| Business | Phone |
| Charlie Earp Investigations 2720 Reynolda Rd # 5, Winston Salem 27106 | (336) 777-8895 |
| Spillman Investigative Svc 2070 Cloverdale Ave # C, Winston Salem 27103 | (336) 725-2226 |
| John F Gaillard Private 1068 W 4th St, Winston Salem 27101 | (336) 723-7474 |