| Name | Name:311 South Wacker Drive | Name:Comcast Center | 
| Height | Height:293 m, (961 ft) | Height:297 m, (974 ft) | 
| Location | Location:Chicago, United States | Location:Philadelphia, United States | 
| Year Constructed | Year Constructed:1990 | Year Constructed:2008 | 
| Description | Description: | Description: | 
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