El Dorado, Arkansas - Murphy USA Inc., a leading marketer of retail motor fuel and convenience merchandise, operates retail stores under the Murphy USA, Murphy Express, and QuickChek brands. The company primarily runs retail gasoline stores in the Southeast, Southwest, and Midwest regions of the United States. Since its establishment in 1996, Murphy USA Inc. has been at the forefront of the industry, continuing to expand its reach and services. Its headquarters are located in El Dorado, Arkansas.