Oi Electric Co., Ltd. manufactures and sells information and communication equipment and provides network construction and maintenance services for social infrastructure in Japan. The company operates through two primary segments offering optical transmission systems including WDM and SDH transport devices and converters; security and monitoring systems for contact and analog information; remote measurement and sensing systems; wireless application devices such as LoRa gateways, end devices, and LTE-Cat.M1 solutions; media converter equipment; digital radio and computer network systems; and electronic measurement instruments for field maintenance; as well as construction and maintenance of communication equipment, optical networks, and cable television infrastructure. Founded in 1950 and headquartered in Yokohama, Japan, Oi Electric supports network construction from planning and consulting through installation and after-service. The company maintains steady revenue around 29 billion JPY with recent net income growth to 1.35 billion JPY as of the trailing twelve months.