{{Short description|None}} This is a '''list of oilfield service companies''' – which provide services to the petroleum exploration and production industry but do not typically produce petroleum. In the list, notable subsidiary companies and divisions are listed as sub-lists of their current parent companies. ==Definition== Oilfield service companies may produce, maintain, and repair equipment used in oil extraction and oil transportation.<ref>{{Cite web |date=2019-05-24 |title=What is an Oilfield Service Company? |url=https://mercercapital.com/energyvaluationinsights/what-is-an-oilfield-service-company/ |access-date=2023-02-08 |website=Mercer Capital |language=en}}</ref> In 2019, the global oilfield services market was US $ 267.8 billion.<ref>{{Cite web |title=Oilfield Services Market Size, Growth, Trends - Industry Analysis, 2027 |url=https://www.fortunebusinessinsights.com/industry-reports/oilfield-service-market-100174 |access-date=2023-02-08 |website=www.fortunebusinessinsights.com |language=en}}</ref>

==List== <!-- Companies must be noteworthy enough to have Wikipedia articles. --> * ABB * Abbot Group * Acteon * Aibel * Aker Solutions * Axis Energy Services * Baker Hughes * Ballycatter * Calfrac Well Services * Canary (formerly Frontier Energy Group) * CGG * China Oilfield Services * Clough Group * Core Laboratories * Cyntech * DCP Midstream Partners * Diamond Offshore Drilling * DOF Subsea * Engineers India * ESG Solutions * Eversource Energy * Expro * Fairfield Geotechnologies * Fern Communications * Flowserve * Fluor Corporation * Fugro * Gaia Earth Sciences * Geokinetics * Geophysical Service * Gibson Energy * GlobaLogix * Grant Prideco * Grup Servicii Petroliere * Gyrodata * Halliburton * Helix Energy Solutions Group * Helmerich & Payne * Hill International * Hunting * Hytera * ION Geophysical * Jacobs Solutions * Key Energy Services * Larsen & Toubro * McDermott International * MODEC * Nabors Industries * Nalco Champion * National Oilwell Varco * Neuman & Esser * Newpark Resources * Noble Corporation * Oceaneering International * Oil and Gas International Fzc * Odfjell Drilling * OneSubsea * Petrofac * Petroleum Geo-Services * PJP4 * Polarcus * Precision Drilling * Rosneft * Saipem * Sapura Energy * SBM Offshore * Schlumberger * Schoeller-Bleckmann Oilfield Equipment * Scomi * Seaboard International * Seadrill * Shawcor * Siemens * Stewart & Stevenson * Subsea 7 * Superior Energy Services * Swire * TAM International * TechnipFMC * Tecnicas Reunidas * Tracerco * Transocean * Trican Well Service * Trinidad Drilling * Valaris * Wasco Energy * Weatherford International * Weir Group * Welltec * Wood Group * Worley

== Companies connected with oilfield services == {{div col}} * DeepOcean * International Logging * Kongsberg Gruppen * Rolls-Royce Holdings * Teledyne Technologies * Wärtsilä {{div col end}}

==See also== * List of oil exploration and production companies * List of largest oil and gas companies by revenue

==References== {{reflist}}

{{Petroleum industry}} {{Companies by industry}}

{{DEFAULTSORT:Oilfield service companies}} Category:Lists of energy companies Category:Oilfield services companies