O'Reilly Automotive, Inc. is a specialty retailer of automotive aftermarket parts, tools, supplies, equipment and accessories in the United States. The Company offers its products to both do-it-yourself (DIY) and professional service provider customers. Its stores' product line includes new and remanufactured automotive hard parts, such as alternators, starters, fuel pumps, water pumps, brake system components, batteries, belts, hoses, temperature control and engine parts; maintenance items, such as filters, lighting, engine additives and appearance products, and accessories, such as floor mats, seat covers and truck accessories. It offers various services and programs to its customers, such as used oil, oil filter and battery recycling; battery diagnostic testing; loaner tool program; custom hydraulic hoses; professional paint shop mixing and related materials, and machine shops. Its brands include BestTest, BrakeBest, Precision, Import Direct, Master Pro, Micro-Gard and Murray.