Sears-Tower | Facility Executive - Creating Intelligent Buildings

The tallest building in the Western Hemisphere was renamed Willis Tower in a changing of the guard that underscores Chicago’s increasing importance as a major global financial and business center.


The tallest building in the Western Hemisphere was renamed Willis Tower in a changing of the guard that underscores Chicago’s increasing importance as a major global financial and business center.

Tallest Building in Western Hemisphere is Renamed Willis Tower

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