| Business | Phone |
| Frank Coonis Investigations 1001 Hermosa Ave # 202, Hermosa Beach 90254 | (310) 798-1775 |
| Investigative Consultants 102 Pacific Coast Hwy, Hermosa Beach 90254 | (310) 328-5420 |
| Jack Keller Investigations Hermosa Beach 90254 | (310) 318-6448 |
| Thomas Romero Investigations 102 Pacific Coast Hwy, Hermosa Beach 90254 | (310) 798-8976 |