| Business | Phone |
| Advanced Musical Electronics 8665 Venice Blvd, Los Angeles 90034 | (310) 559-3157 |
| Callier-Scollard Violins 1438 Wilcox Ave, Los Angeles 90028 | (323) 465-9344 |
| Amp Crazy-Jabco Amp Repair Los Angeles 90046 | (323) 654-4908 |
| Fret Tek 1748 1/2 Westwood Blvd, Los Angeles 90024 | (310) 474-2238 |
| United Band Instrument Co 3833 West Avenue 43, Los Angeles 90041 | (323) 257-7514 |