The Hartford is perceived as one of Sentry's biggest rivals. The Hartford was founded in 1810, and its headquarters is in Hartford, Connecticut. Like Sentry, The Hartford also works within the Insurance Brokers field. The Hartford has 13,100 more employees than Sentry.
Liberty Mutual Insurance is one of Sentry's top rivals. Liberty Mutual Insurance is a Private company that was founded in 1912 in Boston, Massachusetts. Like Sentry, Liberty Mutual Insurance also competes in the Life & Health Insurance sector. Compared to Sentry, Liberty Mutual Insurance has 35,000 more employees.