 250 publishing houses on five continents are part of the company, including Random House and Penguin Books, but also Doubleday, Knopf and Viking.The German "Verlagsgruppe Random House" (Goldmann, Heyne and others), based in Munich, is not part of Penguin Random House, yet it does belong to the same division at Bertelsmann.Penguin Random House has its main headquarters in the Penguin Random House Tower in New York City.