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.

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.

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.

NOW Inc. distributes downstream energy and industrial products for petroleum refining, chemical processing, LNG terminals, power generation utilities, and industrial manufacturing operations in the United States, Canada, and internationally.

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.

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.

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.

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.

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.

Archrock, Inc., together with its subsidiaries, operates as an energy infrastructure company in the United States. It operates in two segments, Contract Operations and Aftermarket Services.

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