| Business | Phone |
| A & J Painting Co Northridge 91324 | (818) 886-8686 |
| Christian Acoustic Ceilings 8707 Shirley Ave, Northridge 91324 | (818) 886-1260 |
| Randy Henderson Acoustic Northridge 91324 | (818) 349-4601 |
| Allstar Acoustic Ceiling Northridge 91343 | (818) 892-5456 |