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.

ProPetro Holding Corp., an oilfield services company, provides hydraulic fracturing and other related services. The company operates through Pressure Pumping and All Other segments.

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.

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.

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.

Expro Group Holdings N.V. engages in the provision of energy services in North and Latin America, Europe and Sub-Saharan Africa, the Middle East and North Africa, and the Asia-Pacific.

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.

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.