Sears, Roebuck and Company Complex Sears, Roebuck and Company Complex The Sears, Roebuck and Company Complex on the west side of Chicago, Illinois is where Sears, Roebuck conducted the bulk of its mail order operations between 1906 and 1993. It also served as the corporate headquarters until 1973, when the Sears Tower was completed. Of its original complex, only three buildings now survive, and have been adaptively rehabilitated to other uses. The complex was designated a National Historic Landmark in 1978, at which time it still included the 3-million square foot mail order plant, the world's largest commercial building when it was completed. That building
Century Tower (Chicago) is listed in the National Register of Historic Places. This building has formerly been named: Century Tower (Chicago) The Century Tower Condominiums, formerly known as the Trustees System Service Building, is a historic building located at 182 West Lake Street in the Loop in Chicago, Illinois. The building was designed in 1929 and completed in 1930; at the time of its completion, it was the tallest reinforced concrete building in the world. Its original tenant and namesake was the Trustees Service System, a bank that specialized in consumer loans. Architects Thielbar and Fugard designed the building in the Art Deco