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.

Noble Corporation plc operates as an offshore drilling contractor for the oil and gas industry worldwide. The company provides contract drilling services to the oil and gas industry through its fleet of mobile offshore drilling units. It operates drilling rigs, such as floaters and jackups. Noble Corporation plc was founded in 1921 and is headquartered in Sugar Land, Texas.

Patterson-UTI Energy, Inc., through its subsidiaries, engages in the provision of contract drilling services to oil and natural gas operators in the United States and internationally. It operates through three segments: Drilling Services, Completion Services, and Drilling Products. The Contract Drilling Services segment provides contract and directional drilling services in onshore oil and natural gas basins, as well as engages in the service and re-certification of equipment for drilling contractors, and provision of electrical controls and automation to the energy, marine and mining industries. The Completion Services segment offers services for hydraulic fracturing, wireline and pumping, completion support, and cementing; and involved in the power solutions natural gas fueling, and logistics and storage businesses. The Drilling Products segment manufactures and distributes drill bits for energy and mining markets. It also provides software and services, such as MWD Survey FDIR, a data analytics technology to analyze MWD survey data in real-time and identify the position of a well; HiFi Nav, which enhances FDIR by targeting improved vertical placement of the directional well within the reservoir; HiFi Guidance, utilizes trajectory optimization to determine optimal steering recommendations and placement within the reservoir; and rents oilfield tools. The company was founded in 1978 and is headquartered in Houston, Texas.

Precision Drilling Corporation, a drilling company, provides onshore drilling, completion, and production services to exploration and production companies in the oil and natural gas and geothermal industries in North America and the Middle East. The company operates through Contract Drilling Services and Completion and Production Services segments. The Contract Drilling Services segment offers onshore well drilling services to exploration and production companies in the geothermal, oil and natural gas industry. This segment offers services include land and turnkey drilling; and procurement and distribution of oilfield supplies, as well as manufacture and repair of drilling and service rig equipment. In addition, it operates land drilling rigs in Canada, the United States, and the Middle East, as well as operates AlphaAutomation, AlphaApps, and AlphaAnalytics data services. The company offers EverGreen suite of environmental solutions comprising EverGreenMonitoring, EverGreenEnergy, and EverGreen Fuel Cell. The Completion and Production Services segment provides service rigs for well completion, workover, abandonment, maintenance, and re-entry preparation services; equipment rentals; and camp and catering services to oil and natural gas exploration and production companies. This segment operates well completion and workover service rigs in Canada and the United States. Precision Drilling Corporation was founded in 1951 and is headquartered in Calgary, Canada.

Prairie Operating Co., an independent energy company, engages in the development, exploration, and production of oil, natural gas, and natural gas liquids in the United States. The company holds assets in the Denver-Julesburg Basin in Colorado; and the Niobrara and Codell formations. Prairie Operating Co. is based in Houston Texas.

Diamond Offshore Drilling, Inc. provides contract drilling services to the energy industry worldwide. As of December 31, 2023, the company operated a fleet of 13 offshore drilling rigs, including four drillships, seven semisubmersible rigs, and two managed rigs. It serves independent oil and gas companies, and government-owned oil companies. Diamond Offshore Drilling, Inc. was founded in 1953 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.

Pioneer Natural Resources Company operates as an independent oil and gas exploration and production company in the United States. The company explores for, develops, and produces oil, natural gas liquids (NGLs), and gas. It has operations in the Midland Basin in West Texas. The company was founded in 1997 and is headquartered in Irving, Texas.