Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Aberdeen Cargo Handling Services Limited United Kingdom ACN 052 291 264 Pty Ltd. Australia ACN 003 405 025 Pty. Ltd. Australia ACN 005 585 795 Pty. Ltd. Australia ACN 006 686 844 Pty Ltd Australia ACN 007 745 977 Pty Ltd Australia ACN 009 091 105 Pty Ltd. Australia Aeroporto della Provincia di Pavia e Rivanazzano S.r.l. Italy Al-Rushaid Taylor Diving Ltd. Saudia Arabia AOC Australia Pty. Ltd. Australia AOC Brown & Root Canada Limited Canada AOC Canada Limited Canada AOC Hopkinsons Limited United Kingdom AOC International Limited United Kingdom AOC Nigeria Ltd Nigeria AOC Overseas Limited United Kingdom AOC Services Limited Jersey AOC Technical Services Limited United Kingdom AOCI New Limited United Kingdom AOC Turbine Services Limited United Kingdom AOC/Wood Contractors Ltd United Kingdom Arabian Rockbits and Drilling Tools Company, Ltd. Saudi Arabia Arctic Pacific Contractors International, L.L.C. United States Asia Energy Services Sdn. Bhd. Malaysia Asia Pacific Contracting Pty Ltd. Australia Asia Pacific Transport Finance Pty Ltd Australia Asia Pacific Transport Pty Ltd Australia Asian Marine Contractors Limited Mauritius Atlantic Minerals and Products Corporation Florida AVA (U.K.) Limited United Kingdom AVA Netherlands B.V. Netherlands AVA S.a.r.l. France Avalon Financial Services, Ltd Cayman Islands Awe Plc United Kingdom Axelson Pump Company Delaware Axelson-Kuban CIS B&R-G5 Industrial Services (Proprietary) Limited South Africa B. Thornton, Limited United Kingdom Bakhsh Kellogg Saudi Arabia Limited Saudi Arabia Baroid (Far East) Pte. Ltd. Singapore Baroid (Saudi Arabia) Limited Saudi Arabia Baroid Australia Pty. Limited Australia Baroid Caribbean Limited Cayman Islands Baroid Corporation United Kingdom Baroid de Venezuela, S.A. Venezuela Baroid Drilling Chemical Products Limited Nigeria Baroid GmbH Germany 21-1 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Baroid Group Canada Baroid International Inc. Delaware Baroid International Trading Corporation Delaware Baroid International, S.p.A. Italy Baroid Limited United Kingdom Baroid Middle East, Inc. Delaware Baroid Nigeria, Inc. Delaware Baroid of Nigeria Limited Nigeria Baroid Pigmina Industria e Comercio Ltda. Brazil Baroid S.A.R.L. Tunisia Baroid Sales Export Corporation Delaware Baroid Services Sdn. Bhd. Malaysia Baroid Technology, Inc. Delaware Baroid Trinidad Services Limited Trinidad Baroid/VIDCO, L.L.C. United States Bateman Kinhill Australia Betex BV Netherlands BHPE-Kinhill (India) Private Ltd India Blandford Offshore Services Limited United Kingdom Bluefoil Limited United Kingdom Bonny Project Management Company Limited United Kingdom Bredero Price Coaters Limited Australia Bredero Price Coaters (Thailand) Limited Thailand Bredero Price Colombia B.V. Netherlands Bredero Price de Mexico S.A. de C.V. Mexico Bredero Price Holding B.V. Netherlands Bredero Price Italy Srl Italy Bredero Price Pipecoaters (Thailand) Limited Thailand Bredero Price Pipecoaters B.V. Netherlands Bredero Shaw Australia Pty. Ltd Australia Bredero-Price Singapore Pte Ltd Singapore Bredero-Shaw, Inc. United States Breswater Marine Contracting B.V. Netherlands British Pleuger Submersible Pumps Limited United Kingdom British Underwater Engineering Limited United Kingdom Brown & Root - Genesis Engineering Company United States Brown & Root - Murphy, L.L.C. United States Brown & Root (Asia Pacific) Pte. Ltd. Singapore Brown & Root (Gulf) E.C. Bahrain Brown & Root (Labuan) Sendirian Berhad Malaysia Brown & Root (Malaysia) Sdn. Bhd. Malaysia Brown & Root (Overseas) Limited Jersey Brown & Root (S) Pte Ltd Singapore Brown & Root (Services) Limited United Kingdom Brown & Root AOC Limited United Kingdom Brown & Root Bangladesh Limited United Kingdom 21-2 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Brown & Root Cayman Holdings, Inc. Cayman Islands Brown & Root Construction (Overseas) Lmited United Kingdom Brown & Root Construction Pty Ltd Australia Brown & Root Ealing Technical Services Limited United Kingdom Brown & Root Energy Services (India) Private Limited India Brown & Root Engineering & Construction Pty Ltd Australia Brown & Root Engineering Sdn. Bhd. Malaysia Brown & Root Espanola, S.A. Spain Brown & Root Far East Engineers Pte Ltd Delaware Brown & Root GEMSA, S.A. Venezuela Brown & Root Highlands Fabricators Limited United Kingdom Brown & Root Industrial Services Philippines Inc Philippines Brown & Root Ingenieros Petroleros de Venezuela, C.A. Venezuela Brown & Root International Eastern, Inc. Panama Brown & Root Investments Pty Ltd Australia Brown & Root Maintenance, Inc. Panama Brown & Root Management Ltd. Canada Brown & Root McDermott Fabricators Limited United Kingdom Brown & Root Mid East L.L.C. Oman Brown & Root N.A. Limited British Virgin Islands Brown & Root Nigeria Limited Nigeria Brown & Root Operations Pty Ltd Australia Brown & Root Projects Limited United Kingdom Brown & Root Projects Pty Ltd Australia Brown & Root Pty. Limited Australia Brown & Root Saudi Limited Co. Saudi Arabia Brown & Root Services Asia Pacific Pty Ltd Australia Brown & Root Servicios Industriales, Inc. Panama Brown & Root Technology (No. 2) Limited United Kingdom Brown & Root Technology Limited United Kingdom Brown & Root Toll Road Investment Partners, Inc. Delaware Brown & Root, Booz-Allen Limited United Kingdom Buchan Fabrications Limited United Kingdom BUE Ships Limited United Kingdom Bufete Industrial, S.A. de C.V. Mexico CAB, Inc. Delaware Caspian Transco Inc Cayman Islands CCC Cayman, Ltd. Cayman Islands Cebar Sdn. Bhd. Brunei CEBO Cyprus Ltd. Cyprus CEBO Holland B.V. Netherlands CEBO International B.V. Netherlands CEBO Marine B.V. Netherlands CEBO Offshore Services Sdn. Bhd. Malaysia CEBO U.K. Ltd. United Kingdom 21-3 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Centend Limited United Kingdom Chemtronics, Inc United States CKS Facilities Management Pty. Ltd. Australia CNOOC-Otis Well Completion Services Ltd. China Combisa, S. de R.L. de C.V. Mexico Compania de Servicios NMR, SA Argentina Compania Transandina de Exportacion, Inc. United States Conkel, S. de R.L. de C.V. Mexico Consorcio Contrina de Venezuela Venezuela Consorcio Contrina LLC United States Consorcio Contrina SNC France Constructora Indolatina, S.A. de C.V. Mexico Constructores de Venezuela, Brown & Root, Inc., C.A. Venezuela Cyril Lea & Associates Limited United Kingdom Davy Kinhill Fluor Daniel (PNG) Limited Papua New Guinea Dawson AOC Pty Ltd Australia Dawson AOC Water Services Pty Ltd Australia DB Stratabit GmbH Germany DB Stratabit Limited United Kingdom DB Stratabit Pte. Ltd. Singapore DB Stratabit Sdn. Bhd. Malaysia Devonport Engineering Services Limited United Kingdom Devonport Management Limited United Kingdom Devonport Royal Dockyard Limited United Kingdom Devonport Royal Dockyard Pension Trustees Limited United Kingdom Distral-Brown & Root SA Colombia Dorhold Limited United Kingdom DressBi, L.L.C. United States Dresser (Algeria) Inc. United States Dresser (Holdings) Limited United Kingdom Dresser Acquisitions Limited United Kingdom Dresser AG Liechtenstein Dresser Al-Rushaid Valve and Instrument Company, Ltd. Saudi Arabia Dresser Anstalt Liechtenstein Dresser AS Norway Dresser Australia Pty. Ltd. Australia Dresser B.V. Netherlands Dresser Cameroon S.A.R.L. Cameroon Dresser Caspian, Inc. United States Dresser Corporation United States Dresser del Ecuador S.A. Ecuador Dresser Drilling and Production Services Limited United Kingdom Dresser Equipment Group, Inc. United States Dresser Europe GmbH Germany Dresser Europe S.A. Belgium Dresser Far East, Inc. United States 21-4 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Dresser Finland Oy Finland Dresser Foreign Sales Corporation Limited Guam Dresser Group Pension Trustee Limited England Dresser Holding Europe GmbH Germany Dresser Holding, Inc. United States Dresser Holmes Limited United Kingdom Dresser Industria e Comercio Ltda. Brazil Dresser Industria S.A. Bolivia Dresser Industrial Products B.V. Netherlands Dresser Industries, Inc. United States Dresser Industries-RUS CIS Dresser Instruments, S.A. de C.V. Mexico Dresser International Sales Corporation Delaware Dresser International, Ltd. Delaware Dresser Investments N.V. Netherlands Antilles Dresser Ireland Finance Company Ireland Dresser Italia S.p.A. Italy Dresser Japan, Ltd. Japan Dresser Kellogg Energy Services (S. Africa) (Proprietary) Limited South Africa Dresser Kellogg Energy Services (Nigeria) Ltd Nigeria Dresser Kellogg Energy Services Corporation Panama Dresser Kellogg Energy Services Inc. Delaware Dresser Kellogg Energy Services Limited United Kingdom Dresser Kellogg South Africa Limited Delaware Dresser Korea, Inc. Korea Dresser Latvia Limited Latvia Dresser Masoneilan Valves Private Limited India Dresser Minerals International, Inc. Texas Dresser Netherlands B.V. Netherlands Dresser Oil Tools Arabia Ltd. Co. Saudia Arabia Dresser Oil Tools Arabia, Inc. Texas Dresser Oil Tools, Inc. Delaware Dresser Oilfield Gabon S.a.r.L. Gabon Dresser Oilfield Operations (Nigeria) Inc. Delaware Dresser Oilfield Operations (Nigeria) Limited Nigeria Dresser Oilfield Services B.V. Netherlands Dresser Oilfield Services, Inc. United States Dresser Polska Sp. Zo.o. Poland Dresser Produits Industriels France Dresser Russia, Inc. Delaware Dresser Singapore Pte. Ltd. Singapore Dresser South Africa (Proprietary) Limited South Africa Dresser Soviet Engineering CIS Dresser U.K. Limited United Kingdom Dresser U.K. Pensions Limited United Kingdom 21-5 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Dresser Valves Europe GmbH Germany Dresser Wayne AB Sweden Dresser-Nagano, Inc. Delaware Dresser-Shaw Company Canada Drilling Fluids Technology A/S Norway DS Controls, Russia Russian Federation ebro Electronic GmbH Germany ebro Electronic KG Germany EMC Nederland B.V. Netherlands Enventure Global Technology, L.L.C. Delaware Envirogen Australia Esbjerg Production Services A/S Denmark European Marine Contractors Limited United Kingdom European Marine Contractors L.L.C. Delaware Fann Instrument Company Delaware Far East Oilwell Services Sdn.Bhd. Malaysia Fargo Engineering Company United States Fastex Defence Services Limited United Kingdom Fastflow Services Limited United Kingdom Fasttrax Limited United Kingdom First Point Assessment Limited United Kingdom Freight Link Pty Ltd Australia G&H Management Company United States GAZDMD Avtomatika CIS GB Subwork B.V. Netherlands Gearhart (United Kingdom) Limited United Kingdom Gearhart Geodata Holdings Limited United Kingdom Gearhart Well Evaluation Limited United Kingdom Gearhart Wireline Holdings Limited United Kingdom Geophysical Service Europe Co. Ltd. Hungary George Street Parade Limited United Kingdom Geosource EPIG Services Company Limited Sudan Geosource International (Nederland) B.V. Netherlands Geosource U.K. Limited United Kingdom Global Drilling Services, Inc. Panama GO Turkey S.A. Isle of Nevis Granherne & Co LLC Oman Granherne (Holdings) Ltd. United Kingdom Granherne Information Systems Limited United Kingdom Granherne International (Holdings) Ltd. United Kingdom Granherne International Limited United Kingdom Granherne Limited United Kingdom Granherne Sdn. Bhd. Malaysia Green Sea AS Norway Green Sea Operations AS Norway Greystone Communities, Inc. Texas 21-6 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Grove Foreign Sales Corporation Barbados Grove TK Limited United Kingdom Halliburton (Proprietary) Limited South Africa Halliburton (U.K.) Limited United Kingdom Halliburton AS Norway Halliburton Affiliates Corporation Delaware Halliburton Argentina S.A. Argentina Halliburton Arkhangelsk, Ltd. Russia Halliburton Australia Pty. Ltd. Australia Halliburton B.V. Netherlands Halliburton Brown & Root International Limited United Kingdom Halliburton Brown & Root Limited United Kingdom Halliburton C.I.C.S. Inc. Cayman Islands Halliburton Cimentacao Ltda. Brazil Halliburton Company Delaware Halliburton Company Austria G.m.b.H. Austria Halliburton Company Germany G.m.b.H. Germany Halliburton Company U.K. Limited United Kingdom Halliburton Consulting Services Nigeria Limited Nigeria Halliburton de Mexico, S.A. de C.V. Mexico Halliburton del Amazonas S.A. Peru Halliburton del Peru S.A. Peru Halliburton Denmark A/S Denmark Halliburton Energy Development (Kazakhstan) Limited Cayman Islands Halliburton Energy Development (Kazakhstan), Inc. United States Halliburton Energy Development (North Sea), Inc. United States Halliburton Energy Development Ltd. Cayman Islands Halliburton Energy Services (Malaysia) Sdn. Bhd. Malaysia Halliburton Energy Services Limited United Kingdom Halliburton Energy Services Nigeria Limited Nigeria Halliburton Energy Services Romania S.R.L. Romania Halliburton Energy Services, Inc. Delaware Halliburton Enterprise de Services aux Puits Algeria Halliburton EPC-22 Holdings, S. de R.L. de C.V. Mexico Halliburton Equipment Company S.A.E. Egypt Halliburton Espanola S.A. Spain Halliburton Far East Pte Ltd Singapore Halliburton Geodata (Overseas) Limited United Kingdom Halliburton Geodata Limited United Kingdom Halliburton Geophysical Services Nigeria Limited Nigeria Halliburton Global, Ltd. Cayman Islands Halliburton Group Canada Inc. Canada Halliburton Holding B.V. Netherlands Halliburton Holdings Australia Pty. Ltd. Australia Halliburton Holdings Limited United Kingdom Halliburton I Cayman, Ltd. Cayman Islands 21-7 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Halliburton II Cayman, Ltd. Cayman Islands Halliburton Imco (Cameroon) S.A.R.L. Cameroon Halliburton Imco (Gabon) S.A.R.L. Gabon Halliburton International G.m.b.H Austria Halliburton International, Inc. Delaware Halliburton Italiana S.p.A. Italy Halliburton Kazakhstan Oilfield Services, Ltd Kazakhstan Halliburton Latin America S.A. Panama Halliburton Limited United Kingdom Halliburton Logging Services (France) S.A.R.L. France Halliburton Logging Services (M) Sdn. Bhd. Malaysia Halliburton Manufacturing and Services Limited United Kingdom Halliburton Manufacturing (Singapore) Pte. Ltd. Singapore Halliburton Multinational, Inc United States Halliburton New Zealand Limited New Zealand Halliburton Nigeria Limited Nigeria Halliburton Norway, Inc. Delaware Halliburton NUS Corporation Delaware Halliburton Offshore Services, Inc. Cayman Islands Halliburton Oil Services Vietnam Limited Vietnam Halliburton Oilfield Services Limited Russia Halliburton Oilfield Services India Limited India Halliburton Operations Nigeria Limited Nigeria Halliburton Overseas Limited Cayman Islands Halliburton Partners Canada Ltd. Canada Halliburton Pension Trustee Limited United Kingdom Halliburton Products & Services Limited Cayman Islands Halliburton Produtos Ltda. Brazil Halliburton Real Estate Services, Inc. United States Halliburton S.A.S. France Halliburton S.C., Inc. United States Halliburton Services (Malaysia) Sdn. Bhd. Malaysia Halliburton Servicios (Chile) Ltda. Chile Halliburton Servicos Ltda. Brazil Halliburton Singapore Pte. Ltd. Singapore Halliburton Technical Services, Inc. United States Halliburton Tesel Ltd. United Kingdom Halliburton Trinidad Limited Trinidad Halliburton Tunisia (Offshore) Ltd Tunisia Halliburton West Africa Ltd. Cayman Islands Halliburton Worldwide Limited Cayman Islands Halliburton Worldwide Services, Inc. United States Halliburton-Atyrau Oil & Gas Services Kazakhstan Halliburton-GERS Ltd. Russia Halson Financial Services Limited Cayman Islands Hart Howard Humphreys Zimbabwe 21-8 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION HBR (Thailand) Limited Thailand HBR Asia Contractors Limited Hong Kong HBR Energy, Inc. Delaware HED (Indonesia), Inc. United States HGS Enterprises Inc. Panama HGS Limited United Kingdom HLS India Limited India HLS Nigeria Limited Nigeria HLS-Namtvedt A/S Norway HLS-Namtvedt Holding A/S Norway HMB Subwork Limited United Kingdom HobbyMarkt Capelle B.V. Netherlands Hobbymarkt Capelle de Mexico, S.A. de C.V. Mexico Holmes Blowers Limited United Kingdom Howard Humphreys & Partners Limited United Kingdom Howard Humphreys (Kenya) Limited Kenya Howard Humphreys (Tanzania) Limited Tanzania Howard Humphreys (Uganda) Limited Uganda Howard Humphreys (Zimbabwe) Limited United Kingdom Howard Humphreys and Sons United Kingdom Howard Humphreys and Sons (Jamaica) Jamaica Howard Humphreys Group Limited United Kingdom Howard Humphreys Limited United Kingdom Howard Humphreys Project Management (HK) Limited Hong Kong Howard Humphreys Project Management Limited United Kingdom Howard Smith Screen Company Texas Hua Mei Halliburton Petroleum Technical Service Co. Ltd. China Hunting- Brae Limited United Kingdom India Valve Investment Co., Inc. United States Inossman Fonderie Acciaio Maniago S.p.A. Italy Integrated Documatics Limited United Kingdom Integrated Power Services Pty Ltd Australia International Administrative Services, Ltd. Cayman Islands International Automative Technologies, L.L.C. United States International Oil Field Engineering Ltd. Cayman Islands IPEM Developments Limited United Kingdom Jeffrey Industria e Comercio Ltda. Brazil Jet Research Center, Inc. United States Jet Research Corporation United States K International Engineers Pty Ltd Australia Kapeq Trading Limited Cyprus KBR de Monterey S.A. de C.V. Mexico KBR Development Corporation Cayman Islands KBR-MC Investments Corp. Cayman Islands KBR/TECHNIP, L.L.C. Delaware Kellogg (Malaysia) Sdn. Bhd. Malaysia 21-9 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Kellogg Africa Growth Fund Inc. United States Kellogg Brown & Root Algeria Inc. Delaware Kellogg Brown & Root Consultancy (Malaysia) Sdn. Bhd. Malaysia Kellogg Brown & Root Engineering Corporation New York Kellogg Brown & Root Far East, Inc. United States Kellogg Brown & Root GmbH Germany Kellogg Brown & Root India Limited United States Kellogg Brown & Root International, Inc. Delaware Kellogg Brown & Root Limited United Kingdom Kellogg Brown & Root, Inc. United States Kellogg Cardon, C.A. Venezuela Kellogg China Inc. Delaware Kellogg Chiyoda Services Cayman Islands Kellogg Construction Limited United Kingdom Kellogg Foreign Sales Corporation Barbados Kellogg France, S.A. France Kellogg International Services Corporation Delaware Kellogg International Services Limited Cayman Islands Kellogg Iran, Inc. United States Kellogg ISL Limited Cayman Islands Kellogg Korea, Inc. Delaware Kellogg Malaysia, Inc. Delaware Kellogg Mexico, Inc. Delaware Kellogg Middle East Limited Delaware Kellogg Nigeria Inc. Delaware Kellogg Offshore Limited United Kingdom Kellogg Overseas Corporation Delaware Kellogg Pan American Corporation Delaware Kellogg Rust South Africa Limited United Kingdom Kellogg Pan American C.A. Venezuela Kellogg Saudi Arabia Limited Delaware Kellogg Services, Inc. Delaware Kestrel Subsea Systems Limited United Kingdom Kinhill Building Investigation Pty Ltd Australia Kinhill Holdings Pty Ltd Australia Kinhill India Private Ltd. India Kinhill Investments Pty Ltd Australia Kinhill (Malaysia) Sdn Bhd Malaysia Kinhill/Ove Arup Australia Kinhill Pacific Pty Ltd Australia Kinhill Pakistan (Private) Limited Pakistan Kinhill SAGRIC Pty Ltd Australia Kinhill Superannuation Nominees Pty Ltd Australia Komatsu Dresser Company United States KPA, S.A. de C.V. Mexico KRSA Limited United Kingdom 21-10 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION KRW Energy Systems Inc. Delaware Landmark America Latina, S.A. Panama Landmark de Mexico, S.A. de C.V. Mexico Landmark EAME, Ltd. United Kingdom Landmark Graphics Argentina, S.A. Argentina Landmark Graphics Colombia S.A. Colombia Landmark Graphics Corporation Delaware Landmark Graphics do Brasil Ltda. Brazil Landmark Graphics Europe/Africa, Inc. Delaware Landmark Graphics International, Inc. Texas Landmark Graphics (Malaysia) Sdn. Bhd. Malaysia Landmark Graphics (Nigeria) Limited Nigeria Landmark Graphics Venezuela C.A. Venezuela Landmark Sales Corporation (FSC) Barbados Laurel Financial Services B.V. Netherlands Laut-AOC Sdn Bhd Brunei Darussalam LCL Knightsbridge Limited United Kingdom Ledhand Limited United Kingdom Liaohe Halliburton Flow Measurement Company China LNG_Servicos E Gestao de Projectos Limitada Portugal M. W. Kellogg Company Limited Canada M. W. Kellogg Constructors Inc. Delaware M. W. Kellogg Group Limited United Kingdom M. W. Kellogg International Limited United Kingdom M. W. Kellogg Limited United Kingdom M. W. Kellogg Pensions Limited United Kingdom M. W. Kellogg Technology Company Delaware Magcobar Manufacturing Nigeria Ltd Nigeria Management Logistics, Inc. Delaware Mantenimiento Marino de Mexico, S. de R.L. de C.V. Mexico Manteniven, S.A. Venezuela Manufacturas Halliburton de mexico SA de CV Mexico Manufacturas Petroleras Venezolanas, S.A. Venezuela Marend Limited United Kingdom Mashhor Brown & Root Offshore Services Sdn. Bhd. Brunei Mashhor Well Services Sdn Bhd Brunei Masoneilan HP + HP GmbH Germany Masoneilan International, LLC Delaware Masoneilan, S.A. Spain Mid-Valley, Inc. Delaware Middle East Technologies, Inc. Delaware MIHC, Inc. Delaware Millennium Link Limited United Kingdom Monenco Offshore Limited Canada Mono Group United Kingdom 21-11 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Mono Group Pension Trustees Limited United Kingdom Mono Pumps (Australia) Pty. Limited Australia Mono Pumps (Engineering) Limited United Kingdom Mono Pumps (Manfacturing) Limited England Mono Pumps (New Zealand) Limited New Zealand Mono Pumps (U.K.) Limited United Kingdom Mono Pumps Limited United Kingdom Monoflo, Inc. Delaware Moroccan Engineers & Constructors Morocco Munro Garrett (Asia Pacific) Pty Ltd Australia MWKL Field Services Limited Cayman Islands MWKL Middle East Limited United Kingdom Nederlands Bedrijfskleding Service B.V. Netherlands New Ocean Contractors Limited United Kingdom Niigata Masoneilan Company Limited Japan Niigata Masoneilan Valve Service Company Limited Japan Nile Oilfield Engineering Limited Sudan NL do Brazil Ltda. Brazil NL Overseas Service Company Limited United Kingdom Norsk Modifikajon og Vedikehold Service AS Norway North Sea Assets Limited United Kingdom NUMALOG, Ltd. Israel NUMAR UK Limited United Kingdom OGC International Limited United Kingdom Oilfield Telecommunications, Inc. Delaware Otis Engineering Italiana S.r.l. Italy Otis of Nigeria Limited Nigeria Otis Pressure Control Limited United Kingdom Overseas Administration Services, Ltd. Cayman Islands Overseas Marine Leasing Company Delaware P.T. Baroid Indonesia Indonesia P.T. Brown & Root Indonesia Indonesia P.T. Halliburton Drilling Systems Indonesia Indonesia P.T. Halliburton Indonesia Indonesia P.T. Halliburton Logging Services Indonesia Indonesia P.T. Indokor Sperry-Sun Indonesia P.T. Jaya Kinhill Arkonin (Indonesia) Indonesia P.T. Kinhill Indonesia Indonesia P.T. Landmark Concurrent Solusi Indonesia Indonesia P.T. M-I, Indonesia Indonesia P.T. Numar Indonesia Indonesia P.T. Security Mulia Indonesia Indonesia P.T. SubSea Tritek Indonesia P.T. Udemco Otis Indonesia Indonesia PACE AS Norway Paloak Ltd United Kingdom 21-12 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Patonhurst Pty. Ltd. United Kingdom Penaga Grove Sdn. Bhd. Malaysia PES (International) Limited United Kingdom PES de France France PES France France PES Incorporated United States PES Netherlands Limited United Kingdom PES Petroquip Limited United Kingdom PES Petroseal Limited United Kingdom PES Petroserv Limited United Kingdom PES Petrospec Limited United Kingdom PES Trustees Limited United Kingdom Petroleum Engineering Services (Italia) srl Italy Petroleum Engineering Services Asia Pty. Ltd. Australia Petroleum Engineering Services Ltd. United Kingdom Petroleum Engineering Services Norge AS Norway Petroleum Information & Equipment Services Pte. Ltd. Singapore Petroleum Manufacturing Services Limited United Kingdom Plantation Land Company, Inc. United States Polinex-Cekop S.A. Poland Professional Resources Ltd. Bermuda Property & Casualty Insurance, Ltd. - U.S. Vermont Property and Casualty Insurance, Limited Bermuda PT Dresser Magcobar Indonesia Indonesia PT Dwinpantara Perdana Indonesia Pullman Kellogg Plant Services Algeria, Inc. Delaware Rezayat Brown and Root Saudi Company Limited Saudi Arabia Riese Consolidated Industrial C.A. Venezuela Road Management Consolidated Plc United Kingdom Road Management Group Limited United Kingdom Road Management Limited United Kingdom Road Management Services (Gloucester) Limited United Kingdom Road Management Services (Peterborough) Limited United Kingdom Rockwater (North Sea) Limited United Kingdom Rockwater B.V. Netherlands Rockwater CV Netherlands Rockwater Holdings Limited United Kingdom Rockwater J/V Netherlands Rockwater Limited United Kingdom Rockwater Offshore Contractors 2 B.V. Netherlands Rockwater Offshore Contractors B.V. Netherlands Rotary Brown & Root Pte. Ltd. Singapore Saber Technologies, L.L.C. United States Sabre Manning Services Limited Jersey Saudi Halliburton Logging LLC Saudi Arabia 21-13 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION SBR Offshore Limited Canada Scientific & Technical Computing Centre Pty Ltd Australia Seabase Limited Canada Seaforth Engineering Limited United Kingdom Seaforth Kinergetics Limited United Kingdom Seaforth Logistics Limited United Kingdom Seaforth Marine Services Limited United Kingdom Seaforth Maritime (Holdings) Limited United Kingdom Seaforth Maritime Limited United Kingdom Seaforth Workforce Limited United Kingdom Security DBS (MEM) E.C. Bahrain Security DBS B.V. Netherlands Security DBS Italia S.r.l. Italy Security DBS S.A. France Sembrown Equipment Pte Ltd Singapore Semi Sub Services B.V. Netherlands Service Employees International, Inc. Cayman Islands Servicios Halliburton de Venezuela, S.A. Delaware Servicios Industriales Worthington, S.A. Venezuela Servicios Tecnicos Brown & Root, S.A. Panama Shapadu Rockwater Sdn. Bhd. Malaysia Shaw Industries Pty. Ltd. Australia Siam Brown and Root Limited Thailand Sierra Geophysics (U.K.) Limited United Kingdom SIF-Isopipe S.A. France Sinokellogg Engineering Company China Snamprogetti Netherlands, B.V. Netherlands Sociedad Espanola de Bombas y Maquinaria S.A. Spain Sonobar, S.A. de C.V. Mexico Sperry Sun Saudia Company Limited Saudi Arabia Sperry-Sun (U.K.) Limited United Kingdom Sperry-Sun de Ecuador S.A. Ecuador Strata Bit Limited United Kingdom Stratamodel (Barbados) Export Ltd Barbados Studebaker-Worthington (U.K.) Limited United Kingdom SubSea HMB Ltd. United Kingdom Sub Sea Norge A/S Norway Sub Sea Offshore (B) Berhad Brunei Sub Sea Offshore Espana, S.A. Spain Sub Sea Offshore (Holdings) Limited United Kingdom Sub Sea Offshore (Nigeria) Limited Nigeria Sub Sea Offshore Limited United Kingdom 21-14 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Sub Sea Offshore Pte. Ltd. Singapore Sub Sea Underwater Associates, Inc. United States SubseaKat (Malaysia) Sdn. Bhd. Malaysia SUDAW Developments Limited Australia Symington Wayne Overseas, Ltd. Canada T.K. Valve Holdings United Kingdom Taylor Diving (South East Asia) Pte. Ltd. Singapore Taylor International Diving Company, Inc. United States Technip France Tecman Services Limited Cyprus Tecniavance - Brown & Root S.A. Colombia Tesel Holdings Limited United Kingdom The Arab Geophysical Exploration Services Company Libya The M. W. Kellogg GmbH Germany Thomco (No. 2011) Pty Ltd Australia Tianjin Orient Halliburton Geophysical Service Company Ltd China TIG-Masoneilan Arabia Limited Saudi Arabia Tres Gaviotas, S.A. de C.V. Mexico Tri-Can Perforators Limited Trinidad Triconos Mineros S.A. Chile Tristan Services Limited United Kingdom TSKJ - Servicos de Engenharia Limitada Portugal TSKJ II Construcoes Internacionais Sociedade Unipessoal Limitada Portugal TSKJ Nigeria Limited Nigeria Ucamar Shipping & Transportation Company (Cayman) Limited Cayman Islands UMC Engineering Sdn Bhd Malaysia Universal Energy Services SRL Italy Vactor Industrial Pollution (U.K.) Limited United Kingdom W.T. Limited United Kingdom Walbridge Brown & Root International LLC (A Delaware Corporation) Delaware Walbridge Brown & Root International LLC (Cayman Islands) Cayman Islands Wasserij Smit-Delft BV Netherlands Wayne Compressores Ltda. Brazil Wayne Pump Company South Africa (Proprietary) Limited South Africa WeCem AS Norway Wellstream International, Inc. Delaware Wellstream, Inc. Delaware Wetzel Tecnomecanica S.A. Brazil Wharton Williams Taylor Emirates United Arab Emirates Wheatley Pump Incorporated Delaware Wheatley Ural CIS 21-15 Exhibit 21 HALLIBURTON COMPANY Subsidiaries of the Registrant December 31, 2000 (continued) STATE OR COUNTRY NAME OF COMPANY OF INCORPORATION Worthington Compressores e Turbinas Ltda. Brazil Worthington Pumping Systems Limited United Kingdom Worthington-Simpson Limited United Kingdom Xinjiang DB Stratabit Bit and Tool Company Ltd. China Zen No 33 Limited Papua New Guinea Zhanjiang Zhonghai Bredero Price Coaters, Inc. China <FN> (1) Each of the subsidiaries named conducts its business under its corporate name and, in a few instances, under a shortened form of its corporate name. (2) The names of approximately 50 subsidiaries have been omitted since the unnamed subsidiaries considered in the aggregate would not constitute a significant subsidiary as defined by Item 601(b)(21). </FN> 21-16