| Business | Phone |
| Property Support Svc Inc 10999 Red Run Blvd, Owings Mills 21117 | (410) 902-6800 |
| Service Management System Inc 10300 Mill Run Cir # S260, Owings Mills 21117 | (410) 654-1700 |
| Infinity Cleaning Svc Inc 14 Gwynnswood Rd, Owings Mills 21117 | (443) 394-0400 |
| K M & R Cleaning Svc Inc Owings Mills 21117 | (443) 394-7823 |