| Business | Phone |
| Highway Dept-Engineering Office 3500 State Highway 310, Manitowoc 54220 | (920) 683-4348 |
| Highway Dept-Engineering Office Waldo Blvd, Manitowoc 54220 | (920) 683-4348 |
| Highway Dept-Road Supt 3500 State Highway 310, Manitowoc 54220 | (920) 683-4351 |
| Highway Dept-Shop Supt 3500 State Highway 310, Manitowoc 54220 | (920) 683-4354 |
| Highway Dept-Sign Shop 3500 State Highway 310, Manitowoc 54220 | (920) 683-4347 |
| Highway Dept-Sign Shop Waldo Blvd, Manitowoc 54220 | (920) 683-4347 |
| Manitowoc County Highway Shop 3500 State Highway 310, Manitowoc 54220 | (920) 683-4345 |
| Manitowoc County Recycling 3000 Basswood Rd, Manitowoc 54220 | (920) 683-4333 |
| Manitowoc Public Works Dept 1010 S 8th St, Manitowoc 54220 | (920) 683-4085 |