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 |
Algoa Oil & Pipeline Services Proprietary Limited |
| South Africa |
American Pipe and Construction International |
| United States |
Ameron Holdings Pte. Ltd. |
| Singapore |
Ameron International Corporation |
| United States |
Ameron Pole Products LLC |
| United States |
Ameron Polyplaster Industria E Comercio de Tubos Ltda. |
| Brazil |
Ameron Singapore Holding, LLC |
| United States |
Ameron Singapore Poly Holdings Pte. Ltd. |
| Singapore |
Ameron Trading Holdings Pte. Ltd. |
| Singapore |
Andergauge Limited |
| United Kingdom |
Andergauge Redback, LLC |
| United States |
Andergauge USA, Inc. |
| United States |
APL do Brasil Ltda. |
| Brazil |
APL France SAS |
| France |
APL Management Pte Ltd |
| Singapore |
APL Norway AS |
| Norway |
APL Technology AS |
| Norway |
Arabian Land Rig Manufacturing Company |
| Saudi Arabia |
ASEP Group Holding B.V. |
| Netherlands |
ASEP Otomotiv Sanayi Ticaret Ltd. |
| Turkey |
Aswan National Oilwell Varco LLC |
| United Arab Emirates |
Axiom Process Limited |
| United Kingdom |
Big Red Tubulars Limited |
| Virgin Islands, British |
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 (M) Sdn. Bhd. |
| Malaysia |
C.M.A. Canavera S.R.L. |
| Italy |
Camco Drilling Group Limited |
| United Kingdom |
Chemineer, Inc. |
| United States |
CJSC Fidmash |
| Belarus |
CJSC Novmash |
| Belarus |
Coil Services Middle East LLC |
| United Arab Emirates |
Cooperatie Intelliserv Holding U.A. |
| Netherlands |
Cooperatie NOV NL U.A. |
| Netherlands |
CSI Inspection, LLC |
| United States |
Danco AS |
| Norway |
Devin International, Inc. |
| United States |
Dreco Canada L.P. |
| Canada |
Dreco DHT Holding B.V. |
| Netherlands |
Name |
| State or Country of Incorporation |
| United States | |
Dreco Eastern Europe ULC |
| Canada |
Dreco Energy Holding B.V. |
| Netherlands |
Dreco Energy NL Cooperatief U.A. |
| Netherlands |
Dreco Energy Services ULC |
| Canada |
Dreco International Holdings ULC |
| Canada |
Dreco LLC |
| United States |
E.C. Motors, Inc. |
| United States |
Elmar Far East Pty Ltd |
| Australia |
Enerpro de Mexico, S.A. de C.V. |
| Mexico |
Environmental Procedures LLC |
| United States |
Fiber Glass System (Suzhou) Co. Ltd. |
| China |
Fiber Glass Systems (Qingdao) Composite Piping 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 |
Fjords Processing (Shanghai) Co., Ltd. |
| China |
Fjords Processing 1 AS |
| Norway |
Fjords Processing Australia Pty Ltd |
| Australia |
Fjords Processing Canada ULC |
| Canada |
Fjords Processing Colombia S.A.S. |
| Colombia |
Fjords Processing France SAS |
| France |
Fjords Processing Korea Co. Ltd. |
| Korea, Republic of |
Fjords Processing Limited |
| United Kingdom |
Fjords Processing Middle East DMCC |
| United Arab Emirates |
Fjords Processing UK Ltd. |
| United Kingdom |
Fryma S.a.r.l. |
| France |
German Oil Tools (Middle East) FZE |
| United Arab Emirates |
GOT German Oil Tools GmbH |
| Germany |
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 de Venezuela, S.A. |
| Venezuela, Bolivarian Republic of |
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 |
Grant Prideco Jersey Limited |
| Jersey Island |
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 |
Name |
| State or Country of Incorporation |
| Australia | |
GustoMSC B.V. |
| Netherlands |
GustoMSC Midco B.V. |
| Netherlands |
GustoMSC Projects 1 B.V. |
| Netherlands |
GustoMSC Projects 2 B.V. |
| Netherlands |
GustoMSC Resources B.V. |
| Netherlands |
GustoMSC U.S., Inc. |
| United States |
Hebei Huayouyiji Tuboscope Coating Co., Ltd. |
| China |
Hitec AS |
| Norway |
Hydralift AmClyde, Inc. |
| United States |
Hydralift France SAS |
| France |
Hydralift Holdings UK Limited |
| United Kingdom |
Hydra-Rig, Inc. |
| United States |
Inspecciones y Pruebas No Destructivas, S. de R.L. de C.V. |
| Mexico |
Intellipipe, Inc. |
| United States |
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 |
MDT OFS Inc. |
| Unites States |
Merpro Americas, Inc. |
| United States |
Merpro Group Limited |
| United Kingdom |
Merpro Products Limited |
| United Kingdom |
Merpro Tortek Limited |
| United Kingdom |
Midsund Bruk AS |
| Norway |
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, Bolivarian Republic of |
National Oilwell DHT, L.P. |
| United States |
National Oilwell Middle East Company |
| Canada |
National Oilwell Services de Mexico, S.A. de C.V. |
| Mexico |
National Oilwell Varco (Beijing) Investment Management Co. Ltd. |
| China |
National Oilwell Varco (Thailand) Ltd. |
| Thailand |
National Oilwell Varco Algeria EURL |
| Algeria |
National Oilwell Varco Almansoori Services |
| United Arab Emirates |
National Oilwell Varco Bahrain WLL |
| Bahrain |
National Oilwell Varco Belgium SA |
| Belgium |
National Oilwell Varco de Bolivia S.R.L. |
| Bolivia |
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 Egypt LLC |
| Egypt |
Name |
| State or Country of Incorporation |
| Russian Federation | |
National Oilwell Varco Guatemala, Limitada |
| Guatemala |
National Oilwell Varco Guyana Inc. |
| Guyana |
National Oilwell Varco Holdings LLC |
| United States |
National Oilwell Varco Hungary Limited Liability Company |
| Hungary |
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 Poland Sp.z.o.o. |
| Poland |
National Oilwell Varco Pte. Ltd. |
| Singapore |
National Oilwell Varco Rig Equipment Trading (Shanghai) Co., Ltd. |
| China |
National Oilwell Varco Romania S.R.L. |
| Romania |
National Oilwell Varco Sdn Bhd |
| Brunei Darussalam |
National Oilwell Varco Solutions, S.A. de C.V. |
| Mexico |
National Oilwell Varco UK Limited |
| United Kingdom |
National Oilwell Varco Ukraine LLC |
| Ukraine |
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 B.V. |
| Netherlands |
NOV - Oil Services Angola, LDA. |
| Angola |
NOV (Asia), Inc. |
| Mauritius |
NOV (Barbados) Holding SRL |
| Barbados |
NOV (Barbados) SRL |
| Barbados |
NOV (Caymans), Ltd. |
| Cayman Islands |
NOV (Malaysia) Sdn. Bhd. |
| Malaysia |
NOV Africa Pty Ltd |
| South Africa |
NOV APL Limited |
| Cyprus |
NOV ASEP Elmar Mexico, S.de R.L. de C.V. |
| Mexico |
NOV Australia Pty Ltd |
| Australia |
NOV Azerbaijan LLC |
| United States |
NOV Brandt Europe France |
| France |
NOV Brandt Oilfield Services Middle East LLC |
| United Arab Emirates |
NOV Completion and Production Solutions Korea Ltd. |
| Korea, Republic of |
NOV Completion Tools AS |
| Norway |
NOV Completion Tools LLC |
| Russian Federation |
NOV Condor, LLC |
| United States |
NOV CV1 GP LLC |
| United States |
NOV CV2 GP LLC |
| United States |
NOV Denmark Cooperatief U.A. |
| Netherlands |
NOV DH de Mexico, S. de R.L. de C.V. |
| Mexico |
NOV DHT Canada Holding ULC |
| Canada |
NOV Downhole Argentina, LLC |
| United States |
NOV Downhole Bolivia S.R.L. |
| Bolivia |
NOV Downhole Colombia, LLC |
| United States |
NOV Downhole Comercialização de Equipamentos para Petroleo Ltda. |
| Brazil |
Name |
| State or Country of Incorporation |
| United States | |
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 Pty Ltd |
| Australia |
NOV Downhole Thailand, LLC |
| United States |
NOV Dreco GP LLC |
| United States |
NOV EAST B.V. |
| Netherlands |
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 Malaysia 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 Floating Production AS |
| Norway |
NOV Fluid Control B.V. |
| Netherlands |
NOV Gabon SARL |
| Gabon |
NOV GEO GP LLC |
| United States |
NOV GEO LP1 C.V. |
| Netherlands |
NOV GEO LP2 C.V. |
| Netherlands |
NOV Germany Holding GmbH |
| Germany |
NOV Ghana Limited |
| Ghana |
NOV GP Holding, L.P. |
| United States |
NOV GP Sub LLC |
| United States |
NOV GP1 Holding LLC |
| United States |
NOV Grant Prideco Drilling Products Middle East FZE |
| United Arab Emirates |
NOV Grant Prideco L.L.C. |
| United Arab Emirates |
NOV Holding Danmark ApS |
| Denmark |
NOV Holding Germany GmbH & Co KG |
| Germany |
NOV Holding Germany Management GmbH |
| Germany |
NOV Holdings B.V. |
| Netherlands |
NOV Hydra Rig Pte. Ltd |
| Singapore |
NOV India Private Limited |
| India |
NOV Intelliserv UK Limited |
| United Kingdom |
NOV International Holding B.V. |
| Netherlands |
NOV International Holdings C.V. |
| Netherlands |
NOV International Holdings GP LLC |
| United States |
NOV Intervention and Stimulation Equipment – Aftermarket Comércio de Equipamentos e Serviços Ltda. |
| Brazil |
NOV Kenya Limited |
| Kenya |
Name |
| State or Country of Incorporation |
| Russian Federation | |
NOV Mexico Holding LLC |
| United States |
NOV Middle East FZCO |
| United Arab Emirates |
NOV Mission Products UK Limited |
| United Kingdom |
NOV Mozambique Limitada |
| Mozambique |
NOV Netherlands Finance Holding C.V. |
| Netherlands |
NOV Netherlands Finance Holding LLC |
| United States |
NOV North America I/P, LLC |
| United States |
NOV Norway 1 Holding LLC |
| United States |
NOV Oil & Gas Services Uganda Limited |
| Uganda, Republic of |
NOV Oil and Gas Services Ghana Limited |
| Ghana |
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, United Republic of |
NOV Oilfield Services Vostok LLC |
| Russian Federation |
NOV Oilfield Solutions Ltd. |
| Nigeria |
NOV Park I B.V. |
| Netherlands |
NOV Park II B.V. |
| Netherlands |
NOV Process & Flow Technologies AS |
| Norway |
NOV Process & Flow Technologies Malaysia Sdn. Bhd. |
| Malaysia |
NOV Process & Flow Technologies Pte. Ltd. |
| Singapore |
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. |
| Saudi Arabia |
NOV Services Ltd. |
| Cayman Islands |
NOV Servicios de Personal Mexico, S. de R.L. de C.V. |
| Mexico |
NOV Subsea Products AS |
| Norway |
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 Wellbore Technologies Norway LLC |
| United States |
NOV Wellsite Services Germany GmbH |
| Germany |
NOV West B.V. |
| Netherlands |
NOV Worldwide C.V. |
| Netherlands |
NOV-BLM SAS |
| France |
NOVM Holding LLC |
| United States |
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 |
Name |
| State or Country of Incorporation |
| United States | |
NQL (US) LLC |
| United States |
NQL Energy Services US, Inc. |
| United States |
NQL Holland B.V. |
| Netherlands |
Pesaka Inspection Services SDN.BHD. |
| Malaysia |
Pipex 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 |
PT Fjords Processing Indonesia |
| Indonesia |
PT H-Tech Oilfield Equipment |
| Indonesia |
PT National Oilwell Varco |
| Indonesia |
PT NOV Oilfield Services |
| Indonesia |
PT PROFAB INDONESIA |
| Indonesia |
Quality Tubing FSC |
| Virgin Islands, British |
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, Bolivarian Republic of |
R&M Environmental Strategies, Inc. |
| United States |
R&M Singapore Holding LLC |
| United States |
R&M UK Holding LLC |
| United States |
RE.MAC.UT. S.r.l. |
| Italy |
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 |
ReedHycalog UK Limited |
| United Kingdom |
ReedHycalog, L.P. |
| United States |
ReedHycalog, LLC |
| United States |
RHI Holding LLC |
| United States |
Robannic Overseas Finance A.V.V. |
| Aruba |
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 |
Robbins & Myers Italia S.R.L. |
| Italy |
Robbins & Myers N.V. |
| Curacao |
Robbins & Myers, Inc. |
| United States |
Rodic, S.A. de C.V. |
| Mexico |
Romaco S.a.r.l. |
| France |
Screen Manufacturing Company Unlimited |
| Trinidad and Tobago |
Seabox AS |
| Norway |
Name |
| State or Country of Incorporation |
| United Kingdom | |
Smart Drilling GmbH |
| Germany |
Soil Recovery A/S |
| Denmark |
Star Fiberglass Harbin Co., Ltd. |
| China |
STAR Sudamtex Tubulares S.A. |
| Venezuela, Bolivarian Republic of |
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 |
Telluride Insurance Limited |
| Bermuda |
Tianjin Grant Prideco TPCO Oilfield Drilling Products Co., Ltd. |
| China |
Tianjin Grant TPCO Drilling Tools Company Limited |
| China |
TracID, Inc. |
| United States |
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, Bolivarian Republic of |
Tuboscope Norge AS |
| Norway |
Tuboscope Pipeline Services Inc. |
| United States |
Tuboscope Services, L.L.C. |
| United States |
Tuboscope Vetco (Deutschland) GmbH |
| Germany |
Tuboscope Vetco (France) SAS |
| France |
Tuboscope Vetco (Österreich) 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 |
Tubular Coatings Solutions Ltd. |
| Saudi Arabia |
Tucom Composites Polyester Sanayi Ticaret Ltd. |
| Turkey |
TVI Holdings, L.L.C. |
| United States |
Vallourec Drilling Oil Equipment Manufacturing L.L.C. |
| United Arab Emirates |
Varco BJ B.V. |
| Netherlands |
Varco Canada ULC |
| Canada |
Varco CIS, LLC |
| Russian Federation |
Varco I/P, Inc. |
| United States |
Varco Internacional do Brasil Equipamentos E Servicos Ltda. |
| Brazil |
Varco International de Venezuela, C.A. |
| Venezuela, Bolivarian Republic of |
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 |
Name |
| State or Country of Incorporation |
| 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 |
XL Systems Antilles, N.V. |
| Curacao |
XL Systems Europe B.V. |
| Netherlands |
XL Systems International, Inc. |
| United States |
XL Systems, L.P. |
| United States |