| Business | Phone |
| Arc Investigative & Security 5401 N 10th St 120, Mcallen 78504 | (956) 631-2171 |
| Gold Shield Security Svc 5401 N 10th St 120, Mcallen 78504 | (956) 631-9807 |
| Ipc International Inc 2200 S 10th St, Mcallen 78503 | (956) 661-9149 |
| Quintanilla Security Svc 2206 Erie Ave, Mcallen 78501 | (956) 687-9135 |
| Security Depot 720 S Texas Blvd, Mcallen 78503 | (956) 618-9900 |
| Valley Wide Security 721 S Bicentennial Blvd, Mcallen 78501 | (956) 783-0457 |