O'Reilly Auto Parts is a United States-based auto parts retailer that makes its name by providing automotive aftermarket parts, supplies, equipment, tools and accessories to the public. They serve both professional automotive service providers as well as amateur customers who prefer to do it themselves. O'Reilly Auto Parts currently operates over 4,7000 retail stores in 45 states. Founded in 1957 by the O'Reilly family as O'Reilly Automotive, Inc., their business began as one store in Springfield, Missouri, and after acquiring many smaller auto parts retailers over the years, they have since grown to be a major player in the auto parts industry.
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