W.R. Berkley Corp.

W.R. Berkley Corp. operates as an insurance holding company. It focuses on the property and casualty insurance business. The company operates its business through the following segments: Insurance-Domestic, Insurance-International and Reinsurance-Global. The Insurance-Domestic segment engages in commercial insurance business through its operating units, which include Acadia Insurance, Admiral Insurance, American Mining, Berkley Accident and Health, Berkley Asset Protection, Berkley Aviation, Berkley Custom Insurance, Berkley Design Professional, Berkley FinSecure, Berkley Life Sciences, Berkley Medical Excess, Berkley Mid-Atlantic Group, Berkley Net Underwriters, Berkley North Pacific Berkley Offshore Underwriting Managers Berkley Oil & Gas Berkley Professional Liability Berkley Program Specialists, Berkley Public Entity, Berkley Regional Specialty and Berkley Risk Administrators. The Insurance-International segment engages in insurance business through its operating units, which include W.R. Berkley Insurance, Berkley Latinoamerica, W.R. Berkley Syndicate and Berkley Canada. The Reinsurance-Global segment engages in reinsurance business and its operating units include Berkley Re America, Berkley Re Asia Pacific, Berkley Re UK, Facultative ReSources, Lloyd's Reinsurance and Berkley Re Direct. R. Berkley was founded by William R. Berkley in 1967 and is headquartered in Greenwich, CT.