The USA's highest occupied office space is the 98th floor of this Chicago structure
... in the north tower from the 94th to the 98th floors, causing massive structural... [DOC] [TLE] John Hancock Center - Wikipedia [PAR] The John Hancock Center is a 100-story, 1,127-foot (344 m) supertall skyscraper 
at 875 North Michigan Avenue, Chicago, Illinois, United States.