Heller International Building Heller International Building The Heller International Building is a skyscraper in Chicago, Illinois. The building rises 600 feet (183 m) in Chicago's Near West Side neighborhood. It contains 45 floors, and was completed in 1992. The Heller International Building currently stands as the 44th-tallest building in the city. The architectural firm who designed the building was Skidmore, Owings & Merrill, the same firm who designed Chicago's Sears Tower and John Hancock Center and the Burj Khalifa in Dubai. The Heller International Building currently stands as the tallest building in Chicago situated west of the Chicago River. One year after its
Willis Tower unfinished World Trade Center to become the world's tallest building. The height was restricted by a limit imposed by the Federal Aviation Administration (FAA) to protect air traffic. The financing of the tower was provided by the Sears company. It was topped with two antennas to permit local television and radio broadcasts. Sears and the City of Chicago approved the design, and the first steel was put in place in April 1971. The structure was completed in May 1973. The construction cost about US$150 million at the time, equivalent to $ million in 2019. By comparison, Taipei 101, built in