| Business | Phone |
| Ruff Riders Car Audio & Video 1517 W Us Highway 24, Independence 64050 | (816) 252-7833 |
| National Auto Sound 11001 E Us Highway 40, Independence 64055 | (816) 356-8700 |
| Independence Custom Sound 805 E Us Highway 24, Independence 64050 | (816) 252-2665 |