| Business | Phone |
| Acs Guard Svc 41 Saint Anthony Ln, Florissant 63031 | (314) 831-5002 |
| Security 2000 Florissant 63031 | (314) 921-2556 |
| Brinkmann Security Svc Inc 41 Saint Anthony Ln, Florissant 63031 | (314) 831-5181 |
| D & D Security 41 Saint Anthony Ln, Florissant 63031 | (314) 921-1681 |