Magnum insurance has been providing better service at better prices in Chicago and the Chicagoland area since 1981. Today, Ma ... gnum employs certified independent insurance agents throughout Illinois and Indiana. In an effort to better serve our customers 24/7, Magnum offers a variety of convenient options to connect you with customer service and local agents. Whether you prefer to call, stop by a store, or manage everything online, we’re always around to help you in your insurance journey. read more