OneBeacon Insurance Group, Ltd. (OneBeacon), through its subsidiaries, is a specialty property and casualty insurance writer that offers a range of insurance products through independent agencies, regional and national brokers, wholesalers and managing general agencies. The Company's products relate to professional liability, marine, entertainment, sports and leisure, excess property, environmental, group accident, crop, programs, public entities, technology, surety, and tuition refund. The Company operates in two segments: Specialty Products, Specialty Industries, and Investing, Financing and Corporate. In February 2012, the Company sold its AutoOne Insurance business (AutoOne) to Interboro Holdings, Inc. (Interboro). In January 2013, the Company sold Essentia Insurance Company to Markel Corp.