Argo Group International Holdings Inc is a property and casualty insurance company. The company has three reportable segments: Casualty Lines, which includes Argo Construction, Argo Environmental, Argo Casualty, Rockwood, Bermuda Casualty,and Bermuda Insurance and Europe; Specialty Lines, which includes Specialty Programs and Fronting, Colony Specialty Garage, Argo Inland Marine, and Bermuda Property; Run-off Lines, which include Liability and surety policies. The company generates the majority of its revenue from the Casualty lines segment. Geographically, the company generates the majority of its revenue from the United States.