Aon Center (Chicago) Aon Center (Chicago) The Aon Center (200 East Randolph Street, formerly Amoco Building) is a modern supertall 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
Joshua Sears Building Joshua Sears Building The Joshua Sears Building is a historic building in Kirkland, Washington located at the northwest corner of Market Street and Seventh Avenue, Kirkland's historic commercial core. It is listed on the National Register of Historic Places. It was built in 1891 by Boston philanthropist and capitalist, Joshua Sears, who was heavily invested in Peter Kirk's Great Western Iron and Steel Company and who planned to open a bank in town. As a result of the Panic of 1893, the steel mill and the bank never opened but the Sears building survives today as a reminder of what