| Business | Phone |
| Tiger Security Systems 2201 Chapel Plaza Ct # 103, Columbia 65203 | (573) 442-2828 |
| Smarthouse Wiring & Security 1758 Columbia, Columbia 65201 | (573) 214-0010 |
| Security Solutions 401 West Blvd N # A, Columbia 65203 | (573) 256-5200 |
| Security Technologies Inc Columbia 65201 | (573) 442-9787 |
| Dyna Electronics 503 E Nifong Blvd, Columbia 65201 | (573) 815-0459 |
| Pioneer Security Systems 1414 Rangeline St # G, Columbia 65201 | (573) 442-1080 |