| Business | Phone |
| Advanced Breath Diagnostics 105 Westpark Dr # 150, Brentwood 37027 | (615) 376-5464 |
| Assoc Pathologists Cytology 345 24th Ave, Brentwood 37027 | (615) 234-0727 |
| Esoterix Oncology 201 Summit View Dr # 100, Brentwood 37027 | (615) 370-8393 |
| Laboratory Corp Of America 5200 Maryland Way # 201, Brentwood 37027 | (615) 371-2360 |