Ridewell Corp, 3715 E Farm Road 94, Springfield, MO 65803, US

In 1957, O'Reilly Automotive started its auto parts business in Springfield, Miss. The company offers more than 100,000 different performance and accessory parts. It also offers a line of tools and equipment for the customers and professional installers. The sponsors racing in the Midwest and Southeast include grass roots racing, national events, NHRA and NASCAR. O'Reilly Automotive has a location in Springfield, Mo., as well as stores throughout Texas, Oklahoma, Louisiana, Kansas, Nebraska, Iowa, Missouri, Arkansas, Mississippi, Alabama, Georgia, South Carolina, Florida, North Carolina, Tennessee, Kentucky, Indiana, Illinois and Virginia. The company is publicly traded on the NASDAQ Stock Exchange under the symbol ORLY.