| Business | Phone |
| Precision Safe & Lock Inc Halethorpe 21227 | (410) 379-0435 |
| Safemasters Co Inc 3918 Vero Rd # C, Halethorpe 21227 | (410) 247-3100 |
| Serio Us Lock 3327 Hollins Ferry Rd, Halethorpe 21227 | (410) 247-7101 |
| A-Allaround Lock & Key Halethorpe 21227 | (443) 755-0100 |
| Top Security Solution 3601 Commerce Dr #112, Halethorpe 21227 | (443) 327-3773 |