Ranger Energy Services, Inc. provides onshore high specification well service rigs, wireline completion services, and complementary services to exploration and production companies in the United States.

Bristow Group Inc. provides aviation services to integrated, national, and independent offshore energy companies in the United States. It also offers commercial search and rescue services; and other helicopter and fixed wing transportation services.

RPC, Inc., through its subsidiaries, provides a range of oilfield services and equipment for the oil and gas companies involved in the exploration, production, and development of oil and gas properties.

Oceaneering International, Inc. provides engineered services, products, and robotic solutions to the offshore energy, defense, aerospace, manufacturing, and entertainment industries worldwide.

Cactus, Inc. designs, manufactures, sells, and rents a range of wellheads and pressure control equipment in the United States, Australia, China, and the Kingdom of Saudi Arabia.

Halliburton Company provides products and services to the energy industry worldwide. It operates in two segments, Completion and Production, and Drilling and Evaluation.

Schlumberger Limited provides technology for the energy industry worldwide. The company operates through four divisions: Digital & Integration, Reservoir Performance, Well Construction, and Production Systems.

ChampionX Corporation provides chemistry solutions, and engineered equipment and technologies to oil and gas companies worldwide. The company's Production Chemical Technologies segment offers onshore and offshore chemical solutions, such as corrosion inhibitors, scale inhibitors, emulsion breakers, and biocides to oil and natural gas production and midstream markets to manage and control corrosion, oil and water separation, flow assurance, sour gas treatment, and water-related issues.

Weatherford International plc, an energy services company, provides equipment and services for the drilling, evaluation, completion, production, and intervention of oil, geothermal, and natural gas wells worldwide.

Oil States International, Inc., through its subsidiaries, provides oilfield products and services for the drilling, completion, subsea, production, and infrastructure sectors of the oil and gas industry worldwide.

Helix Energy Solutions Group, Inc., an offshore energy services company, provides specialty services to the offshore energy industry primarily in Brazil, the Gulf of Mexico, North Sea, the Asia Pacific, and West Africa regions.

TechnipFMC plc engages in the oil and gas projects, technologies, and systems and services businesses in Europe, Central Asia, North and Latin America, the Asia Pacific, Africa, and the Middle East.