A significant part of the history of the stained glass industry in the United States during the past 100 years belongs to Willet Studios and the Hauser Art Glass Company. These two companies, first individually and now as Willet Hauser Architectural Glass, continue to lead the stained glass industry. The company is a full-service artistic glass company that offers traditional leaded glass techniques, contemporary and traditional glass painting, flashed glass etching, staining, sand carving, faceted glass fabrication, glass frit fusion, plating of leaded and faceted glasses and sculptured gold window techniques. Its also offers repair, restoration and protection to existing windows. The company has provided art for more than 20,000 churches and institutions, such as The National Cathedral in Washington, D.C.; Princeton University Chapel; The Cadet Chapel in the United States Military Academy at West Point; and the Arlington National Cemetery Chapel. Willet Hauser Architectural Glass has a location in Winona, Minn.