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At Noonan, Perillo, Polenzani & Marks, Ltd., based in Lake County, Illinois, we serve clients in northern Chicagoland and throughout the state of Illinois. Communities we serve include Waukegan, Libertyville, Gurnee, Chicago, North Chicago, Mundelein, Deerfield, Crystal Lake, Lake Forest, Lake Zurich, Lindenhurst, Grayslake, Antioch, Beach Park, Highland Park, Barrington, McHenry, Woodstock, Vernon Hills and Buffalo Grove; and other locations in Lake County, McHenry County, Cook County and DuPage County. We also serve military personnel at Naval Station Great Lakes.