| Business | Phone |
| Adi 7260 Radford Ave, North Hollywood 91605 | (818) 764-4202 |
| Alarm Center 12617 Sherman Way, North Hollywood 91605 | (818) 982-9991 |
| Boyd & Assoc 6319 Colfax Ave, North Hollywood 91606 | (818) 752-1888 |
| Precision Engineering Industry 11627 Cantara St, North Hollywood 91605 | (818) 767-8590 |
| Knight Protective Industries 7345 Varna Ave, North Hollywood 91605 | (818) 982-2179 |
| Nite Owl Alarm & Video 7818 Babcock Ave, North Hollywood 91605 | (818) 765-1888 |
| Secure Technology 7345 Varna Ave, North Hollywood 91605 | (818) 982-8111 |
| Security Marketing 11412 Vanowen St # E, North Hollywood 91605 | (818) 982-9033 |
| A & R Alarm North Hollywood 91607 | (818) 508-8367 |
| H & H Security Systems Inc 12449 Chandler Blvd, North Hollywood 91607 | (818) 985-4142 |
| Metrowest Security Systems 4808 Laurel Canyon Blvd # 517, North Hollywood 91607 | (818) 508-0500 |