These are images straight out of a doomsday movie: a huge storm front is gathering over the US city of Chicago. Then hail follows and lightning strikes the Willis Tower.

March 9, 2020 – Willis Tower Watson announces an agreement to combine with Aon plc. The new company will be named Aon. Keeping or changing the name of the building was not addressed.

This summary is reviewed by TRD Staff. The value of the Willis Tower is uncertain, with recent appraisals ranging from $999 million to $1.4 billion. Blackstone purchased the Willis Tower for $1.3 ...

Here’s some background information about Willis Tower, formerly the Sears Tower, located in Chicago. Facts The Sears Tower was the world’s tallest building until 1996, when it was surpassed by the ...