If you’re interested in becoming a pre-qualified plumber, fill out and submit the Pre-qualified Plumber Application to the City’s Building Inspection Department located at the City/County Government Building at 160 South Macy Street.

Current Pre-Qualified Plumber/Contractors

Business Name Address City, State Phone Number
Acme Trenchless Utilities LLC 114 S Main St #258 Fond du Lac, WI (920) 376-4222
Gyr Acquisitions Inc. 629 Van Dyne Rd Fond du Lac, WI (920) 921-7546
Mand Boring & Trenching PO Box 1541 Fond du Lac, WI (920) 960-3635
Mand Plumbing LLC. PO Box 1341 Fond du Lac, WI (920) 924-4575
Mark Mand Excavating, Inc. W3620 County Rd WH Malone, WI (920) 921-4040
Mies Rooter & Plumbing N7333 Mosher Dr. Fond du Lac, WI (920) 922-7273
R and R Plumbing LLC PO Box 2284 Oshkosh, WI (920) 279-3949
Wally Schmid Excavating Inc 7821 Swiss rd Oshkosh, WI (920) 216-0241