German company Leoni AG, based in Nuremberg, is a world renowned manufacturer of insulated wires, cables for the electrical industry (division LEONI Wire & Cable) and cable harnesses for the automotive industry (Wiring Systems Division). LEONI Slovakia, Trenčín branch plant was originally founded as LEONI Autokabel Slovakia spol. s.r.o. in October 1993. In January 2013 LEONI three companies operating in Slovakia have developed a common representation of the company under the name of LEONI Slovakia spol. s.r.o., figuring in which the original company as a separate branch plants.