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.

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.

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.

MRC Global Inc., through its subsidiaries, distributes pipes, valves, fittings, and other infrastructure products and services to the energy, industrial, and gas utility end-markets in the United States, Canada, and internationally.

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.

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

Newpark Resources, Inc. provides products, rentals, and services primarily to the oil and natural gas exploration and production (E&P) industry. The company operates through two segments, Fluids Systems and Industrial Solutions.

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.

Natural Gas Services Group, Inc. provides natural gas compression services and equipment to the energy industry in the United States. It fabricates, manufactures, rents, and sells natural gas compressors and related equipment.

Enerflex Ltd. supplies natural gas compression, oil and gas processing, refrigeration systems, energy transition solutions, and electric power generation equipment to the oil and natural gas industry.

Forum Energy Technologies, Inc. designs, manufactures, and distributes products serving the oil, natural gas, industrial, and renewable energy industries in the United States and internationally.

Tidewater Inc., together with its subsidiaries, provides offshore marine support and transportation services to the offshore energy industry through the operation of a fleet of marine service vessels worldwide.

Valaris Limited provides offshore contract drilling services to the international oil and gas industry. The company owns an offshore drilling rig fleet of 56 rigs, which include 11 drillships, 4 dynamically positioned semisubmersible rigs, 1 moored semisubmersible rig, and 40 jackup rigs.

Geospace Technologies Corporation designs and manufactures instruments and equipment used in the oil and gas industry to acquire seismic data in order to locate, characterize, and monitor hydrocarbon producing reservoirs.

North American Construction Group Ltd. provides equipment maintenance, and mining and heavy construction services in Canada, the United States, and Australia.