| Business | Phone |
| Tweeter 3232 Lake Ave 390, Wilmette 60091 | (847) 251-1860 |
| Village Audio-Video 809 Ridge Rd 1, Wilmette 60091 | (847) 251-0250 |
| Horizon Electronics 248 Valley View Dr, Wilmette 60091 | (847) 853-6103 |
| Linear Communications Inc 3217 Lake Ave, Wilmette 60091 | (847) 853-3500 |
| T K Audio Inc 919 Gregory Ave, Wilmette 60091 | (847) 920-9301 |
| Technologies Electronic 1726 Washington Ave, Wilmette 60091 | (847) 256-2171 |