CNA’s insurance products include standard commercial lines, specialty lines, surety, marine and other property and casualty coverages. CNA also provides customers risk management, information, underwriting, risk control and claims administration services.

CNA, a financial holding company, conducts its property and casualty insurance operations primarily through Continental Casualty Company (CCC), which was incorporated in 1897.

CNA's core business, commercial property and casualty insurance operations, is reported in two business segments: CNA Specialty and CNA Commercial. CNA Specialty provides professional, financial, and specialty property and casualty products and services, both domestically and abroad through a network of brokers, managing general underwriters and independent agencies. CNA Commercial works with an independent agency distribution system and network of brokers to market a broad range of property and casualty insurance products and services primarily to small and middle-market businesses and organizations domestically.