| Business | Phone |
| Big Screen Store 7248 Guilford Dr, Frederick 21704 | (240) 379-6644 |
| Myer-Emco Inc 1030 W Patrick St, Frederick 21703 | (301) 663-3807 |
| Shipley's Tv Sales & Svc 45 Waverley Dr # L, Frederick 21702 | (301) 663-1799 |
| Wayside Tv-Video-Audio 423 E Patrick St, Frederick 21701 | (301) 662-3671 |