The Hanover Insurance Group, Inc. is a holding company. The Company is engaged in providing property and casualty insurance products and services. The Company has three segments: Commercial Lines, Personal Lines, and Other. The Commercial Lines coverages include commercial multiple peril, commercial automobile coverage, workers' compensation coverage and other commercial lines. The Company's Personal Lines coverages include personal automobile coverage and homeowner’s coverage. The personal automobile coverage insures individuals against losses incurred from personal bodily injury, bodily injury to third parties, property damage to an insured's vehicle, and property damage to other vehicles and other property. The homeowner’s coverage insures individuals for losses to their residences and personal property. The Other segment consists of Opus Investment Management, Inc. (Opus), which provides investment advisory services to affiliates.