Need Insurance? Your auto, home, life, health and business insurance needs will be priority at ISU-Great Northern Insurance Agency. Our staff of seasoned professionals are ready to assist you. As a local independent insurance agent, we work with mostly A rated carriers to ensure you are getting adequate coverage for the best price. Some of our carriers include Liberty Mutual, Grange, Progressive, ASI, State Auto, Great Lakes Mutual, EMC, Amtrust, Travelers, Foremost, The Hartford, JM Wilson, Special Risk, Zurich, Blue Cross Blue Shield of Michigan, Priority Health and HAP. We value our clients and take pride in our reputation of being a referral based agency. The greatest compliment is to recommend us to your family and friends. Our Dedication Ensures your Satisfaction..