Leoni AG designs and manufactures wiring systems, cable harnesses, and power/data distribution components for global car and commercial‑vehicle OEMs and suppliers. Headquartered in Nuremberg, Germany, it delivers development‑to‑production programs for conventional and electric vehicles, including high‑voltage and zonal architecture solutions. The company became majority‑owned by Luxshare in 2025 and operates a global production footprint across more than 20 countries.