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.

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

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.

Occidental Petroleum Corporation, together with its subsidiaries, engages in the acquisition, exploration, and development of oil and gas properties in the United States, the Middle East, Africa, and Latin America.

Hess Corporation, an exploration and production company, explores, develops, produces, purchases, transports, and sells crude oil, natural gas liquids (NGLs), and natural gas.

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.

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

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.

Range Resources Corporation operates as an independent natural gas, natural gas liquids (NGLs), and oil company in the United States. The company engages in the exploration, development, and acquisition of natural gas and oil properties.

Murphy Oil Corporation, together with its subsidiaries, operates as an oil and natural gas exploration and production company in the United States, Canada, and internationally.