| HCC Insurance Holdings, Inc. (HCC) is a specialty insurer with offices in the United States, the United Kingdom, Spain and Ireland. The Company underwrites a variety of relatively non-correlated specialty insurance products, including property and casualty, accident and health, surety, credit and aviation product lines, in approximately 180 countries. HCC markets its products through a network of independent agents and brokers, producers, managing general agents and directly to consumers. Its businesses are managed through five underwriting segments and HCC's Investing segment. Its underwriting segments are U.S. Property & Casualty, Professional Liability, Accident & Health, U.S. Surety & Credit and International. In January 2012, the Company merged its wholly owned subsidiaries Pioneer General Insurance Company with and into American Contractors Indemnity Company. |