The Hanover Insurance Group, Inc., through its subsidiaries, underwrites personal and commercial property and casualty insurance coverage in the United States. It operates in three segments: Personal Lines, Commercial Lines, and Other Property and Casualty. The Personal Lines segment offers coverage for personal automobile, homeowners, and other personal lines, including inland marine, umbrella, fire, personal watercraft, and earthquake. The Commercial Lines segment provides coverages for multiple peril, commercial automobile, workers’ compensation, and other commercial coverages, such as bonds and inland marine business. The Other Property and Casualty segment provides investment advisory services; and markets investment management services to institutions, pension funds, and other organizations. The Hanover Insurance Group sells its products through agents. The company was founded in 1844 and is headquartered in Worcester, Massachusetts.