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Exhibit 21.1 |
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SUBSIDIARIES OF THE REGISTRANT |
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Name |
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State or Country of Incorporation |
Acker Holdings LLC |
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United States |
Advanced Wirecloth, S. de R.L. de C.V. |
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Mexico |
AF Global FZE |
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United Arab Emirates |
Ameron B.V. |
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Netherlands |
Ameron International Corporation |
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United States |
Ameron Singapore Holding, LLC |
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United States |
APL Norway AS |
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Norway |
Arabian Rig Manufacturing Company |
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Saudi Arabia |
ASEP Otomotiv Sanayi Ticaret Ltd. |
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Turkey |
Big Red Tubulars Limited |
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Virgin Islands, British |
Bondstrand Ltd. |
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Saudi Arabia |
Chemineer, Inc. |
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United States |
Coil Services Middle East LLC |
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United Arab Emirates |
Coöperatie Intelliserv Holding U.A. |
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Netherlands |
Coöperatie NOV NL U.A. |
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Netherlands |
Environmental Procedures LLC |
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United States |
Extract Companies, LLC |
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United States |
Extract Production Services, LLC |
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United States |
Extract Surface Systems, LLC |
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United States |
Fiber Glass Systems (Qingdao) Composite Piping Co., Ltd. |
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China |
Fiber Glass Systems Oman L.L.C. |
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Oman |
Fiber Glass Systems, L.P. |
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United States |
Fibra Ingenieria y Construccion S.A. |
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Chile |
Fjords Processing France SAS |
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France |
Fjords Processing Korea Co. Ltd. |
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Korea, Republic of |
Fjords Processing Limited [dormant - in strike-off process] |
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United Kingdom |
Fjords Processing Middle East DMCC |
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United Arab Emirates |
Fortress Downhole Tools, LLC |
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United States |
GPEX, L.P. |
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United States |
Grant Prideco (Singapore) Pte Ltd |
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Singapore |
Grant Prideco de Venezuela, S.A. |
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Venezuela, Bolivarian Republic of |
Grant Prideco III C. V. |
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Netherlands |
Grant Prideco Jersey Limited |
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Delaware |
Grant Prideco Mauritius Limited |
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Mauritius |
Grant Prideco Netherlands B.V. |
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Netherlands |
Grant Prideco, Inc. |
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United States |
Grant Prideco, S. de R.L. de C.V. |
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Mexico |
GustoMSC B.V. |
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Netherlands |
Hebei Huayouyiji Tuboscope Coating Co., Ltd. |
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China |
Hellenes Limited |
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United Kingdom |
Hydralift AmClyde, Inc. |
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United States |
Intelliserv GP Holdings LLC |
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United States |
Intelliserv International Holding, Ltd |
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Cayman Islands |
IntelliServ Norway AS |
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Norway |
Intelliserv, Inc. |
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United States |
Intelliserv, LLC |
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United States |
Keystone Tower Systems, Inc. |
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United States |
KTS Texas #1, LLC |
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United States |
Midsund Bruk AS |
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Norway |
Mono Group Pension Trustees Limited |
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United Kingdom |
Mono Pumps New Zealand Company |
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New Zealand |
Moyno, Inc. |
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United States |
National Oilwell (U.K.) Limited |
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United Kingdom |
National Oilwell Algerie |
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Algeria |
National Oilwell de Venezuela, C.A. |
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Venezuela, Bolivarian Republic of |
National Oilwell Varco (Beijing) Investment Management Co. Ltd. |
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China |
National Oilwell Varco (Thailand) Ltd. |
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Thailand |
National Oilwell Varco Algeria |
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Algeria |
National Oilwell Varco Almansoori Services |
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United Arab Emirates |
National Oilwell Varco Bahrain WLL |
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Bahrain |
National Oilwell Varco Belgium SA |
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Belgium |
National Oilwell Varco de Bolivia S.R.L. |
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Bolivia |
National Oilwell Varco de Chile - Servicios Limitada |
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Chile |
National Oilwell Varco Denmark I/S |
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Denmark |
National Oilwell Varco do Brasil Ltda. |
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Brazil |
National Oilwell Varco Egypt LLC |
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Egypt |
National Oilwell Varco Eurasia, LLC |
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Russian Federation |
National Oilwell Varco Guyana Inc. |
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Guyana |
National Oilwell Varco Hungary Limited Liability Company |
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Hungary |
National Oilwell Varco Korea Co., Ltd. |
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Korea, Republic of |
National Oilwell Varco MSW S.A. |
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Argentina |
National Oilwell Varco Muscat SPC |
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Oman |
National Oilwell Varco Norway AS |
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Norway |
National Oilwell Varco Peru S.R.L. |
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Peru |
National Oilwell Varco Petroleum Equipment (Shanghai) Co., Ltd. |
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China |
National Oilwell Varco Poland Sp.z.o.o. |
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Poland |
National Oilwell Varco Pte. Ltd. |
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Singapore |
National Oilwell Varco Romania S.R.L. |
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Romania |
National Oilwell Varco Solutions, S.A. de C.V. |
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Mexico |
National Oilwell Varco UK Limited |
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United Kingdom |
National Oilwell Varco Ukraine LLC |
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Ukraine |
National Oilwell Varco, L.P. |
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United States |
NOV - Oil Services Angola, LDA. |
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Angola |
NOV (Asia) Inc. [In liquidation] |
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Mauritius |
NOV (Barbados) Holding SRL |
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Barbados |
NOV (Barbados) SRL [In liquidation] |
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Barbados |
NOV (Caymans), Ltd. |
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Cayman Islands |
NOV (Jiangsu) Energy Equipment Limited |
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China |
NOV (Malaysia) Sdn. Bhd. [in liquidation] |
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Malaysia |
NOV Africa Pty Ltd |
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South Africa |
NOV APL Limited |
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Cyprus |
NOV Australia Pty Ltd |
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Australia |
NOV Azerbaijan LLC |
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United States |
NOV Brandt Europe France |
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France |
NOV Brandt Oilfield Services Middle East LLC |
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United Arab Emirates |
NOV Canada ULC |
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Canada |
NOV CAPS Pte. Ltd. |
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Singapore |
NOV Completion and Production Solutions Korea Ltd. |
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Korea, Republic of |
NOV Completion Tools LLC |
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Russian Federation |
NOV Denmark Coöperatief U.A. |
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Netherlands |
NOV Digital Technologies Private Limited |
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India |
NOV Doha Energy Trading and Services LLC |
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Qatar |
NOV Doha Factory for Metal Products LLC |
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Qatar |
NOV Downhole Argentina, LLC |
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United States |
NOV Downhole Eurasia Limited |
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United Kingdom |
NOV Downhole Italia S.R.L. |
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Italy |
NOV Downhole KZ, LLP |
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Kazakhstan |
NOV Downhole Malaysia Sdn. Bhd. [in liquidation] |
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Malaysia |
NOV Elmar (Middle East) Limited |
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United Kingdom |
NOV Energy Kuwait for Maintenance of Oil Facilities, Wells, Refineries and Petrochemicals SPC |
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Kuwait |
NOV Energy Mexico, S. de R.L. De C.V. |
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Mexico |
NOV Equipment Manufacturing Sole Proprietorship LLC |
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United Arab Emirates |
NOV Eurasia Holding LLC |
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United States |
NOV Expatriate Services, Inc. |
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United States |
NOV FGS Malaysia Sdn Bhd |
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Malaysia |
NOV FGS Singapore (Pte.) Ltd |
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Singapore |
NOV Flexibles Equipamentos E Servicos Ltda. |
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Brazil |
NOV France SAS |
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France |
NOV Gabon SARL |
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Gabon |
NOV GEO LP1 LLC |
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United States |
NOV GEO LP2 LLC |
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United States |
NOV Germany GmbH |
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Germany |
NOV Germany Holding GmbH |
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Germany |
NOV Ghana Limited |
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Ghana |
NOV Grant Prideco L.L.C. |
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United Arab Emirates |
NOV Holding Danmark ApS |
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Denmark |
NOV Holding UK 1 Limited |
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United Kingdom |
NOV Holding UK 2 Limited |
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United Kingdom |
NOV Holdings B.V. |
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Netherlands |
NOV India Private Limited |
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India |
NOV Intelliserv UK Limited |
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United Kingdom |
NOV International Holding LLC |
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United States |
NOV Kenya Limited |
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Kenya |
NOV Kostroma LLC |
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Russian Federation |
NOV Kuwait Light & Heavy Equipment Repairing & Maintenance Co. |
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Kuwait |
NOV Mexico Holding LLC |
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United States |
NOV MFG India Private Limited |
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India |
NOV Middle East FZE |
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United Arab Emirates |
NOV Middle East Oil and Gas Wells Equipments and Devices LLC |
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United Arab Emirates |
NOV Mozambique Limitada |
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Mozambique |
NOV NL Mexico Holding B.V. |
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Netherlands |
NOV Oil & Gas Services Egypt (S.A.E) |
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Egypt |
NOV Oil & Gas Services Sénégal S.A.R.L. |
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Senegal |
NOV Oil & Gas Services Uganda Limited |
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Uganda, Republic of |
NOV Oil and Gas Services Ghana Limited |
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Ghana |
NOV Oil and Gas Services Namibia (Proprietary) Limited |
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Namibia |
NOV Oil and Gas Services Nigeria Limited |
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Nigeria |
NOV Oil and Gas Services South Africa (Pty) Limited |
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South Africa |
NOV Oilfield Services Tanzania Limited |
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Tanzania, United Republic of |
NOV Oilfield Services Vostok LLC |
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Russian Federation |
NOV Oilfield Solutions Ltd. |
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Nigeria |
NOV Park II B.V. |
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Netherlands |
NOV Process & Flow Technologies AS |
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Norway |
NOV Process & Flow Technologies Malaysia Sdn. Bhd. |
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Malaysia |
NOV Process & Flow Technologies UK Limited |
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United Kingdom |
NOV Products Middle East FZE |
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United Arab Emirates |
NOV QFZ LLC |
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Qatar |
NOV Rig Solutions Pte. Ltd. |
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Singapore |
NOV Romania, LLC |
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United States |
NOV Saudi Arabia Co. Ltd. |
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Saudi Arabia |
NOV Saudi Arabia Trading Co. |
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Saudi Arabia |
NOV Services Ltd. |
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Cayman Islands |
NOV Shared Services Mexico, S. de R.L. de C.V. |
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Mexico |
NOV Tuboscope Italia S.R.L. |
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Italy |
NOV Tuboscope NL B.V. |
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Netherlands |
NOV Tubulars and Connectors Ltd. |
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Nigeria |
NOV UK Holdings LLC |
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United States |
NOV UK Korea LP |
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United Kingdom |
NOV Wellbore Technologies do Brasil Equipamentos E Serviços Ltda. |
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Brazil |
NOV Wellbore Technologies Norway LLC |
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United States |
NOV Wellsite Services Germany GmbH |
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Germany |
NOV Worldwide B.V. |
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Netherlands |
NOV-BLM SAS |
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France |
NOVM Holding LLC |
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United States |
NOW International LLC |
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United States |
NOW Oilfield Services, LLC |
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United States |
NQL Holland B.V. |
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Netherlands |
Pesaka Inspection Services SDN.BHD. |
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Malaysia |
Pipex Limited |
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United Kingdom |
PT Fjords Processing Indonesia |
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Indonesia |
PT H-Tech Oilfield Equipment |
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Indonesia |
PT Managed Pressure Operations |
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Indonesia |
PT National Oilwell Varco |
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Indonesia |
PT NOV Oilfield Services |
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Indonesia |
PT Profab Indonesia |
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Indonesia |
R&M Energy Systems de Venezuela, C.A. |
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Venezuela, Bolivarian Republic of |
R&M Singapore Holding LLC |
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United States |
RE.MAC.UT. S.R.L. |
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Italy |
ReedHycalog International Holding, LLC |
|
United States |
ReedHycalog UK Limited |
|
United Kingdom |
ReedHycalog, L.P. |
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United States |
RHI Holding LLC |
|
United States |
Robannic Overseas Finance VBA |
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Aruba |
Robbins & Myers B.V. |
|
Netherlands |
Robbins & Myers Holdings, LLC |
|
United States |
Robbins & Myers Italia S.R.L. |
|
Italy |
Robbins & Myers N.V. |
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Curacao |
Robbins & Myers, Inc. |
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United States |
STAR Sudamtex Tubulares S.A. |
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Venezuela, Bolivarian Republic of |
Subseaflex Holding ApS |
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Denmark |
T-3 Energy Services Cayman Holdings, Ltd. |
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Cayman Islands |
T-3 Energy Services Cayman, Ltd. |
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Cayman Islands |
T-3 Energy Services, LLC |
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United States |
Telluride Insurance Limited |
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Bermuda |
Tianjin Grant TPCO Drilling Tools Company Limited |
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China |
Tuboscope & Co. LLC |
|
Oman |
Tuboscope (Holding U.S.) LLC |
|
United States |
Tuboscope Brandt de Venezuela, S.A. |
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Venezuela, Bolivarian Republic of |
Tuboscope Norge AS |
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Norway |
Tuboscope Vetco (France) SAS |
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France |
Tuboscope Vetco (Österreich) GmbH |
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Austria |
Tuboscope Vetco Capital Limited |
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United Kingdom |
Tuboscope Vetco de Argentina S.A. |
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Argentina |
Tuboscope Vetco Moscow CJSC |
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Russian Federation |
Tubular Coatings Solutions Ltd. |
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Saudi Arabia |
Tucom Composites Polyester Sanayi Ticaret Ltd. |
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Turkey |
Varco BJ B.V. |
|
Netherlands |
Varco CIS, LLC |
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Russian Federation |
Varco International de Venezuela, C.A. |
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Venezuela, Bolivarian Republic of |
Varco US Holdings LLC |
|
United States |
Varco, L.P. |
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United States |
Vetco Enterprise GmbH |
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Switzerland |
Vetco Saudi Arabia Ltd. |
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Saudi Arabia |
Visible Assets, Inc. |
|
United States |
voestalpine Tubulars Corporation |
|
United States |
voestalpine Tubulars GmbH |
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Austria |
voestalpine Tubulars GmbH & Co KG |
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Austria |
Woolley, Inc. |
|
United States |
XL Systems Antilles, N.V. |
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Curacao |
XL Systems Europe B.V. |
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Netherlands |