| Business | Phone |
| Bigg Time Security 6829 Lankershim Blvd, North Hollywood 91605 | (818) 765-7740 |
| Topp Svc 13228 Sherman Way, North Hollywood 91605 | (818) 352-0986 |
| Multimedia Security Systems 11839 Strathern St, North Hollywood 91605 | (818) 768-6731 |
| Surveillance Systems Spclst 13034 Sherman Way, North Hollywood 91605 | (323) 547-3841 |
| Highpoint Security 5435 Cahuenga Blvd, North Hollywood 91601 | (818) 344-4499 |