Exhibit 21.1
SUBSIDIARIES OF THE REGISTRANT
State or Country of | ||
Name | Incorporation | |
Advanced Wirecloth, Inc. | Louisiana | |
Amclyde UK Limited | United Kingdom | |
Bowen Downhole LLC | Delaware | |
Bowen Downhole, Inc. | Delaware | |
Brandt Energy Environmental, L.P. | Texas | |
Brandt Interests, Inc. | Delaware | |
Brandt Oilfield Services (M) Sdn. Bhd. | Malaysia | |
Brandt Servicios Petroleros S.A. | Peru | |
Chargewood Limited | United Kingdom | |
Church Oil Tools, Inc. | Texas | |
Coil Services (North Sea) Limited | United Kingdom | |
Corlac Equipment Corp | Barbados | |
CTES, L.P. | Texas | |
Dreco DHT, Inc. | Delaware | |
Dreco Eastern Europe Ltd. | Canada | |
Dreco Energy Services Ltd. | Canada | |
Dreco International Finance (Barbados) Ltd. | Barbados | |
Dreco International Holdings Ltd. | Canada | |
Dreco LLC | Delaware | |
Drexel Oilfield Services (Middle East) L.L.C. | United Arab Emirates | |
Elmar Casing Limited | United Kingdom | |
Elmar Engineering Limited | United Kingdom | |
Elmar Far East Pty Ltd | Australia | |
Elmar Rental Limited | United Kingdom | |
Elmar Screens Limited | United Kingdom | |
Elmar Services (Middle East) Limited | United Kingdom | |
Elmar Services Limited | United Kingdom | |
Elmar Services Pty Ltd | Australia | |
Enaco Mudcat Systems Limited | United Kingdom | |
Enaco PLC | United Kingdom | |
Environmental Procedures Inc. | Delaware | |
Fiber Glass Systems Holdings, LLC | Delaware | |
Fiber Glass Systems, L.P. | Texas | |
Griffith Downhole Products GmbH | Germany | |
Harbin Star Fiberglass Ltd. | China | |
Herramientas Varco, S.A. de C.V. | Mexico | |
HITEC AS | Norway | |
Hydra Rig UK Limited | United Kingdom | |
Hydralift Amclyde, Inc. | Delaware | |
Hydralift AS | Norway | |
Hydralift BLM SA | France | |
Hydralift France SAS | France | |
Hydralift Holding UK Ltd. | United Kingdom | |
Hydra-Rig, Inc. | Delaware | |
Industrias National Supply C.A. | Venezuela | |
Inspecciones y Pruebas No Destructivs, S.A. de C.V. | Mexico | |
Lanzhou LS-National Oilwell Petroleum Engineering Co. Ltd. | China | |
Linalog Limited | United Kingdom | |
LLTT, Ltd. | Trinidad And Tobago | |
LSI Asia Pacific Pte. Ltd. | Singapore | |
M.S.D. de Venezuela, C.A. | Venezuela | |
Molde Produksjonssenter AS | Norway |
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State or Country of | ||
Name | Incorporation | |
Mono Group | United Kingdom | |
Mono Group Pensions Trustees Limited | United Kingdom | |
Mono Pumps (Australia) Proprietary Limited | Australia | |
Mono Pumps Ltd. | United Kingdom | |
Mono Pumps New Zealand Limited | New Zealand | |
Morinoak International Limited | United Kingdom | |
Mud Rentals Limited | United Kingdom | |
National Oilwell (U.K.) Limited | United Kingdom | |
National Oilwell Algerie | Algeria | |
National Oilwell de Mexico S.A. de C.V. | Mexico | |
National Oilwell de Venezuela, C.A. | Venezuela | |
National Oilwell DHT, LP | Delaware | |
National Oilwell do Brasil LTDA | Brazil | |
National Oilwell France S.A.R.L. | France | |
National Oilwell Middle East Company | Canada | |
National Oilwell Norway AS | Norway | |
National Oilwell Nova Scotia Company | Canada | |
National Oilwell Ontario, LLC | Delaware | |
National Oilwell Services de Mexico, S.A. de C.V. | Mexico | |
National Oilwell Sogne AS | Norway | |
National Oilwell Varco International Trading (Shanghai) Co., Ltd. | China | |
National Oilwell Varco Petroleum Equipment (Shanghai) Co., Ltd. | China | |
National Oilwell Varco, L.P. | Delaware | |
National Oilwell-Netherlands B.V. | Netherlands | |
National Oilwlell Poland S.p.z.o.o. | Poland | |
National-Oilwell Canada Ltd. | Canada | |
National-Oilwell Pte. Ltd. | Singapore | |
National-Oilwell Pty. Ltd. | Australia | |
Natoil LLC | Delaware | |
Natoil, Inc. | Delaware | |
NOW (Barbados) SRL | Barbados | |
NOW (China), Inc. | Mauritius | |
NOW Canada, L.P. | Canada | |
NOW Downhole Tools, Inc. | Delaware | |
NOW International Nova Scotia Company | Canada | |
NOW International, Inc. | Delaware | |
NOW Nova Scotia Holdings, Inc. | Delaware | |
NOW Oilfield Services, Inc. | Delaware | |
Pesaka Inspection Services SDN.BHD. | Malaysia | |
Pressure Control Engineering Limited | United Kingdom | |
Procon Engineering Ltd. | United Kingdom | |
PT National Oilwell Indonesia | Indonesia | |
Recovery Systems Limited | United Kingdom | |
Remediation Management Services, L. C. | Texas | |
Rig Technology Limited | United Kingdom | |
Russell Sub-Surface Systems, Ltd. | United Kingdom | |
S.S.R. (International) Limited | United Kingdom | |
Screen Manufacturing Co. Ltd. | Trinidad And Tobago | |
Servicios Tubulares TT, S.A. de C.V. | Mexico | |
Servizi Ispettivi s.r.l. | Italy | |
Shaffer India Private Limited | India | |
Shanghai NOW-LS Engineering Consulting Co. Ltd. | China | |
Smart Screen Systems, Inc. | Minnesota | |
Specialty Tools Limited | United Kingdom | |
STAR Sudamtex Tubulares S.A. (Joint Venture) | Venezuela | |
Texas Oil Tools, Inc. | Nevada | |
The Brandt Company (U.K.) Limited | United Kingdom | |
The Brandt Company de Argentina S.A. | Argentina | |
TS&M Supply | Canada | |
TS&M Supply — Ontario | Canada |
76
State or Country of | ||
Name | Incorporation | |
TS&M Technical Sales & Maintenance Company | Canada | |
Tube-Kote, Inc. | Texas | |
Tubo-FGS, L.L.C. | Delaware | |
Tuboscope (Holding U.S.) Inc. | Delaware | |
Tuboscope (Thailand) Ltd. | Thailand | |
Tuboscope Brandt de Colombia | Colombia | |
Tuboscope Brandt de Venezuela C.A. | Venezuela | |
Tuboscope Canada | Canada | |
Tuboscope Holdings Limited | United Kingdom | |
Tuboscope Holdings UK Ltd. | United Kingdom | |
Tuboscope Mexico, S.A. de C.V. | Mexico | |
Tuboscope Norge AS | Norway | |
Tuboscope Pipeline Services Canada Inc. | Canada | |
Tuboscope Pipeline Services Inc. | Texas | |
Tuboscope Pipeline Services Limited | United Kingdom | |
Tuboscope Services, L.L.C. | Delaware | |
Tuboscope Servicios de Bolivia S.A. | Bolivia | |
Tuboscope Vetco (Deutschland) GmbH | Germany | |
Tuboscope Vetco (France) S.A. | France | |
Tuboscope Vetco (Osterreich) GmbH | Austria | |
Tuboscope Vetco (U.K.) Limited | United Kingdom | |
Tuboscope Vetco Canada Inc. | Canada | |
Tuboscope Vetco Captial Limited | United Kingdom | |
Tuboscope Vetco de Argentina S.A. | Argentina | |
Tuboscope Vetco do Brasil Equipamentos e Servicos Ltda. | Brazil | |
Tuboscope Vetco Mexico, S.A. de C.V. | Mexico | |
Tuboscope Vetco Moscow | Russian Federation | |
Tuboscope Vetco Nigeria Limited | Nigeria | |
Tulsa Equipment Manufacturing Company | Oklahoma | |
TVI Holdings, L.L.C. | Delaware | |
V/I Canada, Inc. | Canada | |
Varco (Beijing) Co. Ltd. | China | |
Varco (UK) Limited | United Kingdom | |
Varco Al Mansoori Services Company LLC | United Arab Emirates | |
Varco BJ BV | Netherlands | |
Varco BJ FSC Inc | Barbados | |
Varco Canada Limited | Canada | |
Varco CIS | Russian Federation | |
Varco do Brasil Ltda. | Brazil | |
Varco I/P, Inc. | Delaware | |
Varco International de Venezuela, C.A. | Venezuela | |
Varco International do Equipamentos e Servicos Ltda. | Brazil | |
Varco International Inc. Pte. Ltd. | Singapore | |
Varco International Pte. Ltd. | Singapore | |
Varco Limited | United Kingdom | |
Varco Sara (India) Private Limited | India | |
Varco Shearer Inc. | Canada | |
Varco U.S. Holdings, Inc. | Delaware | |
Varco UK Acquisitions Limited | United Kingdom | |
Varco US Finance, Inc. | Delaware | |
Varco, L.P. | Delaware | |
VCR Panama Inc. | Panama | |
Vector Oil Tool Ltd. | Canada | |
Versatech International Ltd. | Canada | |
Vetco Coating GmbH | Germany | |
Vetco Enterprise AG | Switzerland | |
Vetco Pipeline Services Ltd. | Canada | |
Vetco Pipeline Services, Inc. | Texas | |
Vetco Saudi Arabia Ltd. | Saudi Arabia | |
Vetco Services Sendirian Berhad | Brunei Darussalam |
77
State or Country of | ||
Name | Incorporation | |
Vetco Technology GmbH | Germany | |
Woolley, Inc. | Texas | |
XST Holdings, Inc. | Texas |
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