| Business | Phone |
| City Security Co 430 S Garfield Ave # 401, Alhambra 91801 | (626) 458-2325 |
| Professional Executive Prtctn 320 S Garfield Ave # 278, Alhambra 91801 | (626) 282-8880 |
| Digital Protection Systems 2450 W Main St # 2, Alhambra 91801 | (626) 280-1900 |
| Drew Chain Security Corp 55 S Raymond Ave # 303, Alhambra 91801 | (626) 457-8626 |
| Pro Arm Security 2121 W Mission Rd # 302, Alhambra 91803 | (626) 308-9380 |