Aon Center
Skyscraper
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The Aon Center is a modern super tall skyscraper east of the Chicago Loop, Chicago, Illinois, United States, designed by architect firms Edward Durell Stone and The Perkins and Will partnership, and completed in 1973 as the Standard Oil Building. Wikipedia
Height: 1,136′, 1,189′ to tip
Floors: 83
Opened: 1973
Floor space: 3.6 million ft²
Architectural style: Modern architecture
Owner: Piedmont Office Realty Trust
Architect: Edward Durell Stone