| Business | Phone |
| Allis Heating Inc W191s7500 Richdorf Dr, Muskego 53150 | (262) 679-0212 |
| Scholtz Air Conditioning & Htg Muskego 53150 | (414) 422-9229 |
| Gerth Heating Svc Corp W179s7672 Pioneer Dr, Muskego 53150 | (262) 679-0464 |
| People's Choice Htg & Cooling W170s6933 Southern Dr, Muskego 53150 | (262) 679-1500 |