| Business | Phone |
| Ask Security Inc 7101 Asheville Hwy, Spartanburg 29303 | (864) 503-0404 |
| Control Systems Inc 187 N Church St # 460, Spartanburg 29306 | (864) 583-4186 |
| Counter Force Usa Po Box 170152, Spartanburg 29301 | (864) 415-9907 |
| Elliott's Security Systems 2322 Avondale Dr, Spartanburg 29302 | (864) 582-2400 |