AN vs AIR Comparison

AutoNation is the second-largest automotive dealer in the United States, with 2025 revenue of $27.6 billion and over 245 dealerships, plus 52 collision centers. The firm also has 24 AutoNation USA used-vehicle stores, a captive lender, four auction sites, and three parts distributors across 20 states primarily in Sunbelt metropolitan areas. New-vehicle sales account for nearly half of revenue; the company also sells used vehicles, parts, and repair services as well as auto financing. The company (formerly Republic Industries) divested its waste management unit (Republic Services) in 1999 and its car rental businesses (ANC Rental) in 2000. Wayne Huizenga founded the company in the 1990s to bring the rollup acquisition strategy to auto retailing, which proved to be a smart move.

AAR Corp offers a broad line of products and services to commercial and government aerospace customers and operates internationally. It is a diversified provider of services and products to the commercial aviation and government and defense markets, serving aircraft fleet operators, original equipment manufacturers, independent service providers, and domestic and foreign military customers. It operates through the Parts Supply, Repair, Engineering and Software, Government Solutions, and Legacy Commercial Programs segments. The Parts Supply segment mainly consists of new parts distribution and sales of used serviceable material, including aircraft, engine, and airframe parts and components (USM), and generates the maximum revenue. It generates the maximum revenue from North America.