Diamondback Energy, Inc., an independent oil and natural gas company, focuses on the acquisition, development, exploration, and exploitation of unconventional and onshore oil and natural gas reserves in the Permian Basin in West Texas.

ConocoPhillips explores for, produces, transports, and markets crude oil, bitumen, natural gas, liquefied natural gas (LNG), and natural gas liquids worldwide.

APA Corporation, through its subsidiaries, explores for, develops, and produces oil and gas properties. It has operations in the United States, Egypt, and the United Kingdom, as well as has exploration activities offshore Suriname.

Marathon Oil Corporation operates as an independent exploration and production company in the United States and internationally. The company engages in the exploration, production, and marketing of crude oil and condensate, natural gas liquids, and natural gas; and the production and marketing of products manufactured from natural gas, such as liquefied natural gas and methanol.

EOG Resources, Inc., together with its subsidiaries, explores for, develops, produces, and markets crude oil, and natural gas and natural gas liquids.

Devon Energy Corporation, an independent energy company, primarily engages in the exploration, development, and production of oil, natural gas, and natural gas liquids in the United States.

Antero Resources Corporation, an independent oil and natural gas company, acquires, explores for, develops, and produces natural gas, natural gas liquids, and oil properties in the United States.

EQT Corporation operates as a natural gas production company in the United States. The company produces natural gas, natural gas liquids (NGLs), including ethane, propane, isobutane, butane, and natural gasoline.

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.

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.

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.

Magnolia Oil & Gas Corporation engages in the acquisition, development, exploration, and production of oil, natural gas, and natural gas liquids reserves in the United States.

Civitas Resources, Inc., an exploration and production company, focuses on the acquisition, development, and production of oil and natural gas in the Rocky Mountain region, primarily in the Wattenberg Field of the Denver-Julesburg Basin of Colorado.