| Business | Phone |
| Acs Security Simi Valley 93065 | (805) 584-2977 |
| Advance Alarm Systems 1236 E Los Angeles Ave # E, Simi Valley 93065 | (805) 527-7007 |
| B-E Security Systems 3026 Sleepy Hollow St, Simi Valley 93065 | (805) 527-8394 |
| Crime Stopper Security 1770 Tapo St, Simi Valley 93063 | (805) 526-9400 |
| Dynatech Security Systems 1054 Mellow Ln, Simi Valley 93065 | (818) 609-1142 |
| Pacific Shield Alarms 3496 Highwood Ct # 92, Simi Valley 93063 | (805) 584-2037 |
| Pro-Tech Systems Inc Simi Valley 93065 | (805) 522-1659 |