O'Reilly Auto Parts is a renowned automotive aftermarket parts retailer based in the United States. The company was founded in 1957 by Charles F. O'Reilly and his son, C.

J. O'Reilly, in Springfield, Missouri. Today, it operates as a publicly traded company with its headquarters in Springfield.

O'Reilly Auto Parts offers a comprehensive range of automotive parts, tools, equipment, and accessories for both professional mechanics and do-it-yourself customers. Their extensive product inventory includes items such as batteries, brakes, engine parts, fluids, filters, lighting, wipers, and much more. They also provide various services like custom hydraulic hose assembly, machine shop services, and value-added services like tool loaner programs.

On a global scale, O'Reilly Auto Parts primarily operates within the United States, with over 5,600 stores in 47 states. The company has achieved significant growth over the years through strategic acquisitions, such as the purchase of CSK Auto Corporation in 2008. Additionally, O'Reilly Auto Parts has formed partnerships with key industry players, including manufacturers, suppliers, and professional service providers.

O'Reilly Auto Parts has established a strong market position and is considered one of the largest retailers of automotive aftermarket parts in the United States. With consistent growth, the company has been able to expand its customer base and increase its market share. It faces competition from other major players in the industry, such as AutoZone and Advance Auto Parts.

Noteworthy achievements for O'Reilly Auto Parts include being recognized as one of Fortune's 100 Best Companies to Work For and consistently receiving awards for outstanding customer service. The company has also continually invested in technology and supply chain enhancements to improve operational efficiency. As of the latest information available, O'Reilly Auto Parts remains a highly successful and reputable brand in the automotive aftermarket industry.

They continue to adapt to changing market dynamics while focusing on providing quality products, excellent customer service, and innovation in the automotive parts retail sector