11 companies
Supplier of oilfield gear, gas turbines and cryogenic plant to operators worldwide, trading on Nasdaq from twin head offices in Houston and London, and owner of Chart Industries since 2026.
oilfield-servicesequipment-supplierstechnology-software
US
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Norwell, Massachusetts-based hazardous waste and industrial services group running incineration, landfill and re-refining assets for refineries, chemical plants and oilfield customers.
water-environmentoilfield-services
US
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Expro is a Houston-based oilfield services group that works across the well lifecycle, from well construction and flow management to subsea access, intervention and decommissioning.
oilfield-services
US
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Houston oilfield services group supplying drilling, cementing, completions, artificial lift and the Landmark and DecisionSpace software suite to operators worldwide.
oilfield-servicestechnology-software
US
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Liberty Energy is a Denver-based completions and pressure pumping company serving North American oil and gas producers, alongside a growing distributed power business.
oilfield-services
US
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Texan maker of rig machinery, drill pipe, pumps and valves for well construction and production work, quoted in New York, with second-quarter 2026 revenue of USD 2.13 billion.
oilfield-servicesequipment-suppliers
US
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Houston-based oilfield services group providing land contract drilling, well completion and directional drilling services across US basins and selected markets abroad.
drilling-contractorsoilfield-services
US
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SLB, formerly Schlumberger Limited, is a global oil and gas technology company headquartered in Houston, Texas. It operates in over 120 countries and provides oilfield services, digital solutions, pressure control technologies, drilling fluids and drill bits.
equipment-suppliersoilfield-servicestechnology-software
US
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Gainesville, Texas-based oilfield water company supplying sourcing, transfer, recycling and produced-water disposal infrastructure to US shale producers in the Permian and other basins.
water-environmentoilfield-services
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Oilpatch contractor whose crews handle managed pressure drilling, tubular running, artificial lift and intervention on onshore and offshore oil and gas wells.
oilfield-services
US
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Houston-based well control specialist responding to blowouts and well fires worldwide and supplying relief well engineering, capping systems and well control training.
oilfield-servicestraining-certification
US
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