Devon Energy

WPX Energy is an independent oil and natural gas exploration and production company based in Tulsa, Oklahoma. Founded in 1983, it focuses on the development and exploitation of unconventional resources, primarily from tight-sands and shale formations as well as coalbed methane reserves. WPX Energy operates a significant number of wells, including 688 in the Delaware Basin across Texas and New Mexico, and 404 in the Williston Basin in North Dakota. The company has interests in an additional 787 wells in the Delaware Basin and 104 in the Williston Basin, covering a total of approximately 209,000 net acres. As of the end of 2019, WPX Energy reported proved reserves amounting to 528 million barrels of oil equivalent, underscoring its role in the energy sector.

FELIX ENERGY, LLC operates as an oil and gas exploration and production company in the United States. FELIX ENERGY, LLC was incorporated in 2013 and is based in Denver, Colorado. As of March 6, 2020, Felix Energy, LLC operates as a subsidiary of WPX Energy, Inc.

Chief Oil & Gas LLC is a privately held, independent oil & gas exploration and production company that has been drilling and producing.

Ocean Energy, Inc. is an independent energy company engaged in the exploration, development, production, and acquisition of crude oil and natural gas. North American operations are focused in the shelf and deepwater areas of the Gulf of Mexico, the Rocky Mountains, Permian Basin, Anadarko, East Texas, North Louisiana and Gulf Coast regions. Internationally, Ocean holds a leading position among U.S. independents in West Africa with oil and gas activities in Equatorial Guinea, Angola, Nigeria and Cote d'Ivoire. The company also conducts operations in Egypt, the Russian Republic of Tatarstan, Brazil, and Indonesia.

Mitchell Energy & Development is operates natural gas processing plants and gathering systems in Texas.

Anderson Exploration is explores for and produces oil and gas. Canadian natural-gas producer Anderson Exploration.

Santa Fe Snyder Corporation was an independent oil & gas exploration and production company.

PennEnergy Resources is an independent oil and gas company that specializes in the acquisition and development of unconventional shale resources. Operating primarily in the Appalachian Basin, particularly in the Marcellus region, the company aims to create value for investors, stakeholders, employees, and landowners. It emphasizes the safe and environmentally responsible development of these resources, reflecting a commitment to sustainable practices in the energy sector.

Northstar Energy Corporation offers oil and gas exploration and production services.

Kerr-McGee Corporation offers oil and natural gas exploration and production services in the United States. The company acquires leases and concessions, as well as explores, develops, produces, and markets crude oil and natural gas. It explores for oil and gas in onshore in the United States, the U.S. Gulf of Mexico, and offshore China. It also explores in proven hydrocarbon basins worldwide, including the North Slope of Alaska and offshore Angola, Bahamas, Benin, Brazil, Morocco, and Trinidad and Tobago. Kerr-McGee Corporation was formerly known as Kerr-McGee Oil Industries, Inc. and changed its name to Kerr-McGee Corporation in 1965. The company was founded in 1929 and is based in The Woodlands, Texas. As of August 10, 2006, Kerr-McGee Corporation operates as a subsidiary of Anadarko Petroleum Corporation.

Hondo Oil & Gas Co is the most of the domestic oil and gas.