| Business | Phone |
| Bartelt Plumbing 1420 Fairfax St, Oshkosh 54904 | (920) 235-1680 |
| Merten Plumbing & Heating Inc 1087 Cozy Ln, Oshkosh 54901 | (920) 231-6795 |
| O'Neill Enterprises 522 W 6th Ave, Oshkosh 54902 | (920) 230-2007 |
| New Homes Heating 4535 State Road 91, Oshkosh 54904 | (920) 651-8737 |