- A-1 Energy SAVERS LLC
- Allen's Air Conditioning & Htg
- Allen's Air Conditioning & Htg
- Appelt Air Conditioning & Htg
- Barker's Heating & Cooling Inc
- Bluebonnet Cooling & Heating
- Bluebonnet Cooling & Heating
- Brenham Heating & Air Cond
- Central Heating & Air
- Lakeway Air Conditioning
- Smittco AC & Heating
- Smittco AC & Refrigeration
- Triangle Air & Heating
- Triple-T Refrigeration