|Country||United States of America|
|Year||1995 / 2007 - 1997 / 2010|
|Height||226.8 m / 744 ft|
|Surface||204 387 m² / 2 200 000 ft²|
Blue Cross-Blue Shield Headquarters
300 East Randolph Street
at the corner of East Randolph Street and Columbus Drive
Built in two phases: The first phase with 30 stories was completed in 1997; the second phase in 2010 added another 24 stories.