| Business | Phone |
| A Plus Heating & Air Rolla 65401 | (573) 308-8096 |
| America's Same Day Svc Rolla 65401 | (573) 341-9966 |
| Arnco Mechanical Llc 10560 County Road 3060, Rolla 65401 | (573) 364-6991 |
| Delp Heating & Air Cond 108 E 7th St, Rolla 65401 | (573) 364-1159 |
| G & S Heating & Cooling 10541 County Road 8110, Rolla 65401 | (573) 467-1511 |
| Garner Refrigeration & Appl 703 N Pine St, Rolla 65401 | (573) 341-2064 |
| Hoss Heating & Cooling Llc 18301 County Rd 8280, Rolla 65401 | (573) 368-1677 |
| Maxwell Heating & Air Cond 515 E 19th St, Rolla 65401 | (573) 364-8121 |
| Polar Heating Cooling & Refrig 10520 Liberty Ln, Rolla 65401 | (573) 364-6628 |
| Smith's Refrigeration 11021 Greenfield Dr, Rolla 65401 | (573) 364-8638 |
| Stevenson's Sheet Metal 12445 State Route Cc, Rolla 65401 | (573) 364-4625 |
| Vernon White Heating & Cooling 117 S Spilman Ave, Rolla 65401 | (573) 364-1005 |