| ADOS Engineering Industries LLC | Abu Dhabi | U.A.E. | |
| Advanced Metals Company for Mining | Dammam | Saudi Arabia | |
| Aker Solutions AS | Tranby | Norway | |
| Al Nasr Technical Trading Agencies company | Abu Dhabi | U.A.E. | |
| Algerian Oilfield Services SPA | Hassi Messaoud | Algeria | |
| ALGOA Cabinda Fabrication Services Lda | Malembo | Angola | |
| AMTEQ Machining GmbH | Celle | Germany | |
| AOS Orwell Ghana Ltd | Takoradi | Ghana | |
| Apollo Machine and Welding Ltd | Leduc | Canada | |
| Argus Machine Co. Ltd | Edmonton | Canada | |
| Argus Machine Co. Ltd | Nisku | Canada | |
| AWA OILFIELD SERVICES LTD | Malabo | Equatorial Guinea | |
| Baker Hughes Eho Ltd | Dubai | U.A.E. | |
| Baker Hughes Energy Technology do Brasil Limitada | Lagoa | Brazil | |
| Bossong Engineering Pty Ltd | Welshpool | Australia | |
| Bossong Engineering Pty Ltd | Broome | Australia | |
| Cameron Al Rushaid - Al Khobar (Dammam), Saudi Arabia | Al-Khobar | Saudi Arabia | |
| Cameron Romania SRL | Campina Prahova | Romania | |
| Continental Alloys and Services Ltd. | Peterhead | U.K. | |
| Custom Threading Inc. | Houston, TX | USA | |
| Delcorte | Feignies | France | |
| Drillstar Industries | Lons | France | |
| Dril-Quip do Brasil Ltda | Macae | Brazil | |
| Dril-Quip, Inc. | Houston | USA | |
| DSERV | Qatar | Qatar | |
| EPIC Oilfield Services Sdn Bhd | Kemaman | Malaysia | |
| FMC Technologies do Brasil Ltda | Macae | Brazil | |
| Global Metallic Product Industries | Sfax | Tunisia | |
| Guanghan Petroleum Well-Control Equipment Co Ltd | Guanghan City | China | |
| Halliburton Manufacturing and Services Ltd. | Arbroath | U.K. | |
| Hunting Energy Services BV | Velsen Noord | The Netherlands | |
| Hunting Energy Services Ltd. | Fordoun, Aberdeenshire South | U.K. | |
| I.O.S Tubular Management AS | Floro | Norway | |
| IAL ENGINEERING SERVICES GUYANA INC | Georgetown | Guyana | |
| IAL ENGINEERING SERVICES LTD | Guapo | Trinidad and Tobago | |
| IOS Tubular Management AS | Tananger | Norway | |
| ITS - Egypt | Salam Base | Egypt | |
| ITS - Egypt | Alexandria | Egypt | |
| J.Hobbs Machine Corp. | Odessa | USA | |
| K&B Industries | Houston | USA | |
| K&B Industries | Schriever | USA | |
| KALTEK MAKINE SAN.TIC.LTD.STI. | HATAY | Turkey | |
| Lincoln MFG Inc. | Houston | USA | |
| MEOS Workshop Services FZCO | Dubai | U.A.E. | |
| Middle East Tubular Services (Iraq) Ltd | Basra | Iraq | |
| Middle East Tubular Services Ltd | Sharjah | U.A.E. | |
| National Oilwell Varco Perù S.R.L | Callao | Peru | |
| National Oilwell Varko UK Limited | Montrose | U.K. | |
| Nippon Steel Corp. | Kansai | Japan | |
| NIPPON STEEL PRECISION MACHINING CO., LTD. NAKATSU WORKS | Nakatsu | Japan | |
| Northern Solutions dba Unique Machine | Anchorage | USA | |
| NOV Africa (Pty) Ltd. | Port Elizabeth | South Africa | |
| NOV de Bolivia S.R.L. | Santa Cruz de la Sierra | Bolivia | |
| NOV Germany GmbH | Vechta | Germany | |
| NOV Tuboscope Machineshop | Coevorden | The Netherlands | |
| Ofar S.p.A. | Visano BS | Italy | |
| Oil Search Png Ltd. | Kutubu | Papua New Guinea | |
| OilTech (Myanmar) Limited | Yangon | Myanmar | |
| Oiltools Africa Limited | Onne | Nigeria | |
| OMPA s.r.l. | Torrevechia Teatina | Italy | |
| OMS Oilfield Services (Thailand) Ltd | Songkhla | Thailand (Kingdom of) | |
| OMS Oilfield Services Pte Ltd | Singapore | Singapore | |
| OMS Oilfield Services Sdn Bhd | Labuan | Malaysia | |
| OMS Oilfield Services Sdn Bhd | Kemaman | Malaysia | |
| OMS Oilfield Services Sdn Bhd | Johor Bahru | Malaysia | |
| OneSubsea | Taubate | Brazil | |
| Oss-Nor A.S. | Kristiansund | Norway | |
| Oss-Nor Hammerfest AS | Hammerfest | Norway | |
| P.T Citra Tubindo Tbk. | Kabil | Indonesia | |
| Parker Wellbore | Kakinada | India | |
| Petrotesting | Hassi Messaoud | Algeria | |
| Pioneer Engineering | Erbil | Iraq | |
| Pioneer Engineering International Ltd | Baku | Azerbaijan | |
| Pounamu Oilfield Services Ltd | New Plymouth | New Zealand | |
| PT OMS Oilfield Services Jakarta | West Java | Indonesia | |
| PT. Mulia Jaya Mandiri | Balikpapan Utara | Indonesia | |
| PT. OMS Oilfield Services | Balikpapan | Indonesia | |
| PY Oiltools Sdn Bhd | Anduki | Brunei | |
| Q-Mass Ltd. | Glasgow | U.K. | |
| REMM OIL SERVICES | Onne | Nigeria | |
| Schlumberger Monterrey Production Unit | Monterrey | Mexico | |
| Schlumberger Oilfield Equipment (Shanghai) Co. Ltd. | Shanghai | China | |
| Sharpe Engineering Pty Ltd | Virginia | Australia | |
| Sheffield Forgemasters International Limited | Sheffield | U.K. | |
| Shelfoil Petroleum Equipment & Services Co., Ltd. | Dezhou | China | |
| Shenzhen Weisheng ITS Petroleum Tubular & Equipment Co., Ltd. Hai Nan Company | Hai Nan | China | |
| Shenzhen Weisheng ITS Petroleum Tubular & Equipment Company Ltd. | Huizhou | China | |
| Shenzhen Weisheng ITS Petroleum Tubular & Equipment Company Ltd. Tianjin Company | Tianjin | China | |
| SLB OneSubsea | São José dos Pinhais | Brazil | |
| Sonaid | Soyo | Angola | |
| Spector Pipe Services Ltd. | Grand Prairie | Canada | |
| SPIE Oil & Gas Services | Luanda | Angola | |
| SPIE Oil & Gas Services | Port Gentil | Gabon | |
| SPIE Oil & Gas Services Congo | Pointe Noire | Congo | |
| Stewart Tubular Products, LLC | Houston, TX | USA | |
| Superior Threaded Products Inc. | Houston, TX | USA | |
| TASSILI MACHINE SHOP | Hassi Messaoud | Algeria | |
| Texas Pipe Works Inc. | 9444 Industrial Dr.Navasota,TX 77868 | USA | |
| Toshin Kogyo Co., Ltd | | Japan | |
| Tryad Service Corporation / Trymax International, Inc. | Shafter | USA | |
| Tuboscope Norge AS | Tananger | Norway | |
| United Engineering Services LLC | Rusayl Industrial Area | Oman | |
| Universal Tubular Services Inc. | St John's | Canada | |
| Vallourec Asia Pacific Corp | Singapore | Singapore | |
| Vallourec Asia Pacific Corp Pte Ltd / Baker Threading Cell (BTC) | Singapore | Singapore | |
| Vallourec Canada Inc. | Calgary, AB | Canada | |
| Vallourec Deutschland GmbH | Rath | Germany | |
| Vallourec Oil & Gas Mexico SA de CV | Veracruz | Mexico | |
| Vallourec Oil & Gas UK Ltd | Aberdeen | U.K. | |
| Vallourec Oil and Gas Aulnoye | Aulnoye Aymeries | France | |
| Vallourec Saudi Arabia | Dammam | Saudi Arabia | |
| Vallourec Soluções Tubulares do Brasil | Jeceaba | Brazil | |
| Vallourec Soluções Tubulares do Brasil | Belo Horizonte | Brazil | |
| Vallourec Star - Youngstown | Youngstown | USA | |
| Vallourec Tianda (Anhui) Co., Ltd | Chuzhou | China | |
| Vallourec Tianda (Anhui) Co., Ltd. Changzhou Branch | Changzhou | China | |
| Vallourec Tube-Alloy LLC | Houma | USA | |
| Vallourec Tube-Alloy LLC | Emmott Road - Houston, TX | USA | |
| Vallourec Tube-Alloy LLC | Houston | USA | |
| Vallourec Tubular Solutions LTDA | Rio das Ostras | Brazil | |
| VAM USA L.L.C | Houston | USA | |
| VAM® BRN SDN BHD | Brunei | Brunei | |
| VAPC Halliburton Threading Cell | Singapore | Singapore | |
| Venture Gulf Engineering | Salwa Industrial Area | Qatar | |
| Vietubes Corporation Ltd | Vung Tau | Vietnam | |
| Vivolca | El Tigre | Venezuela | |
| Weatherford Colombia BVI | Yopal - Casanare | Colombia | |
| Weatherford Drilling & Production Services (India) Pvt. Ltd. | Vadodara | India | |
| Weatherford Industria e Comercio Ltda | Macae | Brazil | |
| Weatherford International de Argentina S.A. | Valentina Sur Neuquen | Argentina | |
| Weatherford Manufacturing & Services LLC | Abu Dhabi | U.A.E. | |
| Weatherford Services Free Zone | Salam Base | Egypt | |
| Weatherford Services Free Zone | Cairo | Egypt | |
| Wellbore Integrity Solutions, Kazakhstan Limited Liability Partnership, Aksai Machine Shop | Aksai | Kazakhstan | |
| WellConnection Norway AS | Mongstad | Norway | |
| WellConnection Wepco AS | Stavanger | Norway | |
| Wellserve Oilfield Services (Pvt) Ltd | Islamabad | Pakistan | |