| Business | Phone |
| Air Conditioning & Htg Mech 9018 Balboa Blvd # 578, Northridge 91325 | (818) 718-1614 |
| Conditioned Aire Mechanical 18650 Parthenia St, Northridge 91324 | (818) 781-5353 |
| Air & Appliance Svc Co 9715 Melvin Ave, Northridge 91324 | (818) 701-1166 |
| A & A Air Conditioning & Appls 17800 Devonshire St, Northridge 91325 | (818) 346-1758 |
| Hys Mechanical System 9907 White Oak Ave # 218, Northridge 91325 | (818) 717-1196 |