Navigators Group, Inc. is a holding company. The Company is an international insurance company focused on products within the overall property and casualty insurance market. The Company classifies its business into one Corporate segment (Corporate) and two underwriting segments, the Insurance Companies segment (Insurance Companies) and the Lloyd’s Operations segment (Lloyd’s Operations), which are separately managed by business line divisions. Insurance Companies are primarily engaged in underwriting Marine insurance, Primary Casualty insurance, Excess Casualty insurance, Assumed Reinsurance, Management Liability insurance and Errors & Omissions (E&O) insurance. Lloyd’s Operations are primarily engaged in underwriting Marine insurance; Energy & Engineering insurance, Assumed Reinsurance, Management Liability insurance and E&O insurance at Lloyd’s of London through Lloyd’s Syndicate 1221.