- Airtech Service
- Baker Heating & Cooling
- D & H Svc
- Environmental Systems Svc Inc
- Family One
- Gartner & Assoc Inc
- Holtmeyer/SOS Heating & AC
- Indoor Comfort Htg & Cooling
- Jackson Heating & Cooling
- M & E Svc
- Quality Heating & Air
- SOS Heating & Cooling
- Thermal Services Htg & Cooling
- Thermal Services Inc
- Wise Energy Svc/SOS Heating