Who We Are NICAR is accredited by the National Association of REALTORS to serve the commercial property practitioners in 13 counties of Northern Illinois, including Cook, Dupage, Kane, Ogle, DeKalb, Kendall, Lake, McHenry, Kankakee, Grundy, Will, Boone and Winnebago. Our Mission Statement To provide support to increase economic opportunities through “best practices”: and limiting liabilities, educational opportunities and facilitate communication and the political agendas to insure support that best serves the membership and association. To promote professionalism and ethical standards in real estate management.