| Business | Phone |
| Shadow Security Owings Mills 21117 | (410) 922-2343 |
| Custom Banktech Svc Inc Owings Mills 21117 | (410) 363-4429 |
| Custom Electronic Svc Po Box 502, Owings Mills 21117 | (410) 363-4949 |
| Force One Security & Invstgtn 90 Painters Mill Rd, Owings Mills 21117 | (410) 654-8611 |
| Hamilton Save Mid-Atlantic Owings Mills 21117 | (410) 363-4420 |
| Stein Security 9324 Fitzharding Ln, Owings Mills 21117 | (410) 667-1204 |