Murphy USA Inc is an American retailer of gasoline products and convenience-store merchandise operating in the United States. The stores are 100% company-operated and 90% company-owned; most are adjacent to Walmart stores. The business also contains product supply and wholesale assets, such as product distribution terminals and pipelines. Murphy is positioned in the market as a low-price, high-volume fuel retailer selling through low-cost kiosks and small stores. The stores adjacent to Walmart offer a discount program. The amount of the discount offered can vary based on many factors, including state laws.