| Business | Phone |
| Frank Hickey & Assoc Po Box 1084, Carmichael 95609 | (916) 488-1094 |
| Mc Coy Investigations Po Box 174, Carmichael 95609 | (916) 481-3525 |
| Trace Master Co Carmichael 95608 | (916) 944-3094 |
| Robert Larson & Assoc 5821 Topp Ct, Carmichael 95608 | (916) 485-5548 |
| Perkins Investigations 7836 Fair Oaks Blvd, Carmichael 95608 | (916) 944-4438 |