| Business | Phone |
| Arrival Messenger Svc 3010 Ridgewood Ave # 208, Baltimore 21215 | (410) 664-1382 |
| Mid-Atlantic Messenger Svc 2034 Lord Baltimore Dr # R, Baltimore 21244 | (410) 298-8000 |
| National Express Inc 8312 Tapu Ct, Baltimore 21236 | (410) 663-4508 |
| Response Logistics Inc 3601 Commerce Dr, Baltimore 21227 | (410) 247-8980 |
| Harbor City Courier 523 N Charles St, Baltimore 21201 | (410) 528-9111 |
| Magic Messengers Inc 808 N Calvert St, Baltimore 21202 | (410) 625-2600 |