| Business | Phone |
| Wesley Heating & Cooling 3220 Basler Ln, Oshkosh 54901 | (920) 235-6951 |
| Tenth Street Station Inc 924 Ohio St, Oshkosh 54902 | (920) 236-8770 |
| Tower Mechanical Svc 2125 W 20th Ave, Oshkosh 54904 | (920) 426-3005 |
| E C Merrill Inc 1018 W South Park Ave, Oshkosh 54902 | (920) 235-3600 |
| Gartman Mechanical Svc 520 W South Park Ave, Oshkosh 54902 | (920) 231-5530 |
| Rasmussen's Heating & Air Cond 5154 David Dr, Oshkosh 54904 | (920) 235-6569 |
| Hollaus Heating & Air Cond 1535 W Bent Ave, Oshkosh 54901 | (920) 235-7397 |
| Moreman's Plumbing & Heating 402 Stevens Ct, Oshkosh 54901 | (920) 231-9191 |
| Marx Mechanical Inc 4535 State Road 91, Oshkosh 54904 | (920) 235-6510 |