Based in Houston, Murphy Exploration & Production Company is a crude oil and natural gas exploration and production company that offers services through its subsidiaries, including Murphy EXPRO-International and EXPRO-USA. The company also has an office in Kuala Lumpur to oversee its exploration and production activities in Malaysia. It is a part of Murphy Oil Corporation, an oil and gas exploration and production company with headquarters in El Dorado, Ark., and refining and marketing operations in the United States and United Kingdom. The company s refining and marketing operations are conducted through wholly owned subsidiaries, including Murphy Oil USA and Murco Petroleum.