Sears conglomerate during the mid-20th century, adding Dean Witter and Coldwell Banker real estate in 1981, starting Prodigy as a joint venture with IBM in 1984, and introducing the Discover credit card in 1985. In 1974, Sears completed the 110-story Sears Tower in Chicago, which became the world's tallest building, a title it took from the former World Trade Center towers in New York. Sears moved to the new Prairie Stone Business Park in Hoffman Estates, Illinois, between 1993 and 1995. The Sears Centre is a 10,001-seat multi-purpose arena located in Hoffman Estates adjacent to the Prairie Stone campus. Even though
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