Travelers Companies is a holding company. Through its subsidiaries, Co. is principally engaged in providing a range of commercial and personal property and casualty insurance products and services. Co. is organized into three reportable business segments: Business Insurance, which provides a range of property and casualty insurance products and services; Bond and Specialty Insurance, which provides surety, fidelity, management liability, professional liability, and other property and casualty coverages and related risk management services; and Personal Insurance, which writes a range of property and casualty insurance products and services covering individuals' personal risks.