EOG Resources, Inc., together with its subsidiaries, explores for, develops, produces, and markets crude oil, natural gas liquids, and natural gas primarily in producing basins in the United States, the Republic of Trinidad and Tobago and internationally. The company was formerly known as Enron Oil & Gas Company. EOG Resources, Inc. was incorporated in 1985 and is headquartered in Houston, Texas.

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.

Comstock Resources, Inc., an independent energy company, engages in the acquisition, exploration, development, and production of natural gas and oil properties in the United States. Its assets are located in the Haynesville and Bossier shales located in North Louisiana and East Texas. The company was incorporated in 1919 and is headquartered in Frisco, Texas. Comstock Resources, Inc. is a subsidiary of Arkoma Drilling, L.P.

Gulfport Energy Corporation engages in the acquisition, exploration, development, and production of natural gas, crude oil, and natural gas liquids in the United States. Its principal properties include Utica and Marcellus in eastern Ohio; and the SCOOP Woodford and Springer formations in central Oklahoma. The company was incorporated in 1997 and is headquartered in Oklahoma City, Oklahoma.

Talos Energy Inc., through its subsidiaries, engages in the exploration and production of oil, natural gas, and natural gas liquids in the United States and Mexico. It also engages in the development of carbon capture and sequestration. Talos Energy Inc. was founded in 2011 and is headquartered in Houston, Texas.

Amplify Energy Corp., together with its subsidiaries, engages in the acquisition, development, exploitation, and production of oil and natural gas properties in the United States. The company's properties consist of operated and non-operated working interests in producing and undeveloped leasehold acreage, as well as working interests in identified producing wells located in Oklahoma, the Rockies, federal waters offshore Southern California, East Texas/North Louisiana, and Eagle Ford. The company is based in Houston, 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.

Houston American Energy Corp., an independent oil and gas company, engages in the acquisition, exploration, exploitation, development, and production of natural gas, crude oil, and condensate. Its principal properties are located primarily in the Texas Permian Basin, the South American country of Colombia, and the onshore Louisiana Gulf Coast region. The company is based in Houston, Texas.