O'Reilly Automotive, Inc.ORLY

O'Reilly Automotive provides retail and wholesale automotive aftermarket products, tools, and accessories across the U.S. and Mexico. Its inventory spans new and reconditioned hard parts—including alternators, batteries, brake systems, and engine components—alongside consumables like oil, filters, and lighting. The company serves DIY mechanics and professional repair facilities, offering value-added services like diagnostic testing, tool loans, and custom hydraulic hose fabrication. Founded in 1957.