Sentry Insurance Group is a mutual insurance company that provides a wide range of insurance products and services to businesses and individuals. The company's products include property and casualty insurance, life insurance, and annuities, as well as risk management and loss control services. Sentry Insurance Group operates through several subsidiaries, including Sentry Insurance a Mutual Company, Sentry Life Insurance Company, and Dairyland Insurance Company. The company was founded in 1904 and is headquartered in Stevens Point, Wisconsin.