Illinois Counties including: Cook County, DuPage County, Kane County, Lake County, McHenry County, and Will County.
Serving the local townships of: Antioch, Arlington Heights, Barrington, Bartlett, Berwyn, Bolingbrook, Buffalo Grove, Carol Stream, Chicago, Crystal Lake, Des Plaines, Evanston, Fox Lake, Fox River Grove, Glenview, Grayslake, Gurnee, Hanover Park, Harwood Heights, Hawthorn Woods, Highland Park, Hoffman Estates, Huntley, Hyde Park, Island Lake, Lake Forest, Lake Zurich, Libertyville, Lincolnshire, Lincolnwood, Lombard, Long Grove, Melose Park, Morton Grove, Mount Prospect, Mundelein, Niles, Norridge, Northbrook, Oak Park, Palatine, Park Ridge, Prospect Heights, Riverwoods, Rolling Meadows, Rosemont, Round Lake, Schaumburg, Skokie, Tower Lakes, Vernon Hills, Villa Park, Wauconda, Waukegan, Westchester, Wheeling, Wilmette, Winnetka, Zion.