pl, Upper Marlboro 20772 | (301) 735-9118 |