| Business | Phone |
| Pti Investigations & Process 641 Camero Dr, Lake Havasu City 86403 | (928) 855-3222 |
| Northwestern Arizona Invstgtns 1641 Mcculloch Blvd N # 228, Lake Havasu City 86403 | (928) 855-7817 |
| David Browning-Private Inves Lake Havasu City 86404 | (928) 764-1940 |