Arthur J. Gallagher & Co. and its subsidiaries are engaged in providing insurance brokerage and consulting services, and third-party claims settlement and administration services to both domestic and international entities. The Company operates through three segments: brokerage, risk management and corporate. The brokerage segment primarily consists of retail and wholesale insurance brokerage operations. Its retail brokerage operations negotiate and place property/casualty, employer-provided health and welfare insurance, and healthcare exchange and retirement solutions principally for middle-market commercial, industrial, public entity, religious and not-for-profit entities. The risk management segment provides contract claim settlement and administration services for enterprises that choose to self-insure some or all of their property/casualty coverages and for insurance companies that choose to outsource some or all of their property/casualty claims departments.