EX-21.1 3 nov-ex211_11.htm EX-21.1 nov-ex211_11.htm

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

American Pipe and Construction International

 

United States

Ameron B.V.

 

Netherlands

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

Arabian Rig Manufacturing Company

 

Saudi Arabia

ASEP Group Holding B.V.

 

Netherlands

ASEP Otomotiv Sanayi Ticaret Ltd.

 

Turkey

Axiom Process Limited

 

United Kingdom

Belco Manufacturing Company, Inc.

 

United States

Big Red Tubulars Limited

 

Virgin Islands, British

Bondstrand Ltd.

 

Saudi Arabia

Bowen Downhole LLC

 

United States

Bowen Downhole, Inc.

 

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

Containment Solutions Services, Inc.

 

United States

Containment Solutions, Inc.

 

United States

Coöperatie Intelliserv Holding U.A.

 

Netherlands

Coöperatie NOV NL U.A.

 

Netherlands

CSI Inspection, LLC

 

United States

Danco AS

 

Norway

Denali Incorporated

 

United States


Denali Management, Inc.

 

United States

Devin International, Inc.

 

United States

Dreco Canada L.P.

 

Canada

Dreco DHT, Inc.

 

United States

Dreco Eastern Europe ULC

 

Canada

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

Ershigs, Inc.

 

United States

Fabricated Plastics Acquisitions Limited

 

Canada

Fabricated Plastics Limited

 

Canada

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

Fibra Ingenieria y Construccion S.A.

 

Chile

FidService, LLC

 

Russian Federation

Fjords Processing (Shanghai) Co., Ltd.

 

China

Fjords Processing 1 AS

 

Norway

Fjords Processing Australia Pty Ltd

 

Australia

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 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

Greystone Technologies Pty. Ltd.

 

Australia

GustoMSC 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

Inspecciones y Pruebas No Destructivas, S. de R.L. de C.V.

 

Mexico

Intelliserv GP Holdings LLC

 

United States

Intelliserv International Holding, Ltd

 

Cayman Islands

IntelliServ Norway AS

 

Norway

Intelliserv, Inc.

 

United States

Intelliserv, LLC

 

United States

Interval LLC

 

Russian Federation

JiangYin Tuboscope Tubular Development Co., Ltd

 

China

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

MSI Pipe Protection Technologies Canada Limited

 

Canada

MSI Pipe Protection Technologies UK Limited

 

United Kingdom

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

 

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

National Oilwell Varco Eurasia, LLC

 

Russian Federation

National Oilwell Varco Guatemala, Limitada

 

Guatemala

National Oilwell Varco Guyana Inc.

 

Guyana

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 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

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 CV1 GP LLC

 

United States

NOV CV2 GP LLC

 

United States

NOV Denmark Coöperatief 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

NOV Downhole Congo, LLC

 

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 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 FGS Malaysia Sdn Bhd

 

Malaysia

NOV FGS Singapore (Pte.) Ltd

 

Singapore

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 GP1 Holding LLC

 

United States

NOV Grant Prideco Drilling Equipment Manufacturing LLC

 

United Arab Emirates

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 Holdings C.V.

 

Netherlands

NOV International Holdings GP LLC

 

United States

NOV Intervention & Stimulation Equipment US, LLC

 

United States

NOV Intervention and Stimulation Equipment – Aftermarket Comércio de Equipamentos e Serviços Ltda.

 

Brazil

NOV Kenya Limited

 

Kenya

NOV Kostroma LLC

 

Russian Federation

NOV Kuwait Light & Heavy Equipment Repairing & Maintenance Co.

 

Kuwait

NOV LP (Trading), LLC

 

United States

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 MSI Pipe Protection Technologies Inc.

 

United States

NOV MSI Pipe Protection Technologies Mexico, S. de R.L. de C.V.

 

Mexico

NOV Netherlands Finance Holding C.V.

 

Netherlands

NOV Netherlands Finance Holding LLC

 

United States

NOV NL Mexico Holding B.V.

 

Netherlands

NOV North America I/P, LLC

 

United States

NOV Oil & Gas Services Egypt (S.A.E)

 

Egypt

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 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 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 Tanajib Kuwait for Services and Maintenance of Oil Rigs, Refineries and Petrochemicals, W.L.L.

 

Kuwait

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 do Brasil Equipamentos E Serviços Ltda.

 

Brazil

NOV Wellbore Technologies Norway LLC

 

United States

NOV Wellsite Services Germany GmbH

 

Germany

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, LLC

 

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 Coöperatief U.A.

 

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 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

Slip Clutch Systems Limited

 

United Kingdom

Smart Drilling GmbH

 

Germany

Soil Recovery A/S

 

Denmark

STAR Sudamtex Tubulares S.A.

 

Venezuela, Bolivarian Republic of

STBH2O 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 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 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, Bolivarian Republic of

Tuboscope Machining Services AS

 

Norway

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

Varco BJ B.V.

 

Netherlands

Varco Canada ULC

 

Canada

Varco CIS, LLC

 

Russian Federation

Varco I/P, Inc.

 

United States

Varco International de Venezuela, C.A.

 

Venezuela, Bolivarian Republic of

Varco US Holdings LLC

 

United States

Varco, L.P.

 

United States

Vetco Coating GmbH

 

Germany

Vetco Enterprise GmbH

 

Switzerland

Vetco Saudi Arabia Ltd.

 

Saudi Arabia

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

XL Systems Antilles, N.V.

 

Curacao

XL Systems Europe B.V.

 

Netherlands

XL Systems International, Inc.

 

United States

XL Systems, L.P.

 

United States