| Business | Phone |
| Audio Engineers 212 11th Ave S, Minneapolis 55415 | (612) 630-8100 |
| Audio Video 5825 65th Ave N # 100, Minneapolis 55429 | (763) 561-0433 |
| Clarity Audio Video Systems 15831 Highway 55 # C, Minneapolis 55447 | (763) 551-2300 |
| North Star Sound Inc 1406 1st Ave S, Minneapolis 55403 | (612) 871-6016 |
| Taurus Productions Minneapolis 55420 | (952) 858-8195 |
| Slamhammer Sound Inc 3218 Snelling Ave, Minneapolis 55406 | (612) 724-5395 |