Sanwa 

Sanwa Holdings Corporation, through its subsidiaries, manufactures and sells construction materials for commercial and residential buildings in Japan, North America, Europe, and Asia. The company offers residential lightweight shutters, condominium doors, window shutters, and exterior products; and garage door, operators, and hinge doors. It also provides non-residential heavy-duty shutter, steel doors, partitions, stainless steel products, overhead doors, automatic doors, truck/trailer doors, industrial doors, and dock levelers. In addition, the company engages in the installation, maintenance, and service activities. Sanwa Holdings Corporation was incorporated in 1948 and is headquartered in Tokyo, Japan.