Devon Energy Corporation, an independent energy company, engages in the exploration, development, and production of oil, natural gas, and natural gas liquids in the United States. It operates in Delaware, Eagle Ford, Anadarko, Williston, and Powder River Basins. The company was founded in 1971 and is headquartered in Oklahoma City, Oklahoma.

Coterra Energy Inc., an independent oil and gas company, engages in the development, exploration, and production of oil, natural gas, and natural gas liquids in the United States. The company's properties include the Marcellus Shale with approximately 186,000 net acres in the dry gas window of the play located in Susquehanna County, Pennsylvania; Permian Basin properties with approximately 296,000 net acres located in west Texas and southeast New Mexico; and Anadarko Basin properties with approximately 182,000 net acres located in Oklahoma. It also operates natural gas and saltwater gathering and disposal systems in Texas. The company sells its natural gas to industrial customers, local distribution companies, oil and gas marketers, major energy companies, pipeline companies, and power generation facilities. Coterra Energy Inc. was incorporated in 1989 and is headquartered in Houston, Texas.

Matador Resources Company, an independent energy company, engages in the exploration, development, production, and acquisition of oil and natural gas resources in the United States. It operates through two segments, Exploration and Production; and Midstream. The company primarily holds interests in the Wolfcamp and Bone Spring plays in the Delaware Basin in Southeast New Mexico and West Texas. It also operates the Eagle Ford shale play in South Texas; and the Haynesville shale and Cotton Valley plays in Northwest Louisiana. In addition, the company conducts midstream operations in support of its exploration, development, and production operations. Further, it provides natural gas processing and oil transportation services; and oil, natural gas, and produced water gathering services, as well as produced water disposal services to third parties. The company sells natural gas to unaffiliated independent marketing companies and unaffiliated midstream companies. The company was formerly known as Matador Holdco, Inc. and changed its name to Matador Resources Company in August 2011. Matador Resources Company was founded in 2003 and is headquartered in Dallas, Texas.

Baytex Energy Corp., an energy company, engages in the acquisition, development, and production of crude oil and natural gas in the Western Canadian Sedimentary Basin and in the Eagle Ford, the United States. The company offers light oil and condensate, heavy oil, natural gas liquids, and natural gas. It also holds interest in the Eagle Ford property in Texas; Viking and Lloydminster properties in Alberta and Saskatchewan; and Peace River and Duvernay properties in Alberta. Baytex Energy Corp. was incorporated in 1993 and is headquartered in Calgary, Canada.

HighPeak Energy, Inc., an independent oil and natural gas company, engages in the exploration, development, and production of crude oil, natural gas, and natural gas liquids reserves in the Permian Basin in West Texas and Eastern New Mexico. The company was incorporated in 2019 and is headquartered in Fort Worth, Texas.

U.S. Energy Corp., an independent energy company, focuses on the acquisition, exploration, and development of oil and natural gas properties in the United States. It holds interests in various oil and gas properties located in the Rockies region, including Montana, Wyoming, and North Dakota; the Mid-Continent region comprising Oklahoma, Kansas, and North and East Texas; West Texas; South Texas; and the Gulf Coast regions. The company was incorporated in 1966 and is headquartered in Houston, Texas.

Pioneer Natural Resources Company operates as an independent oil and gas exploration and production company in the United States. The company explores for, develops, and produces oil, natural gas liquids (NGLs), and gas. It has operations in the Midland Basin in West Texas. The company was founded in 1997 and is headquartered in Irving, Texas.

Battalion Oil Corporation, an independent energy company, engages in the acquisition, production, exploration, and development of onshore oil and natural gas assets in the United States. It holds interests in the Delaware Basin located in the counties of Pecos, Ward, Reeves, and Winkler, Texas. It serves independent marketers, and oil and natural gas and gas pipeline companies. The company was formerly known as Halcón Resources Corporation and changed its name to Battalion Oil Corporation in January 2020. Battalion Oil Corporation was founded in 1987 and is headquartered in Houston, Texas.