Hanover Insurance is a holding company for property and casualty insurance companies. It operates through three segments: Commercial Lines, Personal Lines, and Other. The Commercial Lines segment offers commercial multiple peril, commercial automobile, workers' compensation, umbrella, healthcare, monoline general liability, and miscellaneous commercial property insurance products. The Personal Lines segment provides personal automobile and homeowner's coverages, as well as other personal coverages, such as personal inland marine, umbrella, fire, personal watercraft, earthquake, and other miscellaneous coverages. The Other segment offers investment management and advisory services to institutions, pension funds, and other organizations.