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
Joshua Sears Building works on what is now Peter Kirk Park. The building originally intended to house a bank at the corner. Sears outfitted the entire interior and even hired a partial staff but with the arrival of the Panic of 1893, the doors, like the steel mill, never opened. In the years after the bust, the building, like many others in the area remained mostly vacant, though it, along with a large portion of the original townsite remained in the ownership of the Sears estate. The corner space was eventually occupied by a printing company and later a grocery store. An electric