Exhibit 21.1
SUBSIDIARIES OF THE REGISTRANT
Name | State or Country of Incorporation | |
Ackerman Holdings C.V. | Netherlands | |
Ackerman Holdings GP LLC | United States | |
Ackerman International Holland B.V. | Netherlands | |
Advanced Wirecloth, LLC | United States | |
AG Holding UK | United Kingdom | |
Aggregate Plant Products Co. | United States | |
Amercoat Corporation | United States | |
American Pipe and Construction International | United States | |
Ameron (UK) Limited | United Kingdom | |
Ameron Brasil Industria E Comercio de Tubos Ltda | Brazil | |
Ameron Composites, Inc. | United States | |
Ameron Egypt | Egypt | |
Ameron Holdings II Pte Ltd | Singapore | |
Ameron Holdings Pte. Ltd. | Singapore | |
Ameron Holdings, Inc. | United States | |
Ameron International Corporation | United States | |
Ameron Pole Products LLC | United States | |
Ameron Saudi Arabian Limited (ASAL) | Saudi Arabia | |
Ameron Singapore Holding, LLC | United States | |
Ameron Singapore Poly Holdings Pte. Ltd. | Singapore | |
Ameron Trading Holdings Pte. Ltd. | Singapore | |
Ameron Water Transmission Group, LLC | United States | |
Andergauge Limited | United Kingdom | |
Andergauge Redback, LLC | United States | |
Andergauge USA, Inc. | United States | |
APL (UK) Limited | United Kingdom | |
APL do Brasil Ltda | Brazil | |
APL France SAS | France | |
APL Management Pte Ltd | Singapore | |
APL Norway AS | Norway | |
APL Technology AS | Norway | |
ASEP Group Holding BV | Netherlands | |
ASEP Otomotiv Sanayi Ticaret Ltd. | Turkey | |
Aswan National Oilwell Varco (a limited liability company) | United Arab Emirates | |
Big Red Tubulars Industries LLC | United Arab Emirates | |
Big Red Tubulars Limited | Virgin Islands, British | |
Black Max Argentina S.A. | Argentina | |
Bolenco Corporation | United States | |
Bondstrand Ltd. | Saudi Arabia | |
Bowen Downhole LLC | United States | |
Bowen Downhole, Inc. | United States | |
Brandt Energy Environmental, L.P. | United States | |
Brandt Interests, Inc. | United States | |
Brandt Oilfield Services | Singapore | |
Brandt Oilfield Services (M) Sdn. Bhd. | Malaysia | |
C.M.A. Canavera S.R.l. | Italy | |
Camco Drilling Group Limited | United Kingdom | |
Chemineer Limited | United Kingdom | |
Chemineer, Inc. | United States | |
CJSC Fidmash | Belarus | |
CJSC Novmash | Belarus |
1
Name | State or Country of Incorporation | |
Coil Services Middle East LLC | United Arab Emirates | |
Cooperatie Intelliserv Holding U.A. | Netherlands | |
Cooperatie NOV NL U.A. | Netherlands | |
Corporacion Californiana de Tuberias APS S. de R.L. de C.V. | Mexico | |
Dalian Moyno Pump Co., Ltd. | China | |
Danco AS | Norway | |
Devin International, Inc. | United States | |
Dreco Canada CV | Netherlands | |
Dreco Canada GP LLC | United States | |
Dreco Canada L.P. | Canada | |
Dreco Cayman GP LLC | United States | |
Dreco Cayman L.P. | Cayman Islands | |
Dreco DHT Holding BV | Netherlands | |
Dreco DHT, Inc. | United States | |
Dreco Eastern Europe ULC | Canada | |
Dreco Energy Holding BV | Netherlands | |
Dreco Energy NL Cooperatief U.A. | Netherlands | |
Dreco Energy Services ULC | Canada | |
Dreco Europe Limited | United Kingdom | |
Dreco International Holdings ULC | Canada | |
Dreco Limited | United Kingdom | |
Dreco LLC | United States | |
Dupre International Nigeria | Nigeria | |
E.C. Motors, Inc. | United States | |
Elmar Far East Pty Ltd | Australia | |
Energy Equipment Corporation Limited | United Kingdom | |
Enerpro de Mexico, S.A. de C.V. | Mexico | |
Environmental Procedures LLC | United States | |
Fiber Glass System (Suzhou) Co. Ltd. | China | |
Fiber Glass Systems (Harbin) Co., Ltd. | China | |
Fiber Glass Systems Holdings, LLC | United States | |
Fiber Glass Systems Oman L.L.C. | Oman | |
Fiber Glass Systems, L.P. | United States | |
Fiber Glass Trading (Shanghai) Co. Ltd. | China | |
Fiberspar Australia Pty. Ltd. | Australia | |
Fiberspar Corporation | United States | |
FIBERSPAR LINEPIPE CANADA LTD. | Canada | |
FidService, LLC | Russian Federation | |
Forth Valley Engineering Limited | United Kingdom | |
Fryma S.a.r.l. | France | |
GP USA Holding, LLC | United States | |
GPEX, L.P. | United States | |
Grant Prideco (Jiangsu) Drilling Products Co., Ltd | China | |
Grant Prideco (Singapore) Pte Ltd | Singapore | |
Grant Prideco AB TCA Holding LLC | United States | |
Grant Prideco Asia (Singapore) Pte Ltd | Singapore | |
Grant Prideco de Venezuela, S.A. | Venezuela | |
Grant Prideco European Holding, LLC | United States | |
Grant Prideco Finance, LLC | United States | |
Grant Prideco Holding, LLC | United States | |
Grant Prideco III C.V. | Netherlands |
2
Name | State or Country of Incorporation | |
Grant Prideco Jersey Limited | Jersey | |
Grant Prideco Mauritius Limited | Mauritius | |
Grant Prideco Netherlands B.V. | Netherlands | |
Grant Prideco PC Composites Holdings, LLC | United States | |
Grant Prideco USA, LLC | United States | |
Grant Prideco, Inc. | United States | |
Grant Prideco, L.P. | United States | |
Grant Prideco, S. de R.L. de C.V. | Mexico | |
Greystone Technologies Pty. Ltd. | Australia | |
Hebei Huayouyiji Tuboscope Coating Co., Ltd. | China | |
Hitec AS | Norway | |
Hitec Dreco Limited | United Kingdom | |
Hydralift AmClyde, Inc. | United States | |
Hydralift AS | Norway | |
Hydralift France SAS | France | |
Hydralift Holdings UK Ltd. | United Kingdom | |
Hydra-Rig, Inc. | United States | |
Inspecciones y Pruebas No Destructivs, S.A. de C.V. | Mexico | |
Intellipipe, Inc. | United States | |
IntelliServ do Brasil Equipamentos e Serviços Para Petroleo Ltda | Brazil | |
Intelliserv GP Holdings LLC | United States | |
Intelliserv International Holding, Ltd | Cayman Islands | |
Intelliserv Mexico, S. de R.L. de C.V. | Mexico | |
IntelliServ Norway AS | Norway | |
Intelliserv, Inc. | United States | |
Intelliserv, LLC | United States | |
Interval LLC | Russian Federation | |
JiangYin Tuboscope Tubular Development Co., Ltd | China | |
LSI Asia Pacific Pte. Ltd. | Singapore | |
Merpro Americas, Inc. | United States | |
Merpro Group Limited | United Kingdom | |
Merpro Limited | United Kingdom | |
Merpro Machining & Threading Limited | United Kingdom | |
Merpro Products Limited | United Kingdom | |
Merpro Tortek Limited | United Kingdom | |
Mono Group Pension Trustees Limited | United Kingdom | |
Mono Pumps New Zealand Company | New Zealand | |
Monoflo NOV S.A.I.C. | Argentina | |
Moyno de Mexico, S.A. de C.V. | Mexico | |
Moyno, Inc. | United States | |
Mustang Capital Corp. | United States | |
National Oilwell (U.K.) Limited | United Kingdom | |
National Oilwell Algerie | Algeria | |
National Oilwell de Venezuela, C.A. | Venezuela | |
National Oilwell DHT, LP | United States | |
National Oilwell Middle East Company | Canada | |
National Oilwell Poland Sp.z.o.o. | Poland | |
National Oilwell Services de Mexico de C.V. | Mexico | |
National Oilwell Varco (Beijing) Investment Management Co. Ltd. | China | |
National Oilwell Varco (Thailand) Ltd. | Thailand | |
National Oilwell Varco Almansoori Services | United Arab Emirates |
3
Name | State or Country of Incorporation | |
National Oilwell Varco Bahrain WLL | Bahrain | |
National Oilwell Varco Belgium | Belgium | |
National Oilwell Varco de Chile—Servicios Limitada | Chile | |
National Oilwell Varco Denmark I/S | Denmark | |
National Oilwell Varco do Brasil LTDA | Brazil | |
National Oilwell Varco Eurasia, LLC | Russian Federation | |
National Oilwell Varco Guatemala, Limitada | Guatelmala | |
National Oilwell Varco Holdings LLC | United States | |
National Oilwell Varco Korea Co., Ltd. | Korea, Republic of | |
National Oilwell Varco Mexico, S.A de C.V. | Mexico | |
National Oilwell Varco MSW S.A. | Argentina | |
National Oilwell Varco Muscat L.L.C. | Oman | |
National Oilwell Varco Norway AS | Norway | |
National Oilwell Varco Peru S.R.L. | Peru | |
National Oilwell Varco Petroleum Equipment (Shanghai) Co., Ltd. | China | |
National Oilwell Varco Pte. Ltd. | Singapore | |
National Oilwell Varco Rig Equipment Trading (Shanghai) Co., Ltd. | China | |
National Oilwell Varco Solutions S.A. de C.V. | Mexico | |
National Oilwell Varco UK Limited | United Kingdom | |
National Oilwell Varco, Inc. | United States | |
National Oilwell Varco, L.P. | United States | |
National-Oilwell Pte. Ltd. | Singapore | |
National-Oilwell Pty. Ltd. | Australia | |
New Holland Cooperatief U.A. | Netherlands | |
NOCL Holding BV | Netherlands | |
NOV (Asia), Inc. | Mauritius | |
NOV (Barbados) SRL | Barbados | |
NOV (Caymans), Ltd. | Cayman Islands | |
NOV (Malaysia) Sdn. Bhd. | Malaysia | |
NOV Ameron de Mexico, S. de R.L. de C.V. | Mexico | |
NOV Ameron de SLRC, S. de R.L. de C.V. | Mexico | |
NOV APL Limited | Cyprus | |
NOV ASEP Elmar do Brasil Equipamentos E Servicos Para Petroleu Ltda. | Brazil | |
NOV ASEP ELMAR MEXICO, S. DE R.L. DE C.V. | Mexico | |
NOV Australia Pty Ltd | Australia | |
NOV Brandt Europe France | France | |
NOV Brandt Oilfield Services Middle East LLC | United Arab Emirates | |
NOV Condor, LLC | United States | |
NOV CV1 GP LLC | United States | |
NOV Denmark Cooperatief U.A. | Netherlands | |
NOV Devin Energia Servicios do Brasil Ltda. | Brazil | |
NOV DH de Mexico S. de R.L. de C.V. | Mexico | |
NOV DHT Canada Holding ULC | Canada | |
NOV DOWNHOLE ALGERIA SERVICES EURL | Algeria | |
NOV Downhole Argentina, LLC | United States | |
NOV Downhole Azerbaijan, LLC | United States | |
NOV Downhole Bolivia S.R.L. | Bolivia | |
NOV Downhole Colombia, LLC | United States | |
NOV Downhole Comercialização de Equipamento para Petroleo Ltda | Brazil | |
NOV Downhole Congo, LLC | United States | |
NOV Downhole del Ecuador Cia. Ltda. | Ecuador |
4
Name | State or Country of Incorporation | |
NOV Downhole Eurasia Limited | United Kingdom | |
NOV Downhole Europe B.V. | Netherlands | |
NOV Downhole Germany GmbH | Germany | |
NOV Downhole Italia S.R.L. | Italy | |
NOV Downhole Kazakhstan, LLC | United States | |
NOV Downhole Malaysia Sdn. Bhd. | Malaysia | |
NOV Downhole Norway, LLC | United States | |
NOV Downhole Pty Ltd | Australia | |
NOV Downhole Thailand, LLC | United States | |
NOV Dreco GP LLC | United States | |
NOV EAST BV | Netherlands | |
NOV Egypt FZ LLC | Egypt | |
NOV Elmar (Middle East) Limited | United Kingdom | |
NOV Elmar NL B.V. | Netherlands | |
NOV Elmar Pte Ltd | Singapore | |
NOV Enerflow ULC | Canada | |
NOV EU Acquisition SNC | France | |
NOV Eurasia Holding LLC | United States | |
NOV European Holding LLC | United States | |
NOV Expatriate Services, Inc. | United States | |
NOV Far East B.V. | Netherlands | |
NOV FGS Maylasia Sdn Bhd | Malaysia | |
NOV FGS Singapore (Pte.) Ltd | Singapore | |
NOV Fiber Glass Systems B.V. | Netherlands | |
NOV Fiber Glass Systems Fabricacao De Tubos E Conexoes Ltda | Brazil | |
NOV Flexibles Equipamentos E Servicos Ltda. | Brazil | |
NOV Flexibles Holding ApS | Denmark | |
NOV Flexibles UK Ltd. | United Kingdom | |
NOV Floating Production AS | Norway | |
NOV Fluid Control B.V. | Netherlands | |
NOV GEO Cayman Holdings Limited | Cayman Islands | |
NOV GEO GP LLC | United States | |
NOV GEO LP1 CV | Netherlands | |
NOV Ghana Limited | Ghana | |
NOV GP Holding LLC | United States | |
NOV GP Holding, L.P. | United States | |
NOV GP Sub LLC | United States | |
NOV GP1 Holding LLC | United States | |
NOV Group Holdings Limited | United Kingdom | |
NOV Holding Danmark ApS | Denmark | |
NOV Holding Germany GmbH & Co KG | Germany | |
NOV Holding Germany Management GmbH | Germany | |
NOV Holdings BV | Netherlands | |
NOV Hydra Rig Pte. Ltd | Singapore | |
NOV I LLC | United States | |
NOV India Private Limited | India | |
NOV Intelliserv UK Limited | United Kingdom | |
NOV International Holding BV | Netherlands | |
NOV International Holdings C.V. | Netherlands | |
NOV International Holdings GP LLC | United States | |
NOV Kenya Limited | Kenya |
5
Name | State or Country of Incorporation | |
NOV Kostroma LLC | Russian Federation | |
NOV Mexico Holding LLC | United States | |
NOV Mission Products UK Limited | United Kingdom | |
NOV Mozambique Limitada | Mozambique | |
NOV North America I/P, LLC | United States | |
NOV Norway 1 Holding LLC | United States | |
NOV Norway 2 Holding LLC | United States | |
NOV Norway 3 Holding LLC | United States | |
NOV Norway GP 1 ANS | Norway | |
NOV Norway GP 2 ANS | Norway | |
NOV Norway GP 3 ANS | Norway | |
NOV Oil & Gas Services Angola, Ltd. | Angola | |
NOV Oil and Gas Services Namibia (Proprietary) Limited | Namibia | |
NOV Oil and Gas Services Nigeria Limited | Nigeria | |
NOV Oil and Gas Services South Africa (Pty) Limited | South Africa | |
NOV Oilfield Services Tanzania Limited | Tanzania | |
NOV Oilfield Services Vostok LLC | Russian Federation | |
NOV Oilfield Solutions | Nigeria | |
NOV Oslo Holding LLC | United States | |
NOV Park I BV | Netherlands | |
NOV Park II BV | Netherlands | |
NOV Pressure Performance Systems Comercialização de Equipamentos e Prestação de Serviços Técnicos Ltda. | Brazil | |
NOV Process & Flow Technologies UK Limited | United Kingdom | |
NOV Process & Flow Technologies US, Inc. | United States | |
NOV Rig Solutions Pte. Ltd. | Singapore | |
NOV Rigstore, Inc. | United States | |
NOV Romania, LLC | United States | |
NOV Saudi Arabia Co., Ltd. | Saudi Arabia | |
NOV Saudi Arabia Trading Co. Ltd. | Saudi Arabia | |
NOV Services Ltd. | Cayman Islands | |
NOV Servicios de Personal Mexico, S. de R.L. de C.V. | Mexico | |
NOV Tuboscope Italia S.R.l. | Italy | |
NOV Tuboscope Middle East LLC | United Arab Emirates | |
NOV Tuboscope NL B.V. | Netherlands | |
NOV Tubulars and Connectors Ltd. | Nigeria | |
NOV TV2 LLC | United States | |
NOV TVI LLC | United States | |
NOV UK (Angola Acquisitions) Limited | United Kingdom | |
NOV UK Finance Limited | United Kingdom | |
NOV UK Holdings Limited | United Kingdom | |
NOV UK Korea LP | United Kingdom | |
NOV West BV | Netherlands | |
NOV Worldwide CV | Netherlands | |
NOV-BLM SAS | France | |
NOV-Fabtech FZCO | United Arab Emirates | |
NOVM Holding LLC | United States | |
NOVN Portugal—Servicos de Engenharia, LDA | Portugal | |
NOW Downhole Tools, Inc. | United States | |
NOW International LLC | United States | |
NOW Nova Scotia Holdings LLC | United States | |
NOW Oilfield Services II, LLC | United States |
6
Name | State or Country of Incorporation | |
NOW Oilfield Services, LLC | United States | |
NQL (Illinois) Inc. | United States | |
NQL (US) Inc. | United States | |
NQL Energy Services US, Inc. | United States | |
NQL Holland B.V. | Netherlands | |
P&T Servicios Petroleros, C.A. | Venezuela | |
Pesaka Inspection Services SDN.BHD. | Malaysia | |
Pipex Composite Limited | United Kingdom | |
Pipex Drainage & Civil Products Limited | United Kingdom | |
Pipex Limited | United Kingdom | |
Pipex Project Services Limited | United Kingdom | |
Pipex PX (Scotland) Limited | United Kingdom | |
Pipex PX Limited | United Kingdom | |
Pipex Structural Composites Limited | United Kingdom | |
Pridecomex Holding, S. de R.L. de C.V. | Mexico | |
Pridecomex TA Industries, LLC | United States | |
Procon Engineering Ltd. | United Kingdom | |
Profab Engineering Pte. Ltd. | Singapore | |
Profab Services Pte Ltd | Singapore | |
PSX Corporation | United States | |
PT H-Tech Oilfield Equipment | Indonesia | |
PT National Oilwell Varco | Indonesia | |
PT PROFAB INDONESIA | Indonesia | |
Quality Tubing FSC | British, Virgin Islands | |
R&M C.V. | Netherlands | |
R&M Canada Cooperatief U.A. | Netherlands | |
R&M Canada Holding B.V. | Netherlands | |
R&M Energy Systems Australia Pty Ltd. | Australia | |
R&M Energy Systems de Argentina S.A. | Argentina | |
R&M Energy Systems de Venezuela, C.A. | Venezuela | |
R&M Environmental Strategies, Inc. | United States | |
R&M Singapore Holding LLC | United States | |
R&M UK Holding LLC | United States | |
ReedHycalog Angola, LLC | United States | |
ReedHycalog Cameroon, LLC | United States | |
ReedHycalog CIS, LLC | United States | |
ReedHycalog Coring Services International, Inc. | United States | |
ReedHycalog International Holding, LLC | United States | |
Reed-Hycalog Singapore | Singapore | |
ReedHycalog UK Ltd. | United Kingdom | |
ReedHycalog, L.P. | United States | |
ReedHycalog, LLC | United States | |
RHI Holding LLC | United States | |
RIO CO, S. de R.L. de C.V. | Mexico | |
Robannic Overseas Finance A.V.V. | Netherlands Antilles | |
Robbins & Myers (Suzhou) Process Equipment Company Limited | China | |
Robbins & Myers B.V. | Netherlands | |
Robbins & Myers Foundation | United States | |
Robbins & Myers GP LLC | United States | |
Robbins & Myers Holdings UK Limited | United Kingdom | |
Robbins & Myers Holdings, LLC | United States |
7
Name | State or Country of Incorporation | |
Robbins & Myers Italia S.R.L. | Italy | |
Robbins & Myers N.V. | Netherlands Antilles | |
Robbins & Myers Private Limited | Singapore | |
Robbins & Myers, Inc. | United States | |
Rodic S.A. de C.V. | Mexico | |
Romaco S.a.r.l. | France | |
Saudi Arabia Concrete Products Limited (SACOP) | Saudi Arabia | |
Screen Manufacturing Company Unlimted | Trinidad and Tobago | |
Seabox AS | Norway | |
Servicios Tubulares TT, S.A. de C.V. | Mexico | |
Soil Recovery A/S | Denmark | |
Star Fiberglass Harbin Co., Ltd. | China | |
STAR Sudamtex Tubulares S.A. (Joint Venture) | Venezuela | |
STB H2O TUNISIE | Tunisia | |
Subseaflex Holding ApS | Denmark | |
T-3 Energy Preferred Industries Mexico, S. de R.L. de C.V. | Mexico | |
T-3 Energy Services Cayman Holdings, Ltd. | Cayman Islands | |
T-3 Energy Services Cayman, Ltd. | Cayman Islands | |
T-3 Energy Services India Private Limited | India | |
T-3 Energy Services International, Inc. | United States | |
T-3 Energy Services Mexico, S. de R.L. de C.V. | Mexico | |
T-3 Energy Services, LLC | United States | |
T-3 Investment Corporation IV | United States | |
T-3 Mexican Holdings, Inc. | United States | |
Techdrill Limited | United Kingdom | |
Telluride Insurance Limited | Bermuda | |
Tianjin Grant Prideco TPCO Oilfield Products Co., Ltd. | China | |
Tianjin Grant TPCO Drilling Tools Company Limited | China | |
Tube-Kote, Inc. | United States | |
Tubo-FGS, L.L.C. | United States | |
Tuboscope & Co. LLC | Oman | |
Tuboscope (Holding U.S.) LLC | United States | |
Tuboscope Brandt de Venezuela S.A. | Venezuela | |
Tuboscope Norge AS | Norway | |
Tuboscope Pipeline Services Inc. | United States | |
Tuboscope Services, L.L.C. | United States | |
Tuboscope Servicios de Bolivia S.R.L. | Bolivia | |
Tuboscope Vetco (Deutschland) GmbH | Germany | |
Tuboscope Vetco (France) SAS | France | |
Tuboscope Vetco (Osterreich) GmbH | Austria | |
Tuboscope Vetco Canada ULC | Canada | |
Tuboscope Vetco Capital Limited | United Kingdom | |
Tuboscope Vetco de Argentina S.A. | Argentina | |
Tuboscope Vetco Moscow CJSC | Russian Federation | |
Tucom Composites Polyester Sanayi Ticaret Ltd. | Turkey | |
TVI Holdings, L.L.C. | United States | |
Varco BJ BV | Netherlands | |
Varco Canada ULC | Canada | |
Varco CIS, LLC | Russian Federation | |
Varco do Brasil Ltda. | Brazil | |
Varco Holdings Canada ULC | Canada |
8
Name | State or Country of Incorporation | |
Varco I/P, Inc. | United States | |
Varco Internacional do Brasil Equipamentos Ltda. | Brazil | |
Varco International de Venezuela, C.A. | Venezuela | |
Varco UK Acquisitions Limited | United Kingdom | |
Varco US Finance, Inc. | United States | |
Varco US Holdings LLC | United States | |
Varco, L.P. | United States | |
Vetco Coating GmbH | Germany | |
Vetco Enterprise GmbH | Switzerland | |
Vetco Pipeline Services, Inc. | United States | |
Vetco Saudi Arabia Ltd. | Saudi Arabia | |
Vetco Services Sendirian Berhad | Brunei Darussalam | |
Visible Assets, Inc. | United States | |
voestalpine Middle East Free Zone Establishment | United Arab Emirates | |
voestalpine Tubulars Corporation | United States | |
voestalpine Tubulars Gmbh | Austria | |
voestalpine Tubulars GmbH & Co KG | Austria | |
Woolley, Inc. | United States | |
WTG Holding US, Inc. | United States | |
XL Systems Antilles, N.V. | Netherlands | |
XL Systems Europe B.V. | Netherlands | |
XL Systems International, Inc. | United States | |
XL Systems, L.P. | United States |
9