The Thrall Car Manufacturing Company, located in Chicago Heights, IL, and Chamberlain Manufacturing, located in Scranton, PA are among the business interests held by the Duchossois Family. Dick Duchossois remains the leader of the family, but son Craig Duchossois is also politically active. The family also owns a portion of Churchill Downs, owner of Arlington International Raceway, and AMX Corporation.
The Duchossois family is a career patron of former Senate Republican Leader Frank Watson and House Republican Leader Tom Cross (R).