Berkley
General Information
475 Steamboat Road
Greenwich, CT 06830
US
Listing Information
W. R. Berkley Corporation is an insurance holding company that is among the largest commercial lines writers in the United States and operates worldwide in two segments of the property casualty insurance business: Insurance and Reinsurance. Each of the Berkley companies, or operating units, within Berkley participates in a niche market requiring specialized knowledge about an industry, product or territory.
Source: 1Fortune 500, 2025; U.S. Census Bureau, PEP, 2024; AdvanceCT calculations. 2U.S. Census Bureau, ACS 1Y, 2023. 3WalletHub, 2024. 4WalletHub, 2025. 5U.S. Bureau of Economic Analysis, 2024; U.S. Census Bureau, 2024; AdvanceCT calculations.
