SMK (ＳＭＫ株式会社) is a company that manufactures and sells various parts for electro-communication devices and electronic equipment. It operates through three divisions: Connection System, Functional Components, and Touch Panel. The Connection System division offers connectors, including board to board, board to wire, FPC, RF coaxial, interface, card, battery, power, and LED connectors. The Functional Components division provides switches, such as push, slide, multi-functional device, and detector switches, remote controls. The Touch Panel division offers touch panels, including resistive, optical, and capacitive touch panels.