- A/C Co Heating & Cooling
- A/C Co Heating & Cooling
- Adair's Heating & Cooling
- Adair's Heating & Cooling
- Albert's Air Conditioning Htg
- All Air Svc
- C & F Co
- D & D Mechanical
- Four PA/C & Heating
- Kerrville Air Cond & Refrig
- Oakes Air Conditioning Co
- Oasis Air Conditioning & Htg
- Olen Hicks Air Conditioning
- State Aire