Sears Tower To Become Willis Tower As Willis Group Holdings Moves In

CHICAGO – MARCH 12: The Sears Tower (C) rises above the skyline on March 12, 2009 in Chicago, Illinois. The building will be changing its name to the Willis Tower after London-based insurance broker Willis Group Holdings moves into the building. The building, once the tallest in the world, was built in the 1970s to house the offices of the then largest retailer in the world Sears, Roebuck & Co. (Photo by Scott Olson/Getty Images)

By austind03 on December 14, 2017