| Business | Phone |
| Maryland Radio Inc 5940 Frederick Crossing Ln, Frederick 21704 | (301) 668-0800 |
| Wafy 5742 Industry Ln, Frederick 21704 | (301) 620-7700 |
| Warx 5301 Buckeystown Pike # 309a, Frederick 21704 | (301) 662-1965 |
| Wfre 5966 Grove Hill Rd, Frederick 21703 | (301) 293-6340 |
| Wxtr 6633 Mount Phillip Rd, Frederick 21703 | (301) 663-5400 |