Arthur J. Gallagher & Co. engages in the provision of insurance brokerage and risk management services to a wide variety of commercial, industrial, institutional and governmental organizations. It operates through the following business segments: Brokerage, Risk Management, and Corporate. The Brokerage segment is primarily comprised of retail and wholesale insurance brokerage operations. The Risk Management segment provides contract claim settlement and administration services for enterprises that choose to self-insure some or all of their property or casualty coverage's and for insurance companies that choose to outsource some or all of their property or casualty claims departments. The Corporate segment includes the financial information related to its debt, clean energy investments, external acquisition-related expenses and other corporate costs. The company was founded by Arthur J. Gallagher on October 1, 1927 and is headquartered in Itasca, IL.