Zuken is a global software company focused on electrical and electronic engineering, founded in 1976 and headquartered in Yokohama, Japan. Its portfolio covers ECAD and digital engineering software: E3.series for electrical, wire harness and fluid design, CR-8000, eCADSTAR and CADSTAR for PCB design, GENESYS for model-based systems engineering, and DS-2 (DS-E3, DS-CR) for design data and workflow management, plus consulting and support services. It is listed on the Tokyo Stock Exchange and has European headquarters in Munich and North American headquarters in Westford, MA.