| Business | Phone |
| Architectural Concepts Inc 1839 Blake Ave, Los Angeles 90039 | (323) 666-9980 |
| Ceiling Designs Inc 11651 Exposition Blvd, Los Angeles 90064 | (310) 476-8729 |
| D & A's Acoustic Ceilings Los Angeles 90024 | (310) 208-7366 |
| Phoenix Construction Co Los Angeles 90011 | (323) 234-5464 |
| Eddy's Acoustic & Stucco 1622 W 35th Pl, Los Angeles 90018 | (323) 733-1474 |
| Pem Wall Champion Ceiling 336 Mount Washington Dr, Los Angeles 90065 | (323) 223-5433 |