Headquarters: Chicago, IL
Leadership: Gregory C. Case, president and CEO

Present in more than 120 countries, Aon is a globally recognized name in insurance. Aon’s growth began in the early 1980s when Ryan Insurance Group merged with Combined International Corporation and was introduced as Aon in 1987. Companies under its name include Aon Affinity, which offers a specialized and customized insurance program and specialty market solutions for a wide range of affinity organizations. Crediting its success to its client-first mentality, Aon ensures a consistent client experience through five promises, a comprehensive training curriculum and a robust methodology.


Company Information

  • Aon
  • 200 East Randolph Street 14th Floor Chicago, Illinois 60601

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