| Business | Phone |
| Allied Security 17750 Sherman Way # 200, Reseda 91335 | (818) 349-1911 |
| Alliance Security Systems 7409 Jamieson Ave, Reseda 91335 | (818) 996-0128 |
| Dssi Security 18210 Sherman Way, Reseda 91335 | (818) 887-3339 |
| Intrusion Detection System 6652 Nestle Ave, Reseda 91335 | (818) 757-3282 |
| Stephens Security Electric 6445 Capps Ave, Reseda 91335 | (818) 996-2347 |