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. The U.S. Operations segment underwrites primary and excess specialty casualty, and commercial multi-peril, as well as contract, product, environmental, and auto liability products; and general, auto, management, errors and omissions, and public entity liability, as well as workers compensation, and surety and inland marine risks. This segment distributes its products through a network of wholesale agents and brokers. Its International Operations segment offers coverage for long-tail casualty and general liability; property catastrophe reinsurance, and direct and facultative excess insurance; professional indemnity, directors and officer's liability, and medical malpractice; and North American and international binders, and residential collateral protection for lending institutions. This segment also underwrites risks of general liability, international casualty, and motor treaties; and personal accident, aviation, cargo, yachts, and onshore and offshore marine insurance. This segment distributes its products through brokers and third-party intermediaries. Argo Group International Holdings, Ltd. is headquartered in Pembroke, Bermuda.