References External links Maze, Jonathan (May 2007) "Weighty matters: Bally works to fend off bankruptcy", Jonathan Maze. Franchise Times. Companies based in Chicago Health care companies established in 1983 1983 establishments in Illinois 2016 disestablishments in Illinois Companies that filed for Chapter 11 bankruptcy in 2007 Companies that filed for Chapter 11 bankruptcy in 2008 Health clubs in the United States Companies formerly listed on the New York Stock Exchange Medical and health organizations based in Illinois