AIR vs AD Comparison

AAR Corp is engaged in providing products and services to aviation, government and defense market. It operates in segments namely: The parts supply segment majorly consists of sales and leasing of USM and aftermarket distribution of new, OEM-supplied replacement parts; Repair & Engineering segment provides airframe maintenance, component repair, and landing gear overhaul services; Integrated Solutions segment consists of its fleet management and operations of customer-owned aircraft, customized performance-based supply chain logistics programs in support of the U.S. Department of Defense, flight hour component inventory; and The Expeditionary Services segment consists of products and services supporting the movement of equipment and personnel by the U.S. and foreign governments and NGOs.

Array Digital Infrastructure, formerly US Cellular, sold its regional wireless operations serving about 4.4 million customers to T-Mobile in August 2025. The firm has agreed to sell most of its remaining spectrum licenses to Verizon and AT&T; however, it will still retain rights to C-band spectrum in several locations after these deals are closed. Array also owns a 5.5% stake in Verizon Wireless' Los Angeles operations and about 4,400 wireless towers.