Back مركز عون ARZ АОН Център Bulgarian Aon Center Catalan Aon Center (Chicago) Czech Aon Center Danish Aon Center (Chicago) German Aon Center (Chicago) Spanish Aon Center (Chicago) Estonian Aon Center (Chicago) Basque ایون سنتر Persian

Aon Center (Chicago)

Not to be confused with Aon Center (Los Angeles).

Aon Center
The Aon Center in January 2020
Aon Center (Chicago) is located in Chicago metropolitan area
Aon Center (Chicago)
Location within Chicago metropolitan area
Aon Center (Chicago) is located in Illinois
Aon Center (Chicago)
Aon Center (Chicago) (Illinois)
Aon Center (Chicago) is located in the United States
Aon Center (Chicago)
Aon Center (Chicago) (the United States)
Former names
  • Amoco Building
  • Standard Oil Building
General information
StatusCompleted
TypeOffice
Architectural styleModern
Location200 E. Randolph St.
Chicago, Illinois 60601
United States
Coordinates41°53′07″N 87°37′17″W / 41.88528°N 87.62139°W / 41.88528; -87.62139
Construction started1970
Opening1973
CostUS$120 million
OwnerMark Karasick
Victor Gerstein[1]
Height
Architectural346.3 m (1,136 ft)[2]
Tip362.5 m (1,189 ft)[2]
Top floor328 m (1,076 ft)[2]
Technical details
Floor count83 above ground[2]
5 below ground
Floor area334,448 m2 (3,599,968 sq ft)[2]
Lifts/elevators50, made by the Otis Elevator Company
Design and construction
Architect(s)Edward Durell Stone[2]
DeveloperStandard Oil of Indiana
Main contractorTurner Construction[2]
References
[2]

The Aon Center (200 East Randolph Street, formerly Amoco Building)[3] is a modern supertall skyscraper located in the Northeast corner 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[4] as the Standard Oil Building (nicknamed "Big Stan").[5] With 83 floors and a height of 1,136 feet (346 m), it is the fourth-tallest building in Chicago,[2] surpassed in height by Willis Tower, Trump International Hotel and Tower, and St Regis Chicago.

The building is managed by Jones Lang LaSalle, which is also headquartered in the building. Aon Center houses the headquarters of Aon, Blue Cross Blue Shield Association, and Kraft Heinz (BCBS and Kraft Heinz each have a second headquarters, located in D.C. and Pittsburgh respectively);[6] the building formerly served as the world headquarters of Amoco prior to its merger into BP.[7][8][9][10]

The building was briefly the tallest in Chicago, but was soon surpassed by the Sears Tower. It was the fourth-tallest building in the world at the time of its completion.

  1. ^ Cunningham, Cathy; Grossman, Matt (June 8, 2018). "J.P. Morgan, Brookfield Provide $678M Financing Package for Chicago's Aon Center". Commercial Observer.
  2. ^ a b c d e f g h i "The Skyscraper Center: Aon Center". Council on Tall Buildings and Urban Habitat. Archived from the original on August 8, 2014.
  3. ^ Roeder, David (February 21, 2003). "New owner expected for Aon Center". Chicago Sun-Times. Retrieved September 18, 2008 – via Newsbank.
  4. ^ Saliga, Pauline, ed. (1990). The Sky's the Limit: A Century of Chicago Skyscrapers. New York: Rizzoli. p. 219. ISBN 978-0847811793.
  5. ^ "Aon Center, Chicago". Emporis. Archived from the original on December 7, 2006. Retrieved April 23, 2008.{{cite web}}: CS1 maint: unfit URL (link)
  6. ^ "Blue Cross and Blue Shield Customer Service – Contact Us | bcbs.com". Blue Cross Blue Shield Association. Retrieved October 19, 2024.
  7. ^ Tadena, Nathalie; Dean, Jason; Scism, Leslie (January 14, 2012). "Aon Shifts Headquarters to London". The Wall Street Journal. Archived from the original on August 31, 2017. Retrieved January 20, 2020.
  8. ^ "Contacts". Amoco. February 12, 1998. Retrieved on March 31, 2010.
  9. ^ Du, Lisa (February 23, 2017). "Kraft Heinz eliminated another 1,000 jobs in 2016". Chicago Tribune. Bloomberg News.
  10. ^ "Kraft Heinz preps HQ move into Chicago". Chicago Business Journal. July 15, 2015. Retrieved January 20, 2020.

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