| Business | Phone |
| Woodall & Broome Security 2940 Dallas Rd, Marietta 30064 | (770) 499-7464 |
| Viper Investigations Po Box 671112, Marietta 30066 | (770) 345-7683 |
| Fox Enterprises 357 Martin Ct Se, Marietta 30060 | (770) 499-8272 |
| Stealth Investigations Inc 1210 Wynnes Ridge Cir Se, Marietta 30067 | (706) 767-1822 |
| Holliday Investigative Svc Inc 1860 Sandy Plains Rd 204, Marietta 30066 | (770) 428-5700 |
| Investigative Resources & Assc 2629 Sandy Plains Rd, Marietta 30066 | (770) 565-2550 |
| Rise Investigations 145 Church St Ne, Marietta 30060 | (770) 514-0203 |
| Proof Positive Investigations 78 Atlanta St Se, Marietta 30060 | (678) 355-6646 |
| P M Investigations Marietta 30060 | (770) 421-1326 |
| Dial Services Inc 2629 Sandy Plains Rd 101, Marietta 30066 | (404) 297-8092 |
| Minor The Agency Inc 784 Blackwell Ln, Marietta 30066 | (770) 423-7564 |
| Loss Prevention Systems Inc Marietta 30060 | (770) 426-7593 |
| Allen Investigative Svc Inc Marietta 30062 | (770) 977-0404 |