Seiwa Electric Mfg. Co., Ltd., together with its subsidiaries, provides information display systems, industrial lighting equipment, road and tunnel lighting equipment, EMC products, LED module products for lighting, and wire protection devices in Japan. It operates through Information Equipment, Lighting Equipment, Component, and Others segments. The company offers information display systems for roadways, and parking and waterway conditions; emergency information systems for tunnels; monitoring boards for industrial plants; traffic control systems; and LED information displays. It also produces explosion-proof lighting for use in chemical plants, oil refineries, and other hazardous environments; air-and watertight light fixtures, and lighting products for various industrial environments, as well as supplies illumination for tunnels, highways, and expressways; street lighting for towns and cities; and landscape lighting. In addition, the company develops e-Duct, a polyvinyl chloride-free protective cable housing. Further, it provides fingers, surface mounting fingers and gaskets, gaskets, nonwoven fabric gaskets, ferrite cores, conductive cloth tapes, shield tubes, grounding straps and clamps, electromagnetic wave control sheets, conductive silicone rubbers, metal foil tapes and sheets, thermal conductive sheets, radiation paints and heat shielding paints, and magnetic field probes. Seiwa Electric Mfg. Co., Ltd. was founded in 1945 and is headquartered in Joyo, Japan.