| Business | Phone |
| Audio Express Inc 4509 E Cactus Rd, Phoenix 85032 | (602) 996-8383 |
| Audio Express Inc 9201 N 29th Ave # 1, Phoenix 85051 | (602) 943-8017 |
| Onsite Auto Alarms Phoenix 85008 | (602) 220-0088 |
| Dolphin Sounds 10027 N 19th Ave, Phoenix 85021 | (602) 861-4729 |
| Lo Jack Corp 4455 E Camelback Rd # B110, Phoenix 85018 | (602) 667-7770 |