| Business | Phone |
| Delve Information Resources 1670 Mckendree Church Rd 600, Lawrenceville 30043 | (770) 381-8022 |
| Tijerina Investigations Inc 1541 Laurel River Trl, Lawrenceville 30043 | (770) 995-3086 |
| Southern Professional Invstgtr 1370 Great Oaks Dr, Lawrenceville 30045 | (770) 985-6203 |
| Maximum Investigations & Scrty 280 Constitution Blvd, Lawrenceville 30045 | (678) 518-4459 |
| Huhn & Assoc 1255 Lakes Pkwy # 380, Lawrenceville 30043 | (770) 277-9001 |