| Business | Phone |
| Westco Patrol 414 W 4th St, Santa Ana 92701 | (714) 541-7911 |
| American Alarm Systems 1101 S Grand Ave # G, Santa Ana 92705 | (714) 547-7474 |
| California West Patrol 1228 Village Way, Santa Ana 92705 | (714) 558-1005 |
| Advantage Guard Svc 1823 E 17th St # 312, Santa Ana 92705 | (714) 542-7900 |
| All Action Security Inc Santa Ana 92705 | (714) 835-3800 |
| American One Protective Svc 2510 N Grand Ave # 207, Santa Ana 92705 | (714) 997-0605 |
| Ameriwest Protective Svc Santa Ana 92705 | (714) 547-5033 |
| Boyd & Assoc 2002 N Broadway, Santa Ana 92706 | (714) 835-5423 |
| Quality Protection Svc 209 W 4th St # B, Santa Ana 92701 | (714) 543-3132 |
| Santa Ana Security Svc 217 N Main St, Santa Ana 92701 | (714) 564-9364 |