O'Reilly AutomotiveIRS: 274358837
O'Reilly is one of the largest sellers of aftermarket automotive parts, tools, and accessories, serving professional and DIY customers (41% and 59% of 2020 sales, respectively). The company sells branded as well as own-label products, withthe latter category comprising nearly half of sales. O'Reilly had 5,616 stores as of the end of 2020, spread across 47 U.S. states and including 22 stores in Mexico. The firm serves professional and DIY customers through its store network,and also boasts approximately 765 sales personnel targeting commercial buyers.