| Business | Phone |
| General Alarm Svc 178 Lakewood Center Mall, Lakewood 90712 | (562) 602-2000 |
| Lakewood Alarm Inc Lakewood 90713 | (562) 925-0515 |
| Prime Alert Security 3710 Industry Ave # 205, Lakewood 90712 | (562) 595-5483 |
| Prime Alert Security Svc Po Box 72, Lakewood 90714 | (562) 420-9300 |