Murphy USA is an American corporation based in El Dorado, Arkansas that operates a chain of retail gas stations that are primarily located in proximity to Walmart stores.

[2][3] In the first quarter of 2016, Murphy USA announced a change in its relationship with Walmart, as they began opening their own in-house gas stations and convenience stores.

"[4] On December 14, 2020, Murphy USA announced that it has reached an agreement to purchase QuickChek convenience stores, based in Whitehouse Station, New Jersey, for $645 million.

As of February 21, 2024, Murphy USA operates 1,700 retail fueling stations in 27 US states and over 1,100 sites are located near Walmart stores.

Murphy Express sites are typically large-format facilities (1,200-3,400+ square feet) that offer a larger array of products and more fueling lanes than the original format.