LEONI AG, together with its subsidiaries, provides wires, optical fibers, cables, and cable systems; and related services for applications in the automotive and other industries worldwide. It operates in two segments, Wire & Cable Solutions, and Wiring Systems. The Wire & Cable Solutions segment develops, produces, and assembles wires and stands, optical fibers, standard and special cables, hybrid and optical cables, and various cable systems. This segment also provides connection services, and consulting and development services for the medical technology industry; complete automation solutions for Industry 4.0 production; and data-based information services for system-critical applications and preventative maintenance. This segment serves companies in the automotive, capital goods, medical technology, telecommunications, energy and infrastructure, and household and electrical appliances sectors. The Wiring Systems segment develops, manufactures, and sells cable harnesses, wiring systems, and related components. This segment serves carmakers, automotive suppliers, commercial vehicle manufacturers, and power sports vehicles manufacturers, as well as agricultural and sports vehicles industry. The company was formerly known as Leonische Drahtwerke AG and changed its name to LEONI AG in 1999. LEONI AG was founded in 1569 and is headquartered in Nuremberg, Germany.