| Business | Phone |
| Asl Special Systems Group 1530 E Broadway Blvd, Tucson 85719 | (520) 629-8880 |
| D H Canterbury Electric 9741 E Lorain Pl, Tucson 85748 | (520) 444-7497 |
| Soundwave Sound Systems 5356 E 2nd St, Tucson 85711 | (520) 327-5590 |
| Magnum Sound/Rat Sound 2107 S March Pl, Tucson 85713 | (520) 623-2456 |