| Business | Phone |
| Security Specialists 211 E Springbrook Dr, Johnson City 37601 | (423) 929-1515 |
| Fleenor Security Systems 3 Morgan Ct, Johnson City 37604 | (423) 282-3755 |
| National Burglar Alarm 112 E Fairview Ave # 102, Johnson City 37601 | (423) 928-3084 |
| National Burglar Alarm & Sec Johnson City 37604 | (423) 928-3084 |