SMK Corp manufactures and sells parts for the electrocommunication device and electronic equipment. Its reportable segments include Connection System; Sensing, Communications and Interface; Research and Development Center, and others. The company generates maximum revenue from the Sensing, Communications, and Interface segment, which produces and sells remote controls, switches, camera modules, and touch sensors. Geographically, it derives a majority of its revenue from Japan. The company's product portfolio includes connectors, plugs/jacks, switches, accessories, remote control units, antennas, touch panels, and communication modules.