1908 – Singer Building, 149 Broadway, New York Architect: Ernest Flagg The Singer Building in lower Manhattan was completed in 1908 and served as the headquarters of the Singer Manufacturing Company.
1909 – Metropolitan Life Insurance Company, New York Architect: Napoleon LeBrun & Sons The Metropolitan Life Tower was designed by the architectural firm of Napoleon LeBrun &
1913 – Woolworth Building, New York Architect: Cass Gilbert The Woolworth Building was constructed in neo-Gothic style by architect Cass Gilbert, who was commissioned by Frank Woolworth in 1910 to design the new corporate headquarters.
1929 – Chrysler Building, New York Architect: William Van Alen A distinctive symbol of New York City, originally built for the Chrysler Corporation, this was the first structure in the world to surpass the 1,000 foot mark.
1930 – 40 Wall Street, New York Architect: H. Craig Severance 40 Wall Street is a 70-story skyscraper located in New York City. Originally known as the Bank of Manhattan Trust building,
1931 – Empire State Building, New York Architect: Shreve, Lamb & Harmon Associates Designed by Shreve, Lamb and Harmon, the Empire State Building was finished in 1931.
1974 – Willis Tower, Chicago, Illinois Architect: Skidmore, Owings & Merrill LLP Willis Tower, formerly named Sears Tower, is at 1450 feet and 110 stories,