Ahern Gross Inc. is a family owned plumbing contractor that strives to provide quality service and products for customers within 60 miles of its downtown location at 218 S. Main Street in Fond du Lac. The company was established in February of 1983 by Thomas J. Gross. He purchased the residential service division of the J.F. Ahern Company – a longstanding local company that was started in the 1880’s. Ahern Gross offers the only registered Kohler showroom in Fond du Lac County. Ahern Gross was again chosen as the 2013 Reporters Readers Choice Award Winner for Best Plumber.