Second Leiter Building Second Leiter Building The Second Leiter Building, also known as the Leiter II Building, the Sears Building, One Congress Center, and Robert Morris Center, is located at the northeast corner of South State Street and East Congress Parkway in Chicago, Illinois. The building is not to be confused with the present Willis Tower, formerly the Sears Tower, constructed and owned by the famous nationwide mail-order firm Sears, Roebuck & Company. This landmark of the Chicago school of architecture gained fame for being one of the earliest commercial buildings constructed with a metal skeleton frame remaining in the United States. Built
Chase Tower (Chicago) Chase Tower (Chicago) Chase Tower, located in the Chicago Loop area of Chicago, in the U.S. state of Illinois at 10 South Dearborn Street, is a 60-story skyscraper completed in 1969. At 869 feet (259 m) tall, it is the eleventh-tallest building in Chicago, the tallest building inside the Chicago 'L' Loop elevated tracks, and the 40th-tallest in the United States. Chase Bank has its U.S. and Canada commercial and retail banking headquarters here. The building is also the headquarters of Exelon. The building and its plaza (known as Exelon Plaza) occupy the entire block bounded by Clark, Dearborn, Madison,