| Business | Phone |
| Automotive Sight & Sound 1247 Upper James St, Hamilton L9C 3B2 | (905) 574-7077 |
| Hi-Fi Plus Inc 1154 Rymal Rd E #3, Hamilton L8W 3N7 | (905) 383-1166 |
| Repair It 858 King St W, Hamilton L8S 1K3 | (905) 528-1028 |
| Speaker Works 1423 Upper Ottawa St #6, Hamilton L8W 3J6 | (905) 318-3345 |
| Crofts Auto Radio 137 Cannon St E, Hamilton L8L 2A4 | (905) 522-2822 |
| Frequency Custom Car Audio 1214 Stone Church Rd E, Hamilton L8W 2C7 | (905) 383-3713 |
| Gain Mobile Electronics Specs 1205 Rymal Rd E, Hamilton L8W 3M9 | (905) 575-8111 |
| Gain Mobile Electronics Specs 265 Centennial Pky N, Hamilton L8E 4Y5 | (905) 578-4008 |