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The Willis Tower, originally and still commonly referred to as the Sears Tower, is a 110-story, 1,451-foot (442.3 m) skyscraper in the Loop community area of Chicago in Illinois, United States. Designed by architect Bruce Graham and engineer Fazlur Rahman Khan of Skidmore, Owings & Merrill (SOM), it opened in 1973 as the world's tallest ...
The Willis Building was constructed between 2004 and 2008 under the management of Mace [3] and represented a significant addition to the City of London skyline at the time, becoming its fourth-tallest building after Tower 42, 30 St Mary Axe and CityPoint. The core was topped out in July 2006 and the steelwork completed in September that year.
The tallest building in the city is the 110-story Willis Tower (also known as the Sears Tower), which rises 1,451 feet (442 m) in the Chicago Loop and was completed in 1974. [2] [3] Sears Tower was the tallest building in the world upon its completion, and remained the tallest building in the United States until May 10, 2013. [4]
February 1, 2017 - Blackstone Group unveils its plans for $500 million in tower renovations, ... March 9, 2020 - Willis Tower Watson announces an agreement to combine with Aon plc. The new company ...
Chicago, Illinois (WGN) - The Willis Tower has a new owner. The Blackstone Group is a private real estate investment team. Blackstone Real Estate Partners VII agreed to pay $1.3 billion for the tower.
Visitors at Chicago's Willis Tower had a scare Monday night after the protective layer of the building's skydeck cracked under their feet.
At the time, the Willis Tower held first place in the second and third categories, the Petronas Towers held the first category, and the original WTC North Tower held the fourth (height to tip) category with its antenna. [19] In 2000, however, a new antenna mast was placed on the Willis Tower, giving it the record in the fourth category.
Willis secured the naming rights effective July 2009 as part of its agreement to lease 140,000 square feet (13,000 m 2) of space in the 3,800,000-square-foot (350,000 m 2) tower. [14] It is the tallest building in the U.S. and was the tallest building in the world from 1974 until 1998, when it was surpassed by the Petronas Towers in Kuala ...