- Advantage Air Cond & Heating
- Air Fast Air Conditioning
- Airfrigeration Service Inc
- B & D Air Conditioning
- C J Christina Inc
- Calcote's Heating & Air Cond
- Duvy's Service Inc
- Friedrich Refrigeration
- Harrell Refrigeration Svc
- Martinez Heating & A/C
- Olivier Air Conditioning Htg
- Pontchartrain Mechanical Co
- Southern Services AC & Htg