the Mitsubishi Group, purchased the Rockefeller Group in 1989.

After completing the original 6000000 sqft, Art Deco complex from 1931 to 1939 (the company name was then the Metropolitan Square Corporation), the company developed several towers in the immediate vicinity from the late 1940s into the 1950s and 1960s. It entered into a partnership with Time Inc. and constructed a 48-story building for the company, 1271 Avenue of the Americas,