Argo Group International Holdings, Ltd. underwrites specialty insurance and reinsurance products in the property and casualty markets. The company operates in two segments, U.S. Operations and International Operations. It offers primary and excess specialty casualty, contract liability, commercial multi-peril, product liability, environmental liability, and auto liability insurance products; workers compensation, general liability, auto liability, and various public entity liability risks; management liability, and errors and omissions liability; and surety and inland marine insurance products. The company also provides long-tail excess casualty and general liability; general liability, international casualty, and motor treaties; professional indemnity, directors and officer's liability, and medical malpractice; direct and facultative excess insurance, North American and international binders, and residential collateral protection for lending institutions; and personal accident, aviation, cargo, yachts, and onshore and offshore marine insurance products. In addition, it offers property catastrophe reinsurance and excess property direct and facultative insurance products. The company markets its products through wholesale and retail agents, managing general agents, brokers, and third-party intermediaries. Argo Group International Holdings, Ltd. was founded in 1948 and is headquartered in Pembroke, Bermuda.