Murphy Exploration & Production Company, (Murphy EXPRO) is engaged worldwide in crude oil and natural gas exploration and production. Murphy EXPRO is headquartered in Houston, Texas. Regional offices are located in: Calgary, Alberta; Kuala Lumpur, Malaysia; Pointe-Noire, Republic of the Congo; Jakarta, Indonesia; Singapore; Perth, Australia; and Erbil, Kurdistan Region of Iraq.

Murphy Oil USA, Inc., (MOUSA) is engaged in marketing and transportation of petroleum products in the United States. It is headquartered in El Dorado at Murphy's corporate offices. 

A division of MOUSA, Murphy USA Marketing Co. operates retail gasoline stations under the Murphy USA® brand across 23 states in the U.S. These are high-volume, low-cost retail gasoline stations, primarily in the parking areas of Wal-Mart Supercenters. The first Murphy USA station was opened in December 1996.

MOUSA also operates a network of 7 Company-owned terminals. These terminals, along with numerous third-party terminals, provide fuel supply to our retail network and wholesale customers throughout 23 states.