Seiwa Electric Mfg. Co., Ltd. engages in the manufacture and sale of lighting and electronic equipment, components, and information display systems. Its operations are carried out through the following segments: Information Equipment, Lighting Equipment, Component and Others. The Information Equipment segment engages in the manufacture and sale of information display, traffic signal, and tunnel disaster prevention systems. The Lighting Equipment segment manufactures and sells light-emitting diode devices and components. The Component segment manufactures and sells wiring protection materials, pipe protection equipment, and electromagnetic parts. The Others segment handles the mechatronics products, commodity purchase and sale, and information services. The company was founded on October 1, 1945 and is headquartered in Joyo, Japan.