"Gateway's Corrections Division has a rich history of service to Illinois, which includes past operation of programs at numerous facilities within the Illinois Department of Corrections, as well as, day reporting and pre-release programs at the Cook County Sheriff 's Office. Although Gateway does not currently operate correctional programs in Illinois, we provide extensive residential and outpatient services through our Community Services Division programs located throughout the state. For a list of our treatment locations in Illinois, please Click here and you will be directed to our Community Services Division website."