State Automobile Mutual Insurance, informally known as State Auto Group, hosts a non-stop pool party. Through a constellation of subsidiaries, the company provides both personal and commercial property/casualty insurance in the US. It owns 62.5% of publicly traded State Auto Financial, which, in turn, holds a fistful of insurance subsidiaries. Collectively, the companies sell their products through approximately 3,400 independent agencies in 33 states. All are part of a pooling arrangement in which State Auto Group assumes the premiums, losses, and expenses from each and returns a portion to participants based on prearranged percentages. State Auto Group keeps the balance of the pooled business.


State Auto Group's Rockhill Holding unit writes specialty surplus and excess insurance for the small and midsized commercial markets in most US states. Rockhill also provides workers' compensation products and claims administration services.

The group's other subsidiaries include SA Wisconsin, Meridian Security, Patrons Mutual, and the Rockhill Insurers, each of which provides property/casualty coverage.

Geographic Reach

Headquartered in Columbus, Ohio, State Auto Group has regional headquarters in Nashville, Tennessee; Austin, Texas; and Baltimore.

The Rockhill subsidiaries write business on a non-admitted basis in 49 states and Washington, DC, and are licensed on an admitted basis in 42 states and Washington, DC.

Sales and Marketing

The company sells its products through more than 23,000 independent agents, including retail agents and wholesale brokers.

Financial Performance

State Auto Group's assets are in excess of $3.8 billion, with 2013 direct written premiums of $2 billion.

Company Background

State Auto Mutual Insurance Company was founded in 1921 and has grown from a small regional player to a superregional presence through a steady stream of acquisitions.

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Company News and Press Releases

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518 E Broad St
Columbus, OH 43215-3901
Phone: 1 (614) 464-5000


  • Employer Type: Holding Company
  • President and CEO: Michael E. LaRocco
  • Chairman: Robert P. Restrepo
  • SVP and Director of Operations: Lyle D. Rhodebeck

Major Office Locations

  • Columbus, OH

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