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AON CENTER

346 metres/1,136 feet
83 stories
Completed: 1973
Tallest building in Chicago (1973 - 1974)
14th tallest building in the world


A few facts about the building:
- the building costs were an estimated 120 million US Dollars.
- designed by Edward Durell Stone & Associates and Perkins and Will Corporation;
- the skyscraper's facade is comprised of 43,000 marble panels;
- the original Italian marble facade didn't endure the harsh Chicago winters for very long:
the building was completely refurbished with granite at the beginning of the Nineties;
costs of this were about 60 million US Dollars (half of the original building costs);
- the building is the tallest 'box-shaped' skyscraper in the world;
- the building changed its name twice:
it was built as Standard Oil Building, then changed its name to Amoco Building,
and in 2001 to Aon Center;
- in 1998 and 2003, the building was sold for an estimated 435 million and 475 million US Dollars respectively;






Click here to go (back) to the city page of Chicago

Or click here to go (back) to the Top 25 of tallest buildings in the world

The building data, the top 10 of tallest buildings and some of the building information are courtesy of
EMPORIS.COM, one of the world's leading architectural resources on tall buildings.

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