| Business | Phone |
| Associated Technical Svc Inc 10010 W Schlinger Ave, Milwaukee 53214 | (414) 476-4200 |
| Badger Sound & Lighting 3806 W Douglas Ave, Milwaukee 53209 | (414) 358-1473 |
| Clearwing Productions Inc 11101 W Mitchell St, Milwaukee 53214 | (414) 258-6333 |
| Milwaukee Sound Svc 3451 N 50th St, Milwaukee 53216 | (414) 449-4900 |
| P M Sound Video & Data 2525 N Mayfair Rd, Milwaukee 53226 | (414) 967-1367 |
| Professional Audio Designs Inc 11707 W Dearbourn Ave B, Milwaukee 53226 | (414) 476-1011 |