Auto-Owners Insurance is a Fortune 500 Company, and has been every year since 2002. The company was founded in 1916 by Vernon Moulton in Mount Pleasant, Michigan. Today, it is headquartered in Delta Township, Michigan and has over 65 full service and claims branches nationwide. Although the name suggests only auto insurance is provided, it actually provides many lines of insurance including property, liability, auto, garage, workers compensation, farm, and life. It has been rated by J.D.