| Business | Phone |
| Audio Playground 3512 S Western Ave, Sioux Falls 57105 | (605) 977-0715 |
| Auto Radio Specialists 405 S Willow Ave, Sioux Falls 57104 | (605) 332-5168 |
| Dashboard By Karl's 3207 S Carolyn Ave, Sioux Falls 57106 | (605) 361-8080 |
| Mid-State Car Radio Repair 3109 W 41st St # 113, Sioux Falls 57105 | (605) 336-1212 |