Willet Hauser Architectural Glass, Inc is a North American stained glass firm located in Winona, Minnesota that specializes in the design, fabrication, preservation and restoration of leaded stained glass and faceted glass windows. To date, Willet Hauser has created and/or restored windows in over 15,000 buildings located throughout the world. In 2018, Inc. Magazine named Associated Crafts/Willet Hauser Architectural Glass Inc. to its 37th annual Inc. 5000 list of the nation's fastest-growing private companies.