The Hanover Insurance Group, Inc., through its subsidiaries, provides various property and casualty insurance products and services in the United States and internationally. It operates through four segments: Commercial Lines, Personal Lines, Chaucer, and Other. The Commercial Lines segment offers commercial multiple peril, commercial automobile, workers’ compensation, specialty program business, inland marine, management and professional liability, and surety, as well as umbrella, monoline general liability, specialty property, and miscellaneous commercial property insurance products. The Personal Lines segment provides personal automobile and homeowners coverages, as well as other personal coverages, including personal inland marine, umbrella, fire, personal watercraft, earthquake, and other miscellaneous coverages. The Chaucer segment offers marine and aviation, energy, property, motor, and international liability, specialist coverages, and syndicate participations. The Other segment markets investment management and advisory services to institutions, pension funds, and other organizations. The company markets its products and services through a network of independent agents and brokers. The Hanover Insurance Group, Inc. was founded in 1852 and is headquartered in Worcester, Massachusetts.