| Business | Phone |
| Budget Heating & Air Cond 323 N 2nd St, Mankato 56001 | (507) 386-1221 |
| Davis Comfort Systems Inc 369 Terrace Vw W, Mankato 56001 | (507) 387-2434 |
| Gag Sheet Metal/Gsm 1780 E Madison Ave # 2, Mankato 56001 | (507) 386-0300 |
| Kelley Heating & Air Cond 105 May St, Mankato 56001 | (507) 625-4328 |
| Northern Comfort Inc 917 Southbend Ave, Mankato 56001 | (507) 387-6621 |
| Pfeiffer's Heat & Cool Inc Po Box 435, Mankato 56002 | (507) 388-7301 |
| Thorset Sheet Metal Inc 428 Park Ln, Mankato 56001 | (507) 387-1446 |
| Wasko Heating & Cooling 409 Patterson Ave, Mankato 56001 | (507) 389-9855 |