Seiwa Electric Mfg. Co., Ltd., together with its subsidiaries, manufactures and sells information equipment, lighting equipment, and components in Japan and internationally. The company offers information display systems for roadways, parking, and waterway conditions; emergency information systems for tunnels; monitoring boards for industrial plants; traffic control systems; and LED information displays. It also provides lighting and control equipment, including LED road lighting fittings, explosion proof type LED lighting fittings, and explosion proof type control boxes; and wire protection devices, such as e-Duct, a polyvinyl chloride-free protective cable housing. In addition, the company offers EMC products comprising fingers, gaskets, surface mounting fingers and 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 and heat shielding paints, and magnetic field probes. Further, it is involved in the manufacturing and sale of electromagnetic environment protection parts; irregularly shaped extrusion molded products; and computer software, as well as maintenance services. The company was founded in 1945 and is headquartered in Joyo, Japan.