AAR Corp. is a leading provider of products and services to the commercial aviation, government, and defense markets across North America, Europe, Africa, Asia, and other international regions. The company operates through four key segments: Parts Supply, which involves leasing and selling aircraft components and aftermarket replacement parts; Repair & Engineering, offering airframe maintenance, component repair, and landing gear overhaul services; Integrated Solutions, encompassing fleet management, operations of customer-owned aircraft, and customized supply chain logistics programs; and Expeditionary Services, focused on designing, manufacturing, and repairing transportation pallets, containers, and shelters for military and humanitarian deployments. AAR Corp. supports a diverse customer base including passenger and cargo airlines, OEMs, aircraft leasing companies, the U.S. Department of Defense, foreign militaries, and non-governmental organizations. Founded in 1951 and headquartered in Wood Dale, Illinois, AAR Corp. plays a vital role in the aviation aftermarket by delivering maintenance, repair, and overhaul (MRO) services, inventory management, and engineering solutions essential for global aircraft operations and defense logistics.