| Business | Phone |
| Pelayo Vocal Studio 13046 Ebell St, North Hollywood 91605 | (818) 988-2387 |
| Foundation-Singing Voice Inc North Hollywood 91601 | (818) 766-0411 |
| John Deaver Studios 11601 Killion St, North Hollywood 91601 | (818) 985-3511 |
| La Academia North Hollywood 5140 Vineland Ave, North Hollywood 91601 | (818) 763-3200 |