| Business | Phone |
| Corps Private Investigations Po Box 202265, Bloomington 55420 | (952) 346-9000 |
| Emerald Investigations Inc 11382 Louisiana Cir, Bloomington 55438 | (952) 944-8625 |
| Professional Investigative Svc 10228 Wentworth Cir, Bloomington 55420 | (952) 881-6762 |