| Business | Phone |
| Dan's Plumbing 8624 Arrow Rd, Manitowoc 54220 | (920) 686-1245 |
| Donald Wellner Plumbing & Htg 5605 Old County Road Q, Manitowoc 54220 | (920) 682-3125 |
| Hein Plumbing Inc 925 S 29th St, Manitowoc 54220 | (920) 682-3950 |
| Lakeshore Plumbing & Mech Manitowoc 54220 | (920) 686-1188 |
| Luisier Plumbing Inc 4623 Goodwin Rd, Manitowoc 54220 | (920) 682-3666 |
| Manlick Plumbing 7815 County Road C, Manitowoc 54220 | (920) 652-0721 |
| Maritime Plumbing & Mechanical 1126 N 12th St, Manitowoc 54220 | (920) 682-8794 |
| Meyer Plumbing & Heating 6180 Middle Rd, Manitowoc 54220 | (920) 682-8525 |
| Plumbing Service & Repair 1016 S 15th St, Manitowoc 54220 | (920) 684-0596 |
| Roto-Rooter Plumbing & Drain Po Box 2093, Manitowoc 54221 | (920) 682-5880 |
| Sladky Plumbing 1702 State Highway 310, Manitowoc 54220 | (920) 682-0211 |
| Tollefson Plumbing & Heating 3510 S 10th St, Manitowoc 54220 | (920) 684-9424 |