| Business | Phone |
| American Protection Security 12248 Stagg St, North Hollywood 91605 | (818) 982-5900 |
| Sensorsense Inc 7314 Radford Ave, North Hollywood 91605 | (818) 255-0277 |
| Securitas Security Svc Usa Inc 11130 Sylvan St, North Hollywood 91606 | (818) 763-3143 |