Century Surety Company, also known as Century Insurance Group, is a specialty lines insurance underwriting company. It underwrites general liability, commercial property and multiperil insurance for small- and medium-sized businesses. The company underwrites excess and surplus line insurance. It markets its products through a wide network of independent agents and brokers. It offers a full range of insurance products, including property, casualty, garage, ocean marine and alternative risk transfer insurance policies. Its property division also underwrites inland marine coverage. It provides casualty insurance coverage for restaurants, apartments, condominiums, convenience stores, day care centers and warehouses. Century Surety Company, a part of ProCentury Corporation, has offices in Westerville, Ohio, and Phoenix.

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