Founded in 1890, J.H. Findorff & Sons, Inc. is a general construction contractor. The company specialized in building educational facilities, municipal and governmental buildings, offices, parking ramps, shopping centers, hotels, convention centers and healthcare facilities. It offers pre-construction, construction phase and post-construction services. J.H. Findorff & Sons is based in Madison, Wis., and operates additional offices in Milwaukee, Wis.