BBERKLEY W R CORP
W. R. Berkley Corporation is a property-casualty insurance holding company and one of the largest commercial lines underwriters in the United States. It operates through two segments — Insurance and Reinsurance & Monoline Excess — writing excess and surplus lines, admitted lines, and specialty personal lines across the U.S. as well as in markets spanning Asia, Australia, Europe, Canada, and South America. Its reinsurance segment provides both facultative and treaty reinsurance in the U.S. and internationally. The company runs a decentralized model in which individual business units operate close to their customer base in specialized niche markets, supported by centralized capital, investment, and risk management functions.