Consequently, the company made the decision to consolidate its offices in the Chicago area into one building located on the western edge of the Loop. With approximately 350,000 employees, Sears concluded that relocating to the suburbs was not feasible. had outgrown its existing office complex in Chicago and began to search for a new site. Morgan Stanley became the fourth-largest tenant in 2017. Other major tenants include the Willis Towers Watson, Schiff Hardin, and Seyfarth Shaw. As of April 2018, the building’s largest tenant is United Airlines, which occupies around 20 floors. Many local residents still refer to it by its old name. It was known as the Sears Tower until the naming rights were included in a 2009 lease with the Willis Group. Formerly, the lower half was occupied by the retail company Sears, which had its headquarters there until 1994, and the upper stories were rented out. The exterior is made up of anodized aluminum and black glass, and the base of the building contains a retail complex called the Catalog. It has 108 stories, though the building’s owners count the main roof as 109 and the mechanical penthouse roof as 110. Graham and Khan designed it as nine separate square “tubes” that are clustered in a 3×3 matrix, with seven of the tubes set back at the upper floors. The building takes up a site bounded by Franklin Street, Jackson Boulevard, Wacker Drive, and Adams Street.

Each year, more than 1.7 million people visit the Skydeck observation deck, which is the highest in the United States and one of Chicago’s most popular tourist attractions. Currently, it is the third-tallest building in the Western Hemisphere and 23rd-tallest in the world. It was designed by Bruce Graham and Fazlur Rahman Khan of Skidmore, Owings & Merrill and opened in 1973, becoming the world’s tallest building for nearly 25 years. The Willis Tower (formerly the Sears Tower) is a 110-story, 1,451-foot skyscraper located within the Loop community of Chicago. Introduction to Skydeck Chicago and the Willis Tower Chicago willis tower history, name change sears tower to willis tower, sears tower chicago, sears tower history chicago, sears tower skydeck, skydeck chicago, the sears tower, the willis tower, when did sears tower change name, willis tower chicago, willis tower sears tower, willis tower skydeck

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