James River Group Holdings, Ltd., through its subsidiaries, provides specialty insurance and reinsurance services in the United States. Its Excess and Surplus Lines segment underwrites liability and property insurance on an excess and surplus commercial lines basis in all states and the District of Columbia. This segment distributes its insurance policies primarily through wholesale insurance brokers. The company's Specialty Admitted Insurance segment provides workers' compensation coverage for building trades, healthcare employees, goods and services, light manufacturing, specialty transportation, agriculture, and fronting and program business in North Carolina, Tennessee, Virginia, South Carolina, Georgia, New Jersey, Missouri, Kansas, Pennsylvania, Massachusetts, Rhode Island, Alabama, Connecticut, and Mississippi. Its Casualty Reinsurance segment offers proportional and working layer casualty reinsurance to third parties and unaffiliated insurance companies. James River Group Holdi