| Business | Phone |
| Faststaff Inc 30499 Plymouth Rd, Livonia 48150 | (734) 513-6715 |
| Gallagher Consulting 37625 Ann Arbor Rd, Livonia 48150 | (734) 432-1230 |
| William Davis & Assoc Security 11844 Hubbard St, Livonia 48150 | (734) 422-0515 |
| Ascension Security 28200 7 Mile Rd, Livonia 48152 | (248) 777-2159 |
| Wackenhut Corp 29200 Vassar St 240, Livonia 48152 | (248) 477-9714 |
| Wolverine Dog Training Club 19918 Maplewood St, Livonia 48152 | (248) 476-8650 |
| Blueline Protection Svc 30951 5 Mile Rd 202, Livonia 48154 | (734) 522-0047 |