State Auto Financial Corporation, through its subsidiaries, engages in writing personal, business, and specialty insurance products. It operates through four segments: Personal insurance, Business insurance, Specialty insurance, and Investment operations. The Personal insurance segment primarily 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, including workers’ compensation that require specialized product underwriting, claims handling, and/or risk management services. The Investment operations segment offers investment management services to affiliated insurance companies. The company markets its insurance products primarily through independent agencies, which include retail agencies and wholesale brokers in the United States. State Auto Financial Corporation was founded in 1950 and is headquartered in Columbus, Ohio. State Auto Financial Corporation is a subsidiary of State Automobile Mutual Insurance Company.