Sanwa Holdings Corporation, through its subsidiaries, manufactures and sells steel construction materials for commercial and residential construction in Japan, North America, Europe, and Asia. It offers lightweight shutters, condominium doors, window shutters, exterior products, heavy-duty shutters, steel doors, partitions, stainless steel products, garage doors, operators, overhead doors, shutters, automatic doors, trucks/trailers, hinge doors, industrial doors, dock levelers, and aluminum store fronts, as well as maintenance services. The company was incorporated in 1948 and is headquartered in Tokyo, Japan.