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Willis Tower - The Skyscraper Center Countries Cities Buildings Companies Create Lists/Graphics Compare Data Search Submit Data Chinese/中文 Willis Tower Download PDF Click an image to view larger version. Height: Occupied 412.7 m / 1,354 ft   Height: Architectural 442.1 m / 1,451 ft     Height: To Ti

Sears Tower (4.5 million ft2) Chicago, Illinois (1974) 1,454 feet, 443.0 meters, 110 stories Original owners: Sears Roebuck and Company. Architect: Bruce Graham, design partner, Skidmore, Owings and Merrill. Engineer: Fazlur Khan of Skidmore, Owings and Merrill. Constructed 1970-1974 Photo courtesy Skidmore, Owings &

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The Willis Tower, built and still commonly referred to as Sears Tower, is a story , skyscraper in Chicago , Illinois, United States. At completion in it surpassed the World Trade Center towers in New York to become the tallest building in the world , a title it held for nearly years. The Willis Tower is the second-tall