Aon Center skyscraper building Chicago, Big Stan height, Standard Oil tower design architect, Date

Aon Center Chicago : Skyscraper Architecture

Big Stan: High-Rise Development in Chicago, United States of America design by architect Edward Durell Stone

post updated September 23 2024

Location: 200 East Randolph Street

Date built: 1970-73/74

Design: Edward Durell Stone, architect / Perkins + Will, architects

page updated Aug 20, 2016

Aon Center

Former Amoco Building, orig. Standard Oil Building

Floors: 83 storeys

Height: 1,136ft / 346m high

Aon Center, Chicago, Illinois, US, photo taken on 28 July 2022, 15:52:

photograph : Jules Verne Times Two, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0, via Wikimedia Commons

This skyscraper is the third tallest building in Chicago at the time of writing

Address: 200 E Randolph St, Chicago, IL 60601, United States

Aon Center Chicago architects : Perkins + Will

The Aon Center (200 East Randolph Street, formerly Amoco Building) is a modern skyscraper in the Chicago Loop, Chicago, Illinois, United States, designed by architect firms Edward Durell Stone and The Perkins and Will partnership, and completed in 1974 as the Standard Oil Building. With 83 floors and a height of 1,136 feet (346 m), it is the third tallest building in Chicago, surpassed in height by the Willis Tower and the Trump International Hotel and Tower. The building is managed by Jones Lang LaSalle, which is also headquartered in the building. Aon Center formerly had the headquarters of Aon and Amoco; Aon’s US operations are still headquartered here. The Aon Center is almost identical in design and floorplan to First Canadian Place in Toronto, Canada, the only major design difference being the orientation of the exterior windows, which can be seen by comparing exterior images of the two buildings:

photo : Ken Lund from Reno, Nevada, USA, CC BY-SA 2.0 https://creativecommons.org/licenses/by-sa/2.0, via Wikimedia Commons

The Standard Oil Building was constructed as the new headquarters of the Standard Oil Company of Indiana, which had previously been housed at South Michigan Avenue and East 9th Street.

When it was completed in 1974 it was the tallest building in Chicago and the fourth-tallest in the world.

A year later, the Sears Tower took the title as Chicago’s and world’s tallest.

The building employs a tubular steel-framed structural system with V-shaped perimeter columns to resist earthquakes, reduce sway, minimize column bending, and maximize column-free space. This construction method was also used for the former World Trade Center towers in New York City.

Name

The Standard Oil Building was renamed the Amoco Building in 1985. In 1998, Amoco sold the building to The Blackstone Group. It was renamed as the Aon Center at the end of 1999, although the Aon Corporation would not become the building’s primary tenant until September 2001. In 2003, Wells Real Estate Investment Trust, Inc. acquired the building.
source: wikipedia

Location: Chicago, Illinois, USA

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