SEIWA HOLDINGS Co., Ltd., through its subsidiaries, manufactures and sells highway signs; and fabricates inspection lanes and steel brackets. The company also provides electro-galvanizing and zinc plating services for elevators and industrial machinery; designs and installs steel structures; sells various industrial machinery, etc.; and manufactures and sells electric wires and cables, generator and engine covers for ships, vacuum rubber molding machines, molding assist and bio-related equipment, and liquid level gauge and sight glass. It also engages in the painting of metal automotive parts; and plating of semiconductor manufacturing equipment and machine tool parts. The company was incorporated in 2021 and is headquartered in Nagoya, Japan.