| Absolute Heating & Air INC | Johnny Lewis Gray | — | (530) 865 2457 | HVAC | Orland · Glenn County | — | — |
| Air Rite Heating And Air Conditioning | Steven Phillip Anthieny | — | (530) 865 4655 | HVAC | Orland · Glenn County | — | — |
| Albert Refrigeration INC | Kevin Wallace Albert | — | (530) 828 6317 | HVAC | Orland · Glenn County | — | — |
| Greg's Heating & AC INC | Brian Scott Hansen | — | (530) 865 9677 | HVAC | Orland · Glenn County | — | — |
| Icecold Heating And Air Conditioning | Icecold Heating And Air Conditioning | — | (530) 930 0106 | HVAC | Willows · Glenn County | — | — |
| Keith's HVAC Services | Keith Neufeld | — | (530) 804 2915 | HVAC | Willows · Glenn County | — | — |
| Morehouse Air Conditioning Service | Bennett Craig Morehouse | — | (530) 865 9100 | HVAC | Orland · Glenn County | — | — |
| North State Air Conditioning | North State Air Conditioning | — | (530) 519 7877 | HVAC | Willows · Glenn County | — | — |
| Techpro Heating & Cooling | Techpro Heating & Cooling | — | (650) 275-6357 | HVAC | San Carlos · Glenn County | — | — |
| Willows Refrigeration | Willows Refrigeration | — | (530) 517 3802 | HVAC | Willows · Glenn County | — | — |
| Wise Refrigeration | Wise Refrigeration | — | (530) 635 4918 | HVAC | Willows · Glenn County | — | — |