Mercury General Corporation is an insurance holding company. As of December 31, 2016, the Company and its subsidiaries were engaged in writing personal automobile insurance through 14 insurance subsidiaries in 11 states, principally California. Its segments include Property and Casualty Lines, and Other Lines. Its Property and Casualty segment offers various insurance products to its individual customers and small business customers. Its Other segment offers automobile mechanical breakdown warranties, which are sold through automobile dealerships and credit unions. It also writes homeowners, commercial automobile, commercial property, mechanical breakdown and umbrella insurance. Its insurance policies are sold through independent agents. As of December 31, 2016, it sold its policies through approximately 9,700 independent agents, its owned insurance agencies, Auto Insurance Specialists LLC and PoliSeek AIS Insurance Solutions, Inc., and directly through Internet sales portals.