| Business | Phone |
| Butters-Fetting Co Inc 3404 Glenbarr Dr, Janesville 53548 | (608) 755-9925 |
| Mci Mechanical Contractors 4017 Whitney St, Janesville 53546 | (608) 756-9600 |
| Oak Land Mechanicals 1100 Johnson St, Janesville 53548 | (608) 757-8211 |
| Triangle Mechanical 208 W State St, Janesville 53546 | (608) 758-9110 |