| Business | Phone |
| Advantage Specialists 943 Olive St, Paso Robles 93446 | (805) 237-9117 |
| Bill Chaides Investigations Po Box 1857, Paso Robles 93447 | (805) 238-1226 |
| Len Newcomb Investigative Svc Paso Robles 93446 | (805) 369-0395 |
| Lindemenn Investigations Po Box 3408, Paso Robles 93447 | (805) 239-9033 |