| Business | Phone |
| Lenco Heating & Air Cond 11606 Exposition Blvd, Los Angeles 90064 | (323) 272-2378 |
| Gama Central Ac & Heating 6399 Wilshire Blvd # 218, Los Angeles 90048 | (310) 276-8111 |
| Hi Source Inc 1609 S Robertson Blvd, Los Angeles 90035 | (818) 983-0404 |
| La Heating Co Los Angeles 90018 | (323) 732-7127 |