- A Action Heating & AC
- Air Flow Svc
- Air Supply Inc
- Airon Inc
- Apex Service Co Inc
- Central Services Heating & AC
- Combustioneer Corp
- Commercial Mechanical Inc
- Crop Metcalf
- Cropp-Metcalfe Air Cond & Htg
- Golden Electric Air Cond & Htg
- Golden Electric Inc Air Cond
- Great American Htg & AC
- Guardian Air Svc
- Mindte Heating & Air Cond
- Robinson's Air Cond & Heating
- Sun Heating & AC
- Thornton Service
- Variety Service Inc
