| Business | Phone |
| Am Cro Alarm Systems Inc 555 W 9th St # 8, San Pedro 90731 | (310) 547-1918 |
| Palos Verdes Security 1931 N Gaffey St # A, San Pedro 90731 | (310) 521-8537 |
| Palos Verdes Security Inc San Pedro 90731 | (310) 530-3662 |
| Patos Verdes Security 1931 N Gaffey St, San Pedro 90731 | (310) 326-3301 |
| Peninsula Security Systems Inc 590 W 9th St, San Pedro 90731 | (310) 514-3144 |
| South Coast Alarm 1931 N Gaffey St # A, San Pedro 90731 | (310) 544-0884 |