O�Reilly Automotive, Inc. (O�Reilly) is a specialty retailer of automotive aftermarket parts, tools, supplies, equipment and accessories in the United States, selling its products to both do-it-yourself (DIY) customers and professional service providers. As of December 31, 2011, O�Reilly operated 3,740 stores in 39 states. The Company�s stores product line includes products, such as new and remanufactured automotive hard parts, such as alternators, starters, fuel pumps, water pumps, brake system components, batteries, belts, hoses, temperature control, chassis parts and engine parts; maintenance items, such as oil, antifreeze, fluids, filters, wiper blades, lighting, engine additives and appearance products, and accessories, such as floor mats, seat covers and truck accessories. Its stores offer a number of services and programs to its customers, such as used oil and battery recycling; battery diagnostic testing; professional paint shop mixing and related materials, and machine shops.