About Marsh & McLennan Headquarters
1166 is a 600-feet (183-meter) tall skyscraper located at 1166 Avenue of the Americas in New York City, New York. It was completed in 1974 and has 44 floors. Skidmore, Owings & Merrill designed the building, which is the 82nd tallest in New York City. It is formerly the headquarters of Marsh & McLennan.