| Business | Phone |
| Al & Ed's Autosound 1304 Logan Ave # D, Costa Mesa 92626 | (714) 438-0880 |
| Al & Ed's Autosound 2800 Harbor Blvd, Costa Mesa 92626 | (714) 444-1141 |
| Beach Auto Sound 2470 Newport Blvd, Costa Mesa 92627 | (949) 548-9949 |
| Boww Down Auto Sound 1980 Harbor Blvd, Costa Mesa 92627 | (949) 548-7483 |
| Newport Autosound 1743 Newport Blvd, Costa Mesa 92627 | (949) 548-1160 |
| Newport Luxury Custom Audio 1582 Newport Blvd, Costa Mesa 92627 | (949) 642-0644 |