Sentry Insurance Company is a mutual insurance company founded in 1904 and headquartered in Stevens Point, Wisconsin. It provides commercial property and casualty coverage, life insurance and annuities, alongside proactive risk management and safety resources for business customers. As a mutual insurer, it is owned by its policyholders rather than outside shareholders.
The company employs more than 6,000 associates across the United States, with over 2,000 based at the Stevens Point headquarters, and has operated for more than 120 years. Its commercial lines are tailored to businesses with unique needs, including specialised transportation safety programmes. Beyond underwriting, Sentry works as a partner to customers, offering risk management services, safety resources and industry expertise.
Geographically, the firm operates nationwide with a strong presence in the Midwest. Its stated culture emphasises relationship-focused, personalised attention to customers, a collaborative approach across teams, and long associate tenure. Philanthropy is handled through the Sentry Insurance Foundation, which supports education and community development.
