Permian Resources Corporation, an independent oil and natural gas company, focuses on the development of crude oil and related liquids-rich natural gas reserves in the United States. The company's assets primarily focus on the Delaware Basin, a sub-basin of the Permian Basin. Its properties consist of acreage blocks in West Texas, Eddy County, Lea County, and New Mexico. The company was formerly known as Centennial Resource Development, Inc. and changed its name to Permian Resources Corporation in September 2022. Permian Resources Corporation was incorporated in 2015 and is headquartered in Midland, Texas.

TXO Partners, L.P., an oil and natural gas company, focuses on the acquisition, development, optimization, and exploitation of conventional oil, natural gas, and natural gas liquid reserves in North America. Its acreage positions are concentrated in the Permian Basin of West Texas and New Mexico and the San Juan Basin of New Mexico and Colorado. The company was formerly known as TXO Energy Partners, L.P. and changed its name to TXO Partners, L.P. in May 2023. TXO Partners, L.P. was incorporated in 2012 and is based in Fort Worth, Texas.

NPK International Inc. provides products, rentals, and services primarily to the oil and natural gas exploration and production (E&P) industry. It operates through two segments, Fluids Systems and Industrial Solutions. The Fluids Systems segment provides drilling, completion, and stimulation fluids products and related technical services to customers primarily in the North America, Europe, the Middle East, and Africa, as well as other countries in the Asia Pacific and Latin America. The Industrial Solutions segment offers composite matting system rentals utilized for temporary worksite access; related site construction and services to customers in various markets, including power transmission, E&P, pipeline, renewable energy, petrochemical, construction, and other industries primarily in the United States and Europe; recyclable composite mats to customers worldwide; and access road construction, site planning and preparation, environmental protection, erosion control, and site restoration services. The company was formerly known as Newpark Resources, Inc. and changed its name to NPK International Inc. in December 2024. The company was incorporated in 1932 and is headquartered in The Woodlands, Texas.

Vital Energy, Inc., an independent energy company, engages in the acquisition, exploration, and development of oil and natural gas properties in the Permian Basin of West Texas, the United States. The company was formerly known as Laredo Petroleum, Inc. and changed its name to Vital Energy, Inc. in January 2023. Vital Energy, Inc. was founded in 2006 and is headquartered in Tulsa, Oklahoma.

PrimeEnergy Resources Corporation, through its subsidiaries, engages in acquisition, development, and production of oil and natural gas properties in the United States. The company owns leasehold, mineral, and royalty interests in producing and non-producing oil and gas properties; and operates approximately 534 active wells and owns non-operating interests and royalties in 952 additional wells. It also acquires producing oil and gas properties through joint ventures with industry partners; and provides contract services to third parties, including well-servicing support, site-preparation, and construction services for oil and gas drilling and reworking operations. The company was formerly known as PrimeEnergy Corporation and changed its name to PrimeEnergy Resources Corporation in December 2018. PrimeEnergy Resources Corporation was incorporated in 1973 and is headquartered in Houston, Texas.

Mexco Energy Corporation, an independent oil and gas company, engages in the acquisition, exploration, development, and production of natural gas, crude oil, condensate, and natural gas liquids in the United States. It owns partial interests in wells located in the states of Texas, New Mexico, Oklahoma, Louisiana, Alabama, Mississippi, Arkansas, Wyoming, Kansas, Colorado, Montana, Virginia, North Dakota, and Ohio. It also owns leasehold mineral, royalty, and other interests. The company was formerly known as Miller Oil Company and changed its name to Mexco Energy Corporation in April 1980. Mexco Energy Corporation was incorporated in 1972 and is based in Midland, Texas.

Ring Energy, Inc., an independent oil and natural gas company, engages in the acquisition, exploration, development, and production of oil and natural gas properties. The company has interests in 56,711 net developed acres and 2,668 net undeveloped acres in Andrews, Gaines, Crane, Ector, Winkler, and Ward counties, Texas; and 8,751 net developed acres and 12,405 net undeveloped acres in Yoakum County, Texas and Lea County, New Mexico. It primarily sells its oil and natural gas production to end users, marketers, and other purchasers. The company was formerly known as Transglobal Mining Corp. and changed its name to Ring Energy, Inc. in March 2008. Ring Energy, Inc. was incorporated in 2004 and is headquartered in The Woodlands, Texas.

Empire Petroleum Corporation engages in the acquisition, exploration, and development of oil and gas interests in Louisiana, New Mexico, Montana, North Dakota, and Texas. The company was formerly known as Americomm Resources Corporation and changed its name to Empire Petroleum Corporation in August 2001. Empire Petroleum Corporation was incorporated in 1983 and is headquartered in Tulsa, Oklahoma.