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 Phone Number
Abel Plumbing 1402 W. South Park Ave Oshkosh (920) 385-7037
Acme Trenchless Utilities LLC 844 Ransom St Ripon (920) 376-4222
Ahern-Gross 218 S. Main St Fond du Lac (920) 921-1414
Grebe Plumbing LLC 111 4th St Fond du Lac (920) 251-7694
Mand Plumbing LLC PO Box 1341 Fond du Lac (920) 924-4575
Mies Rooter & Plumbing N7333 Mosher Dr Fond du Lac (920) 922-7273
Pat Mand Boring & Trenching PO Box 1541 Fond du Lac (920) 960-3635
Rob Giese Construction Services Inc. N7224 Kramer Dr Fond du Lac (920) 923-5188