| Business | Phone |
| Audio Outlet Vallejo 94590 | (707) 643-9700 |
| Beat Mobile Electronics 3223 Sonoma Blvd, Vallejo 94590 | (707) 647-7979 |
| Broadway Auto Sound 1814 Broadway St, Vallejo 94589 | (707) 648-0664 |
| Super Sound Car Audio 320 Mississippi St, Vallejo 94590 | (707) 643-0127 |