| Business | Phone |
| Concept Communications 10250 Saddle Pointe Dr, Louisville 40291 | (502) 239-5137 |
| Davis Electronics 2211 Brownsboro Rd, Louisville 40206 | (502) 893-3333 |
| Radioland Inc 1421 Lexington Rd, Louisville 40206 | (502) 589-4214 |
| Radio Communications Systems 1012 S 6th St, Louisville 40203 | (502) 245-7384 |