• Village of Arlington Heights*
  • Village of Barrington*
  • Village of Beach Park
  • Village of Beecher
  • City of Belvidere*
  • Township of Belvidere*
  • Village of Bourbonnais*
  • Village of Bradley*
  • City of Braidwood
  • Village of Brookfield*
  • Village of Buffalo Grove*
  • Village of Burr Ridge
  • City of Calumet City
  • Village of Carol Stream*
  • City of Carpentersville
  • Village of Cary*
  • Village of Channahon
  • City of Chicago Heights*
  • Village of Clarendon Hills*
  • City of Coal City
  • City of Countryside*
  • City of Crest Hill*
  • Village of Crete
  • City of Crystal Lake*
  • City of Darien*
  • Village of Deer Park*
  • Village of Deerfield
  • DeKalb Sanitary District
  • City of Dixon
  • City of Dwight*
  • Village of Elburn*
  • Elk Grove Village
  • City of Elmhurst*
  • Village of Elwood
  • Village of Flossmoor*
  • Village of Forest Park*
  • Village of Fox Lake*
  • Village of Fox River Grove*
  • Village of Franklin Park
  • Village of Gardner
  • Village of Gilberts*
  • Village of Glen Ellyn*
  • Village of Glencoe
  • Village of Glendale Heights*
  • Village of Glenview
  • Village of Glenwood*
  • Village of Grant Park*
  • Village of Gurnee *
  • Village of Hampshire*
  • Village of Harwood Heights*
  • Hanover Township*
  • Village of Hanover Park*
  • City of Harvard*
  • Village of Hawthorn Woods*
  • Village of Herscher*
  • Village of Hazel Crest
  • City of Highland Park
  • Village of Hinsdale*
  • Village of Hoffman Estates*
  • Village of Homewood
  • Village of Island Lake*
  • Village of Inverness*
  • Village of Itasca*
  • Village of Justice*
  • City of Kankakee*
  • Kankakee County*
  • Lake in Hills Sanitary
  • Village of La Grange
  • Village of La Grange Park*
  • Village of Lake Barrington*
  • Village of Lake Zurich*
  • Village of Lansing*
  • Village of LaSalle
  • Village of Libertyville*
  • Village of Lincolnshire*
  • Village of Lisle*
  • Village of Lombard*
  • Village of Long Grove*
  • Village of Lindenhurst
  • Village of Manhattan*
  • City of Marengo
  • Village of Manteno*
  • City of Mendota
  • City of Minonk
  • City of Minooka
  • Village of Mokena*
  • City of Momence*
  • Village of Montgomery*
  • City of Morris*
  • Village of Morton Grove*
  • Village of Mount Prospect*
  • Village of Mundelein*
  • Village of New Lenox*
  • Village of Norridge*
  • Village of North Aurora*
  • Village of North Riverside*
  • City of Northlake
  • City of North Chicago*
  • City of Oak Forest*
  • Village of Olympia Fields*
  • Orland Township*
  • Village of Orland Park*
  • Village of Oswego*
  • Palatine Township*
  • Village of Palatine*
  • City of Palos Hills*
  • City of Palos Heights*
  • Village of Palos Park*
  • Village of Park Forest*
  • City of Park Ridge
  • Village of Pecatonica
  • Village of Peotone
  • Village of Pingree Grove*
  • Village of Plainfield
  • City of Pontiac
  • Village of Prairie Grove*
  • City of Richton Park
  • Village of River Grove*
  • Village of Riverside*
  • Village of Round Lake
  • Village of Round Lake Bch*
  • Village of Round Lake Park*
  • Village of Romeoville
  • Village of Schiller Park*
  • Village of Shorewood
  • Village of South Barrington*
  • Village of South Chicago Hts*
  • Village of South Elgin*
  • Village of South Holland*
  • Village of Streamwood
  • Village of Sugar Grove*
  • City of Sycamore*
  • Village of Tinley Park*
  • Village of Vernon Hills*
  • Village of Villa Park*
  • Warren Township*
  • City of Warrenville*
  • Village of Wauconda
  • City of West Chicago*
  • Village of West Dundee*
  • Village of Westchester*
  • City of Wheaton
  • Village of Wheeling*
  • Village of Wilmette
  • City of Wilmington
  • City of Wood Dale*
  • Village of Woodridge
  • Village of Worth
  • United City of Yorkville*
  • City of Zion*

  • * Municipal Aggregation