![](/wikipedia/commons/thumb/7/72/Aon_Corporation_logo.svg/220px-Aon_Corporation_logo.svg.png)
Aon Corporation
Headquarters
London, United Kingdom
Founded
1982
Area Served
Worldwide
Key People
Gregory C. Case (President and CEO) Lester B. Knight (Chairman)
Founders
Patrick Ryan
Locations
Chicago, IL
Service Lines
Services
Human Resources Consulting Risk Management Insurance Brokerage Reinsurance Brokerage Outsourcing Inv
Aon Corporation is an American public multinational corporation headquartered in Chicago, Illinois, USA that provides risk management services, insurance and reinsurance brokerage, human capital and management consulting, and specialty insurance underwriting. Aon has approximately 500 offices worldwide, serving 120 countries with 59,000 employees.