Wincor Nixdorf was a German corporation that is currently part of Diebold, the company that is now called Diebold Nixdorf provides hardware , software , and services for retail and banking . Wincor Nixdorf is mainly involved in the sale, manufacturing, installation and service of automatic transaction systems (such as ATMs ), retail banking equipment, lottery terminals, postal terminals, and software and services for global financial and commercial markets.