Continental Casualty Company partners with Continental Insurance Company to conduct the primary insurance business of CNA Financial Corporation. The company operates as a wholly owned subsidiary within CNA. It is among the largest property and casualty insurers in the United States. CNA Financial and its subsidiaries provide insurance protection to more than 1 million businesses and professionals in the domestic and international markets. Its products are sold through a network of independent agents and brokers. Continental Casualty Company offers insurance solutions for a wide range of needs, including casualty, excess and surplus, international, management and professional liability, marine, property, surety and umbrella. The company serves the construction, health care, manufacturing, office, retail, service and technology industries. It also offers long-term care insurance products. Continental Casualty Company has operated for more than 100 years and is headquartered in Chicago. The company maintains a branch office in New York.