| Business | Phone |
| Street Maintenance Shop 300 S Court St, Onalaska 54650 | (608) 781-9539 |
| Onalaska Public Works Director 415 Main St, Onalaska 54650 | (608) 781-9537 |
| Onalaska Inspection Dept 415 Main St, Onalaska 54650 | (608) 781-9541 |
| Onalaska Recycling & Refuse 415 Main St, Onalaska 54650 | (608) 781-9500 |
| Onalaska Sewer Dept 415 Main St, Onalaska 54650 | (608) 781-9543 |