| Business | Phone |
| Baltimore City Parking Auth 200 W Lombard St, Baltimore 21201 | (443) 573-2800 |
| Central Parking System 600 Cathedral St, Baltimore 21201 | (410) 332-0483 |
| Landmark Parking 1 South St, Baltimore 21202 | (410) 347-4088 |
| Rebublic Parking Systems 221 N Paca St, Baltimore 21201 | (410) 837-3710 |
| Rebublic Parking Systems 326 N Charles St, Baltimore 21201 | (410) 244-0139 |
| Theatre Parking Inc 1714 N Charles St, Baltimore 21201 | (410) 332-4795 |
| Towne Park Ltd 320 Light St, Baltimore 21202 | (410) 685-3260 |
| Universal Parking Inc 101 W Read St, Baltimore 21201 | (410) 385-1420 |