Arthur J. Gallagher & Co. engages in the provision of insurance brokerage, consulting, and third party claims settlement and administration services to both domestic and international entities. It operates through the following segments: Brokerage, Risk Management, and Corporate. The Brokerage segment offers brokerage and consulting services to commercial, not-for-profit and public entities, and individuals in the areas of insurance placement, risk of loss management, and management of employer sponsored benefit programs. The Risk Management segment includes contract claim settlement, claim administration, loss control services and risk management consulting for commercial, not-for-profit, captive and public entities, and various other organizations that choose to self-insure property and casualty coverage or choose to use a third-party claims management organization rather than the claim services provided by an underwriting enterprise. The Corporate segment includes the financial information related to 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 Rolling Meadows, IL.