List of oilfield service companies

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. In 2019, the global oilfield services market was US $ 267.8 billion.

List
• 2M Oilfield Group

• ABB

• Abbot Group

• Acteon

• Aibel

• Aker Solutions

• Baker Hughes

• Baker Tubulars

• BGR Energy Systems

• Calfrac Well Services

• Canary (formerly Frontier Energy Group)

• CGG

• Challenger

• 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

• J&L Supply

• 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

• 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

 * DeepOcean
 * International Logging
 * Kongsberg Gruppen
 * Petrolink
 * Rolls-Royce Holdings
 * Teledyne Technologies
 * Wärtsilä