| Business | Phone |
| Audio Depot 708 E Johnson St, Madison 53703 | (608) 268-0749 |
| Audio Design Specialists 5650 Pennwall St, Madison 53711 | (608) 274-4333 |
| Bruser Hoerz Audio 1624 Fordem Ave, Madison 53704 | (608) 442-5515 |
| Sticha Brothers Sound & Lghtng 3001 Latham Dr, Madison 53713 | (608) 276-5570 |
| Einstein Audio Systems 501 Tasman St, Madison 53714 | (608) 268-0000 |