| Business | Phone |
| Spencer Technologies 1746 General George Patton Dr, Brentwood 37027 | (615) 373-1007 |
| Cisco Systems Inc 7000 Executive Center Dr # 101, Brentwood 37027 | (615) 221-2900 |
| Coleman Technologies Inc 205 Powell Pl # 104, Brentwood 37027 | (615) 369-0804 |
| Extensive Technologies Llc 215 Centerview Dr # 109, Brentwood 37027 | (615) 277-0495 |