The Willis Tower, formerly the Sears Tower, was built by the Sears Roebuck Corporation as their corporate headquarters.
Owings and Merrill Skidmore were the architects
The Willis Tower.
It was built to house the combined corporate offices of Sears.
Construction began in 1970 and was completed in 1973.
On Wacker Drive, Chicago Illinois. The Sears Tower was renamed the Willis Tower on July 16, 2009.
Willis Tower was created in 1973.
Willis Group Holdings, a London-based insurance broker, consolidated its Chicago area offices to the Sears Tower. As part of the deal, Willis Group Holdings gets to put its own name on the skyscraper.
The Willis Tower (formerly the Sears Tower) in Chicago at 1452ft and built in 1974 is still the tallest tower in the US until the Freedom Tower is built. 2nd is the Aon Center in Chicago which is the 28th largest in the world at 1,136ft built in 1973.
it is some what a tall building
the burj khalifa in dubia is 2,727 feet 828m
No. The Willis Tower (formerly Sears Tower) was built approx. 80 years after the Eiffel Tower, and the tallest building before the Sears Tower was the World Trade Center.