| Business | Phone |
| Accurate & Precise Polygraph 325 Plus Park Blvd # 104, Nashville 37217 | (615) 366-1757 |
| Satelink 1404 25th Ave S, Nashville 37212 | (615) 329-1801 |
| Puckett Professional Polygraph 1719 W End Ave, Nashville 37203 | (615) 832-3151 |
| Michael Sawyer Polygraph Svc Nashville 37211 | (615) 835-9899 |