Sony - Sony Corporation is an operating-holding company. It is the electronics business unit and the parent company of the Sony Group, which is engaged in business through its 5 operating segments — electronics, games, entertainment (motion pictures & music), financial services and other. These make Sony one of the most comprehensive entertainment companies in the world. Sony's principal business operations include Sony Corporation (Sony Electronics in the U.S.), Sony Pictures Entertainment, Sony Computer Entertainment, Sony BMG Music Entertainment and Sony Financial Holdings.