75 Rockefeller Plaza is a skyscraper in New York City, originally built as an extension to Rockefeller Center. It was completed in 1947 in early Modernist style. It was originally the Esso Building, built for the Standard Oil Company (Esso). At completion it was the tallest completely air-conditioned building in New York City, and the first one in Rockefeller Center. After Standard Oil's successor, Exxon, moved to the newly built 1251 Avenue of the Americas, the building became known as the Time Warner Building, after the Time Warner media conglomerate, until they moved to the Time Warner Center. It is owned by Mohamed Al Fayed. and managed and leased by RXR Realty.