| Name | Name:Chase Tower (Chicago) | Name:Aon Center (Los Angeles) | 
| Height | Height:259 m, (850 ft) | Height:262 m, (860 ft) | 
| Location | Location:Chicago, United States | Location:Los Angeles, United States | 
| Year Constructed | Year Constructed:1969 | Year Constructed:1973 | 
| Description | Description: | Description: | 
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