| Business | Phone |
| Absolute Legal Svc 1453 Huntoon St, Oroville 95965 | (530) 533-6493 |
| Bryson Investigations 2206 5th Ave, Oroville 95965 | (530) 532-1221 |
| Bighorn Investigations 1770 High St, Oroville 95965 | (530) 533-3183 |
| Rle Investigative Svc 3035 Oro Dam Blvd E # 4, Oroville 95966 | (530) 532-9246 |