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Baker Hughes is a global leader in oilfield services and oilfield equipment, with particularly strong presences in the artificial lift, specialty chemicals, and completions markets. It maintains modest exposure to offshore oil and gas production. The other half of its business focuses on industrial power generation, process solutions, and industrial asset management, with high exposure to the liquid natural gas market specifically, as well as broader industrials end markets.

NOV (formerly National Oilwell Varco) is a leading supplier of oil and gas drilling rig equipment and products, such as downhole tools, drill pipe, and well casing. The company operates on a global scale, with international markets contributing more than 60% of its annual revenue.

Halliburton is one of the three largest oilfield service firms in the world, offering superior expertise in a number of business lines, including completion fluids, wireline services, cementing, and countless others. It’s the largest pressure pumper in North America, and has been a leading innovator in hydraulic fracturing over the past two decades.

SLB is the largest oilfield service firm in the world, with expertise in myriad disciplines, including reservoir performance, well construction, production enhancement, and more recently, digital solutions. It maintains a reputation as one of the industry’s leading innovators, which has earned it dominant share in numerous end markets.