Law Enforcement Agencies in Joliet, IL IL › Will County Agencies serving the city of Joliet in IL. Agency Types in Joliet Adult Institutions 3 agencies Campus Police 2 agencies Coroners 1 agencies County Jails 1 agencies Municipal Police 1 agencies Sheriff 1 agencies All Agencies in Joliet, IL Department of Corrections Will County Joliet Junior College Will County Joliet Police Department Will County Joliet Treatment Center Will County Stateville Correctional Center Will County University of Saint Francis Will County Will County Adult Detention Facility Will County Will County Coroners Office Will County Will County Sheriffs Office Will County
