About Murphy USA Murphy USA (NYSE: MUSA) is a leading retailer of gasoline and convenience merchandise with more than 1,750 stores located primarily in the Southwest, Southeast, Midwest and Northeast United States. The Company and its team of approximately 17,200 employees serve an estimated two million customers each day through its network of retail gasoline and convenience stores in 27 states. The majority of Murphy USA's stores are located in close proximity to Walmart Supercenters, but we also operate ...