| Business | Phone |
| Dowe & Wagner Inc Main St, Twin Lakes 53181 | (262) 877-9746 |
| Edwaard F Whalen Htng & Air 7921 337th Ave, Twin Lakes 53181 | (262) 537-4088 |
| Peck & Weis Heating & Cooling Twin Lakes 53181 | (262) 877-4328 |
| Spek Heating & Cooling Po Box 585, Twin Lakes 53181 | (262) 279-2214 |