| Business | Phone |
| Absolute Temperature Control 1337 Jonagold Dr, Richland 99352 | (509) 628-2665 |
| Tri-Air Heating & Air Cond 2600 N Columbia Center Blvd, Richland 99352 | (509) 628-8191 |
| Castle Air Heating & Cooling 1846 Terminal Dr, Richland 99354 | (509) 946-3500 |
| Dayco Heating & Air Richland 99352 | (509) 943-5909 |
| Inland Air Conditioning & Htg 1412 Black Ct, Richland 99354 | (509) 946-1900 |
| Morrison Construction Svc Inc 1990 Saint St, Richland 99354 | (509) 375-1990 |