Greenwich, CT - Insurance holding company W. R. Berkley Corporation (WRB) is a major player in the commercial lines market both in the United States and internationally. The company operates in two segments: Insurance and Reinsurance & Monoline Excess. Under its Insurance segment, WRB underwrites and provides commercial insurance coverage for a range of business operations, including premises, commercial automobiles, products liability, and professional liability lines. Additionally, the company offers specialized insurance for fine arts, jewelry exposures, and casualty and specialty environmental products for property owners and facilities operators. Its Reinsurance & Monoline Excess segment provides other insurance companies and self-insureds with assistance in managing their net risk through treaty or facultative reinsurance. Since its founding in 1967, WRB has been a leader in the insurance industry and continues to expand its product offerings and services.