EX-21.1 4 sublist.txt SUBSIDIARY LISTING EXHIBIT 21.1 SUBSIDIARY LISTING NAME LEGAL SEAT --------------------------------- --------------------------------- AGI de Venezuela, C.A. Caracas, Venezuela AGI Mexicana, S.A. de C.V. Mexico City, Mexico Beukenwoude, B.V. Amsterdam, Netherlands Coherence Technology (U.K.) Ltd. Edinburgh, United Kingdom Coherence Technology Company, Inc. Colorado, United States Core Export Sales, Inc. Bridgetown, Barbados Core Lab de Mexico, S.A. de C.V. Mexico City, Mexico Core Lab Operations S.A. de C.V. Mexico Core Lab Services S.A. de C.V. Mexico Core Laboratories Resources, N.V. Curacao, Netherlands Antilles Core Laboratories International Licensing N.V. Curacao, Netherlands Antilles Core Laboratories International Trading N.V. Curacao, Netherlands Antilles Core Laboratories (Argentina) S.A. Buenos Aires, Argentina Core Laboratories (H.K.) Limited Hong Kong Core Laboratories (U.K.) Limited London, United Kingdom Core Laboratories Angola Ltd. Angola Core Laboratories Australia PTY LTD Perth, Australia Core Laboratories Canada Limited Alberta, Canada Core Laboratories Global N.V. Curacao, Netherlands Antilles Core Laboratories Inc. Delaware, United States Core Laboratories International B.V. Amsterdam, The Netherlands Core Laboratories Mexico Holding B.V. Netherlands Core Laboratories Netherlands B.V. Amsterdam, The Netherlands Core Laboratories Panama, S.A. Panama City, Panama Core Laboratories PTE LTD Singapore Core Laboratories Sales N.V. Curacao, Netherlands Antilles Core Laboratories SDN BHD Kuala Lumpur, Malaysia Core Laboratories Venezuela S.A. Caracas, Venezuela Core Petrophysics, Inc. Texas, United States Core Petrophysics de Venezuela, C.A. Venezuela Corelab Brasil Ltda Brasil Corelab Nigeria Limited Lagos, Nigeria CTC Pulsonic Nigeria Limited Lagos, Nigeria E.W. Saybolt & Co. (Cayman) Ltd. Cayman Islands E.W. Saybolt & Co. N.V. St. Eustatius E.W. Saybolt & Co. S.A. Panama City, Panama Integra Geoservices, Inc. Alberta, Canada Jaex de Mexico, S.A. de C.V. Tabasco, Mexico Magna International Services, C.A. Venezuela Organic Technology, Inc. Texas, United States Owen Aruba N.V. Aruba, Netherlands Antilles Owen Canada Ltd. Alberta, Canada Owen Compliance Services, Inc. Texas, United States Owen de Mexico S.A. de C.V. Mexico Owen Oil Tools (U.K.) Ltd. Croydon, United Kingdom Owen Oil Tools de Venezuela, C.A. Anaco, Anzoategui, Venezuela Owen Oil Tools, Inc. Texas, United States PENCOR de Mexico S.A. de C.V. Mexico PENCOR de Venezuela, C.A. Venezuela PENCOR International Ltd. Jersey Channel Islands PENCOR Ltd. United Kingdom PENCOR Production Specialists Ltd. British Virgin Islands PENCOR Reservoir Fluid Specialists, Inc. United States Petrak (Maghreb) S.A. Morocco Petrak Azerbaijan Ltd. Baku, Azerbaijan Petrak Baltija Ltd. Ventpils, Latvia Petrak Batumi Ltd. Batumi, Georgia Petrak CIS Ltd. Novorossiysk, Russia Petrak Ltd. Aktau City, Kazakhstan Petroleum Analysts ZAO Moscow, Russia Federation Pro Technics de Mexico, S.A. de C.V. Mexico Pro Technics International, Inc. Texas, United States Production Enhancement Corporation Louisiana, United States Production Services de Venezuela, C.A. Venezuela PT Corelab Indonesia Jakarta, Indonesia PT Saybolt Indonesia Jakarta, Indonesia Reservoirs Environmental Services, Inc. United States Reservoirs, Inc. Texas, United States Saybolt - NIICPV ZAO Moscow, Russia Federation Saybolt (Portugal) Inspeccao de Productos Petroliferos, Lda. Lisbon, Portugal Saybolt (Singapore) PTE LTD Singapore Saybolt (Tianjin) Meteorology & Instrumentation Company China Saybolt Analyt Holding B.V. Vlaardingen, The Netherlands Saybolt Analyt LTD ZAO Moscow, Russia Federation Saybolt Armenia Yerevan, Armenia Saybolt Aruba N.V. Aruba, Netherlands Antilles Saybolt Azerbaijan, Ltd. Azerbaijan Saybolt Bahamas Ltd. Freeport, Bahamas Saybolt Baltija, Ltd. Klaipeda, Lithuania Saybolt Bashkortostan Bashkortostan, Russian Federation Saybolt Belgium Belgium Saybolt Bonaire N.V. Bonaire, Netherlands Antilles Saybolt Bulgaria Ltd Bulgaria Saybolt Colombia Ltda. Barranquilla, Colombia Saybolt Curacao N.V. Curacao, Netherlands Antilles Saybolt Danmark A/S Copenhagen, Denmark Saybolt de Costa Rica, S.A. San Jose, Costa Rica Saybolt de Mexico S.A. de C.V. Coatzacoalcos, Mexico Saybolt Eastern Hemisphere B.V. Vlaardingen, The Netherlands Saybolt Espana S.A. Madrid, Spain Saybolt Estonia Ltd. Tallin, Estonia Saybolt Evrasia ZAO Moscow, Russia Federation Saybolt Finland Oy Hamina, Finland Saybolt France S.A. Port-Le-Bouc, France Saybolt Geneva S.R.L. Siracusa, Italy Saybolt Greece, Ltd. Athens, Greece Saybolt Holding B.V. Vlaardingen, The Netherlands Saybolt Inc. New Jersey, United States Saybolt International B.V. Vlaardingen, The Netherlands Saybolt Iran B.V. Vlaardingen, The Netherlands Saybolt Italia S.R.L. Siracusa, Italy Saybolt Kazakhstan B.V. Vlaardingen, The Netherlands Saybolt Kiinteisto Oy Hillo Hamina, Finland Saybolt Latin America B.V. Vlaardingen, The Netherlands Saybolt Latvia Ventspils, Latvia Saybolt (M) SDN BHD Kuala Lumpur, Malaysia Saybolt Malta Ltd. Kalafran, Malta Saybolt Meteorology & Instrumentation B.V. Vlaardingen, The Netherlands Saybolt Nederland B.V. Vlaardingen, The Netherlands Saybolt North America B.V. Vlaardingen, The Netherlands Saybolt Services Ltd. formerly Petrak Services Ltd. London, United Kingdom Saybolt South Africa PTY LTD Cape Town, South Africa Saybolt Sverige AB Gothenburg, Sweden Saybolt Test OOO Bashkortostan, Russian Federation Saybolt Thailand Ltd. Bangkok, Thailand Saybolt Trinidad & Tobago Ltd. Marabella, Trinidad Saybolt Turkmenistan Ltd. formerly Petrak Turkmenistan Ltd. Turkmenbashi, Turkmenistan Saybolt United Kingdom Ltd. Purfleet, United Kingdom Saybolt van Duyn GmbH Essen, Germany Saybolt West Indies N.V. Kingston, Jamaica Saybolt-Ukraine Odessa, Ukraine Scott Pickford Group Limited Croydon, United Kingdom Scott Pickford Limited Croydon, United Kingdom SP TOO Saybolt Kazakhstan Kazakhstan Stim Lab, Inc. Oklahoma, United States Stim-Lab (U.K.) Limited Edinburgh, United Kingdom Stim-Lab CoreSystems Limited Edinburgh, United Kingdom The Petrak Group S.A. Zug, Switzerland TomoSeis Corporation Texas, United States