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.

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.

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

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.

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.

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.

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

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.