| Business | Phone |
| Arnello & Assoc 2245 1st St # 206, Simi Valley 93065 | (805) 520-9888 |
| Cressida Corp Po Box 2042, Simi Valley 93062 | (805) 527-7035 |
| De George & Assoc Private 6671 Santa Susana Pass Rd, Simi Valley 93063 | (805) 552-0062 |
| Dick Autry Investigations Simi Valley 93065 | (805) 584-1514 |
| Endeavor Investigations Simi Valley 93065 | (805) 581-0347 |
| F D Lange Private Invstgtns Simi Valley 93065 | (805) 526-2305 |
| First Phase 5105 E Los Angeles Ave # 400, Simi Valley 93063 | (805) 581-3463 |
| J Carroll Investigations 4212 E Los Angeles Ave, Simi Valley 93063 | (805) 581-9941 |
| J R Young & Assoc Simi Valley 93065 | (805) 581-2848 |
| Johnson Walter & Assoc 45 W Easy St, Simi Valley 93065 | (805) 581-2800 |
| Novodenia 1753 Chaps Ct, Simi Valley 93063 | (805) 579-9880 |
| Peifer Pi Simi Valley 93065 | (805) 582-2174 |
| Pmc Professional Svc 4220 E Los Angeles Ave # 202, Simi Valley 93063 | (805) 584-8564 |
| Pri-Pro Inc Po Box 1416, Simi Valley 93062 | (805) 584-6161 |
| Ward Confidential Invstgtn 1445 E Los Angeles Ave # 206, Simi Valley 93065 | (805) 578-8893 |
| Unique Investigations Simi Valley 93065 | (805) 581-5510 |