Aon Corporation provides risk management services, insurance and reinsurance brokerage, and human resource consulting and outsourcing services primarily in the United States, the Americas, the United Kingdom, Europe, the Middle East, Africa, and the Asia Pacific. The company’s Risk Solutions segment offers retail brokerage products and services, including affinity products, general underwriting management services, placement services, and captive management services; and advisory services to technology, financial services, agribusiness, aviation, construction, health care, and energy industries, as well as facilitates various risk management solutions for property liability, general liability, professional liability, directors' and officers' liability, workers' compensation, and various healthcare products. This segment also provides risk consulting services comprising captive management; eSolutions products that enable clients to manage risks, policies, claims, and safety concerns through an integrated technology platform; reinsurance brokerage services, such as actuarial, enterprise risk management, catastrophe management, and rating agency advisory services; property and casualty reinsurance; and specialty lines, which include professional liability, medical malpractice, accident, life, and health, as well as capital management transaction and advisory services. Its HR Solutions segment offers human capital services in the areas of health and benefits, retirement, compensation, and strategic human capital; and benefits administration and human resource business process outsourcing services. The company was founded in 1919 and is headquartered in Chicago, Illinois.