Chicago Sears Tower, Now Known as Willis Tower
Wednesday, July 15th, 2009Known as the Sears Tower since it opened in 1973, the tallest building in the United States is set to change its name to Willis Tower. The London-based insurance brokerage Willis Group Holdings will make the name change official Thursday with a ceremony at the downtown Chicago skyscraper. Willis is leasing 140,000 square feet and [...]