| Business | Phone |
| Allied Security 3456 E 12 Mile Rd # 1, Warren 48092 | (586) 558-8604 |
| Spiritech Inc 14510 E 11 Mile Rd, Warren 48089 | (586) 779-0433 |
| Securitas Usa Inc 31201 Chicago Rd S # A301, Warren 48093 | (586) 979-7758 |
| V Tech 32286 Saint Vincent Ave, Warren 48092 | (586) 939-2554 |
| Questors Security Specialists 31348 Frank Dr, Warren 48093 | (586) 826-3657 |
| Electronic World Distr 8477 E 8 Mile Rd, Warren 48089 | (586) 757-1300 |