| Business | Phone |
| 7-W Investigations Inc Culver City 90232 | (310) 559-4779 |
| Jumpstart Investigations Culver City 90232 | (310) 253-9060 |
| Western Research Investigation Culver City 90232 | (310) 390-8384 |
| Southern California Private Culver City 90232 | (310) 204-2278 |