Chicago Board of Trade Building percent of available space, while financial and trading concerns occupy 54 percent of the three-building complex. In addition to Ceres Cafe on the first floor of the lobby, other businesses provide banking, insurance, travel services, beauty services, and healthcare. Some business have been in the building for over 40 years, and throughout its history, commodities speculators, such as "Prince of the Pit" Richard Dennis, have maintained offices in the building. In 2007, the U.S. Futures Exchange, a competitor of the CBOT formerly known as Eurex US, announced a move from the Sears Tower into the 14th floor of the CBOT
The Gogo Building district along the Chicago River. There are two large red brick buildings along the Chicago River just south of where the river splits, formerly known as the Butler Brothers Warehouse buildings. They were both designed for the Butler Brothers Company, a mail order company, similar to Montgomery Ward's and Sears & Roebuck at the time. The northern structure was designed by Daniel Burnham, a famous Chicago architect, with its completion date being 1913, a year after Burnham’s death. This building only stood for 7 years before being completely demolished and rebuilt exactly as it stood before by the Chicago Union