• Next Tallest
    Completed
    Building





Aon CenterDownload Project Factsheet

Click image for gallery.
Facts
Official Name Aon Center
Former / Other Name Amoco Building, Standard Oil Building
Type building
Status Completed
Country United States
State Illinois
City Chicago
Street Address / Map 200 East Randolph Drive
Building Function office
Structural Material steel
Start of Construction 1970
Completion 1973
Global Ranking #31 tallest in the World
Regional Ranking #5 tallest in North America
National Ranking #5 tallest in United States
City Ranking #3 tallest in Chicago
Figures
Height: Architectural 346.3 meter / 1136 feet
Floors Above Ground 83
Floors Below Ground 5
Tower GFA 334,448 m² / 3,599,968 ft²
# of Parking Spaces 679
Companies Involved
Design Architect Edward Durell Stone & Associates
Structural Engineers Perkins + Will;
Perkins + Will Engineering Division
MEP Engineers Cosentini;
Economy Mechanical Industries, Inc.
Main Contractor Turner Construction
Material Suppliers Cupples (Facade)
Other Consultants Otis Elevator Company;
RWDI;
Dow Corning Corporation
News Articles
What's 'That Thing' Atop the Aon Center?
Chicago Tribune, 2009-08
'Lollipop building' Architect Also Designed Aon Center
Chicago Tribune, 2008-09