O'Reilly Auto Parts is an automotive aftermarket retailer and distributor founded in 1957 from a single store in Springfield, Missouri. Today, the company operates more than 6,500 locations across the United States, Mexico, and Canada, employing over 93,000 team members. It has recorded 33 consecutive years of comparable store sales growth.
The company serves two distinct customer segments: professional mechanics and installers ("do-it-for-me") and individual vehicle owners handling their own repairs ("do-it-yourself"). Its product range centres on automotive replacement parts, tools, and accessories, distributed through a network designed to keep parts consistently available across its store footprint. Staff, referred to internally as "Professional Parts People," are positioned as a core part of the service offer, providing in-store expert guidance alongside parts supply.
O'Reilly's stated mission is to be the dominant auto parts supplier in each community it serves by offering a combination of competitive pricing, product quality, and customer service. The company's stated values include hard work, teamwork, honesty, and dedication - characteristics it emphasises in both its hiring and its day-to-day operations.