| Business | Phone |
| Center Point Security Svc 19562 Ventura Blvd, Tarzana 91356 | (818) 345-9996 |
| Cybervision Technologies 19562 Ventura Blvd, Tarzana 91356 | (818) 996-3347 |
| Digital Surveillance Tech Llc 18607 Ventura Blvd, Tarzana 91356 | (818) 705-0100 |
| Sts Lab 5554 Reseda Blvd, Tarzana 91356 | (818) 708-7591 |
| Petra Security Svc Inc 6043 Tampa Ave, Tarzana 91356 | (818) 881-6079 |