List of oilfield service companies

List of oilfield service companies

This is a list of oilfield service companies - companies which provide services to the petroleum exploration and production industry but do not typically produce petroleum themselves. In the list notable subsidiary companies and division are listed as sub-lists of their current parent companies.

Abbot Group
KCA DEUTAG
Aibel
Acteon
Aker Solutions
AMEC
Baker Hughes
Baker Hughes INTEQ
Calfrac Well Services
Cameron
CGGVeritas
CH2M HILL
Challenger LTD
China Oilfield Services
Core Laboratories, Inc.
Cyntech
Denca Services Limited
Dresser Industries
Ensco plc
ESG Solutions
Expro International Group
Fairfield Industries
FMC Technologies
Flowserve
Fluor Corporation
Fugro
Gaia Earth Sciences
GE Oil & Gas
GE VetcoGray
Wellstream
Geokinetics
Geophysical Service
Gyrodata
Halliburton
WellDynamics
Hughes Tool Company
Hunting plc
Ingrain, Inc.
Institute of Oil Transportation
ION Geophysical
Isurvey
J&L Supply Co.
Key Energy Services
Kodiak Coil Tubing
Larsen & Toubro
McDermott International
MODEC
Moody International Group
Nabors Industries
National Oilwell Varco
NEOS GeoSolutions
Petrofac
Petroleum Geo-Services
Precision Drilling
Qserv
Roke Technologies
Saipem
Saudi Aramco
Sanjel Corporation
Schlumberger
Geoservices
Smith International
WesternGeco
Geco-Prakla
Geophysical Service
Scomi
Score Group plc
Seaboard International
Siemens Oil & Gas Division
ShawCor
Stewart & Stevenson
Technip
TERRA Geotech AS
Tesco Corporation
Tracerco
Transocean
Trican Well Service
Trinidad Drilling
Weatherford International
International Logging
Weir Group
Welltec
Wood Group
WorleyParsons
Zadok Technologies
Zenith Oilfield Technology