| Business | Phone |
| Air Pro Heating & Cooling Llc 810 Westside Hwy A, Kelso 98626 | (360) 423-9165 |
| Carlson's Heating & Air Cond 1414 S Pacific Ave, Kelso 98626 | (360) 690-0003 |
| Custom Heating & Cooling 2150 Allen St, Kelso 98626 | (360) 636-1850 |
| Diversified Mechanical Svc Inc 2019 Mt Brynion Rd, Kelso 98626 | (360) 577-6604 |