| Business | Phone |
| Alliance Communication Mgmt 205 Powell Pl, Brentwood 37027 | (615) 312-8260 |
| Verizon Communication Esg 278 Franklin Rd, Brentwood 37027 | (615) 309-0877 |
| Communications Components Co 6 Cadillac Dr, Brentwood 37027 | (615) 371-5434 |
| Praxis Communications Inc 5141 Virginia Way # 450, Brentwood 37027 | (615) 312-8207 |
| Miragent Communications 216 Centerview Dr # 330, Brentwood 37027 | (615) 377-1334 |