| Business | Phone |
| Access Investigation Svc 5753 E Santa Ana Canyon Rd # G, Anaheim 92807 | (714) 695-9927 |
| Benn & Associates 4824 E Santa Ana Canyon Rd, Anaheim 92807 | (714) 508-3610 |
| Access Investigation Svc 5150 E La Palma Ave, Anaheim 92807 | (714) 695-9927 |
| All American Investigations Anaheim 92802 | (714) 420-5686 |
| Aultman Investigations 211 S State College Blvd # 270, Anaheim 92806 | (714) 772-7260 |
| Frank Bailor Investigations Anaheim 92807 | (714) 970-9324 |
| Hughes Investigations Agency 3855 E La Palma Ave # 130, Anaheim 92807 | (714) 630-6038 |
| Remington Investigations 2316 Santa Ana Canyon Rd #183, Anaheim 92807 | (714) 685-1424 |