State Auto Financial Corporation, through its subsidiaries, writes personal and business lines of insurance to individuals and small-to-medium sized businesses. The company operates through four segments: Personal insurance, Business insurance, Specialty insurance, and Investment operations. The Personal insurance segment provides personal automobile and homeowners insurance products to the personal insurance market. The Business insurance segment offers commercial automobile, commercial multi-peril, fire and allied lines, and general liability insurance covering small-to-medium sized commercial exposures in the business insurance market. The Specialty insurance segment provides commercial coverages requiring specialized product underwriting, workers’ compensation, claims handling, or risk management services. The Investment operations segment offers investment portfolio management services. State Auto Financial Corporation markets its insurance products primarily through independent insurance agencies, which include retail agencies and wholesale brokers in 50 states and the District of Columbia. The company was founded in 1950 and is headquartered in Columbus, Ohio. State Auto Financial Corporation is a subsidiary of State Automobile Mutual Insurance Company.