Arthur J. Gallagher & Co. (AJG) is a worldwide provider of insurance and reinsurance brokerage, consulting, and third-party property/casualty claims settlement and administration services to various businesses and organizations. With operations in Brokerage and Risk Management segments, AJG's brokerage services include retail and wholesale insurance and reinsurance brokerage, specialized and hard-to-place insurance placement, and managing general agency services. The Risk Management segment provides claims settlement and administration services, loss control consulting, and insurance property appraisal services. AJG serves a diverse range of clients, including commercial, industrial, public, religious, and not-for-profit entities, as well as underwriting enterprises, through its network of correspondent brokers and consultants. AJG was founded in 1927 and is headquartered in Rolling Meadows, Illinois.