Quanex Building Products Corporation, together with its subsidiaries, provides components for the fenestration industry in the United States, Europe, Canada, Asia, and internationally. The company operates through three segments: North American Fenestration, European Fenestration, and North American Cabinet Components. It offers flexible insulating glass spacers, extruded vinyl profiles, window and door screens, and precision-formed metal and wood products, as well as cabinet doors and other components for original equipment manufacturers (OEMs) in the kitchen and bathroom cabinet industry.