Serving DuPage Communities of Addison, Aurora, Bartlett, Batavia, Bloomingdale, Bolingbrook, Burr Ridge, Carol Stream, Chicago, Clarendon Hills, Darien, Downers Grove, Elk Grove Village, Elmhurst, Glen Ellyn, Glendale Heights, Hanover Park, Hinsdale, Itasca, Lemont, Lisle, Lombard, Medinah, Naperville, Oak Brook, Oakbrook Terrace, Roselle, Schaumburg, St.Charles, Villa Park, Warrenville, Wayne, West Chicago, Westmont, Wheaton, Willowbrook, Winfield, Wood Dale, Woodridge