Exhibit 21
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
As of February 28, 2002, Thermo Electron Corporation owned the following companies:
STATE OR
JURISDICTION OF PERCENT OF
NAME INCORPORATION OWNERSHIP
- ---------------------------------------------------------------------------------------------------------
Thermo Coleman Corporation Delaware 100
Thermo Information Solutions Inc. Delaware 100
Peter Brotherhood Holdings Ltd. England 100
Aircogen Ltd. England 80
Peter Brotherhood Limited England 100
Peter Brotherhood Pension Fund Trustees Ltd. England 100
Thermo Electron Realty Limited England 100
Thermo Holdings Limited England 100
Thermo Electron, S.A. de C.V. Mexico 100
Fi SA France 100
Gulf Precision, Inc. Arizona 100
Seeley Enterprises, Inc. New Mexico 100
Thermo Hypersil-Keystone Inc. Pennsylvania 100
Loftus Furnace Company Pennsylvania 100
Met-Therm, Inc. Ohio 100
NAPCO, Inc. Connecticut 100
Nicolet Biomedical of California Inc. California 100
North East Surgical Tool Corp. Massachusetts 100
North Carbondale Minerals, Inc. California 100
Thermo WI, Inc. Wisconsin 100
Perfection Heat Treating Company Michigan 100
San Marcos Resource Recovery, Inc. California 100
Staten Island Cogeneration Corporation New York 100
TE Great Lakes Inc. Michigan 100
TEC Cogeneration Inc. Florida 100
South Florida Cogeneration Associates Florida 50*
TEC Energy Corporation California 100
North County Resource Recovery Associates California 100*
(50% of which is owned directly by
San Marcos Resource Recovery, Inc.)
Thermo Electron Export Inc. Barbados 100
Thermo Foundation, Inc. Massachusetts 100
Thermo Leasing Corporation Delaware 100
Thermo Capital Company LLC Delaware 50
Walpak Company Illinois 100
Thermo Detection Inc. Delaware 100
Thermo Orion Inc. Massachusetts 100
Orion Research Limited England 100
Thermo Orion Puerto Rico Inc. Delaware 100
Russell pH Limited Scotland 100
Thermo Keytek LLC Delaware 100
ThermedeTec Corporation Delaware 100
STATE OR
JURISDICTION OF PERCENT OF
NAME INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------------------------------------
Thermedics Detection de Argentina S.A. Argentina 99
(additionally 1% of the shares are owned
directly by Thermo Detection Inc.)
Thermedics Detection de Mexico, S.A. de C.V. Mexico 99
(additionally 1% of the shares are owned
directly by Thermo Detection Inc.)
Thermedics Detection Limited England 100
Thermedics Detection Scandinavia AS Norway 100
Allen Coding Systems Limited England 100
Thermo Allen Coding Corporation Delaware 100
Goring Kerr Limited England 100
Best Checkweighers Limited England 100
Intertest (UK) Limited England 100
Goring Kerr Detection Limited England 100
Goring Kerr (NZ) Limited New Zealand 100
Goring Kerr Canada Inc. Canada 100
Ramsey France S.A.R.L. France 100
Ramsey Ingenieros S.A. Spain 100
Ramsey Italia S.R.L. Italy 100
Tecno Europa Elettromeccanica S.R.L. Italy 100
Thermo Ramsey Inc. Massachusetts 100
Xuzhou Ramsey Technology Development Co., Limited China 50*
Thermo Sentron Australia Pty. Ltd. Australia 100
Thermo Sentron Canada Inc. Canada 100
Thermo Sentron Limited England 100
Hitech Electrocontrols Limited England 100
Hitech Licenses Ltd. England 100
Hitech Metal Detectors Ltd. England 100
Westerland Engineering Ltd. England 100
Thermo Sentron (South Africa) Pty. Ltd. South Africa 100
Thermo Voltek Europe B.V. Netherlands 100
Comtest Italia S.R.L. Italy 100
Comtest Limited England 100
UVC Realty Corp. New York 100
Thermo Administrative Services Corporation Delaware 100
Independent Power Services Corporation Nevada 100
KFP Operating Company, Inc. Delaware 100
KFx Fuel Partners, L.P. Delaware 100
MBPL Agriwaste Corporation California 100
Thermo Electron of Maine, Inc. Maine 100
Gorbell/Thermo Electron Power Company Maine 80*
Star/RESC LLC Texas 75
Ulna Incorporated California 100
Thermo Electron Foundation, Inc. Massachusetts 100
Thermo Electron Metallurgical Services, Inc. Texas 100
Analytical Instrument Development, Inc. Pennsylvania 100
Eberline Instrument Company Limited England 100
Thermo Eberline Corporation New Mexico 100
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STATE OR
JURISDICTION OF PERCENT OF
NAME INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------------------------------------
Epsilon Industrial Inc. Texas 100
Thermo Life Sciences Limited England 100
Kenbury Limited England 100
Denley Ltd. England 100
Thermo Gas Tech, Inc. California 100
Gas Tech Partnership California 50*
Thermo Gastech Ltd. Canada 100
Life Sciences International Limited England 100
Comdata Services Limited England 100
Lipshaw Limited England 100
Luckham Limited England 100
Phicom Limited England 100
Southions Investments Limited England 100
Sungei Puntar Rubber Estate Limited England 100
Westions Limited England 100
Whale Scientific Limited England 100
Forma Scientific Ltd. England 100
Ravensward Ltd. England 100
E-C Apparatus Ltd. England 100
Shandon (Germany) Ltd. England 100
Savant Instruments Ltd. England 100
Helmet Securities Limited England 100
Life Sciences International Kft Hungary 100
Life Sciences International, Inc. Pennsylvania 100
LSI (US) Inc. Delaware 100
LSI North America Service Inc. Delaware 100
Life Sciences International Holdings BV Netherlands 100
Life Sciences International (Poland) SP z O.O Poland 100
Britlowes Limited England 100
Commendstar Limited England 100
Consumer & Video Holdings Limited England 100
Video Communications Limited England 100
Greensecure Projects Limited England 100
Hybaid Limited England 100
Equibio Limited England 100
Cell One S.A.R.L. France 100
Labsystems Europe SA Spain 100
Labsystems Ges mbH Austria 100
Omnigene Limited England 58.50
Shenbridge Limited England 100
Southern Instruments Holdings Limited England 100
Finishlong Ltd. England 100
Gamma-Metrics Minerals Pty Ltd. Australia 100
Thermo Gamma-Metrics Inc. California 100
Thermo Electron India Private Limited India 100
Thermo MF Physics Corporation Delaware 100
Thermo Radiometrie Corporation Delaware 100
Spectra-Physics VisionTech, Inc. Delaware 100
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STATE OR
JURISDICTION OF PERCENT OF
NAME INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------------------------------------
Radiometrie U.S.A., Inc. California 100
Radiometrie Limited England 100
National Nuclear Corporation California 100
Thermo Nucleonics LLC Delaware 51
(additionally, 49% of the shares are owned directly
by TBA Nucleonics Holding Corporation)
ONIX Systems Inc. Delaware 100
Thermo Process Instruments GP, LLC Delaware 100
Thermo Process Instruments LP Delaware 99.9
(an additional 0.1% of Thermo Process Instruments LP
is owned by Thermo Process Instruments GP, LLC)
ONIX Holdings Limited England 100
CAC UK Limited England 100
ONIX Measurement Limited England 100
ONIX Process Analysis Limited England 100
Thermo ONIX B.V. Netherlands 100
VG Systems Japan K.K. Japan 100
Thermo Nicolet Corporation Wisconsin 100
Thermo Electron German Holdings Inc. Delaware 35.4
(7.2% of shares are owned directly by Dynex
Technologies Inc., 6.6% of shares are owned directly
by Radiometrie Corporation, 19.3% of shares are owned
directly by Thermo Electron Corporation, 29.3% of
shares are owned directly by Finnigan MAT (Nevada)
Inc., 2.2% of shares are owned directly by ThermedTec Corp.)
Thermo Vacuum Generators Inc. Delaware 100
FI Instruments Inc. Delaware 100
Thermo Haake Inc. Delaware 100
Scintag, Inc. California 100
Thermo Spectronic Inc. Delaware 100
SLM International Inc. Illinois 100
Thermo Elemental Inc. Massachusetts 100
Thermo ARL U.S. LLC Delaware 100
A.R.L. Applied Research Laboratories S.A. Switzerland 100
Fisons Instruments (Proprietary) Limited South Africa 100
Thermo Optek Wissenschaftliche Gerate GesmbH Austria 100
Baird Do Brazil Representacoes Ltda. Brazil 100
Beijing Baird Analytical Instrument Technology Co. Limited China 100
Thermo Cahn Corporation Wisconsin 100
Mattson Instruments Limited England 100
Thermo Optek Limited England 100
Thermo VG Systems Limited England 100
Norlab Instruments Ltd. England 100
Thermo Elemental Limited England 100
Unicam Limited England 100
Unicam Export Limited England 100
Unicam Italia SpA Italy 100
Unicam S.A. Belgium 100
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STATE OR
JURISDICTION OF PERCENT OF
NAME INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------------------------------------
Thermo Instruments Nordic AB Sweden 100
Nicolet Japan K.K. Japan 100
Thermo Spectra-Tech Inc. Wisconsin 100
Optek Securities Corporation Massachusetts 100
Planweld Holding Limited England 100
Thermo Electron Limited England 100
Thermo Nicolet Limited England 100
Hilger Analytical Limited England 100
Thermo Instrument Systems Japan Holdings, Inc. Delaware 100
Nippon Jarrell-Ash Company, Ltd. Japan 100
Thermo Instruments (Canada) Inc. Canada 100
Unicam Analytical Inc. Canada 100
Thermo Optek Materials Analysis (S.E.A.) Pte Limited Singapore 100
Gould Instrument Systems, Inc. Ohio 100
Gould & Nicolet S.A. France 95
(additionally, 5% of the shares are owned directly by
Thermo Electron Corporation)
Thermo Kevex X-Ray Inc. Delaware 100
Thermo NESLAB Inc. New Hampshire 100
Nicolet Instrument Technologies Inc. Wisconsin 100
Thermo Noran Inc. Wisconsin 100
ThermoSpectra Limited England 100
Nicolet Technologies Ltd. England 100
Spectrace Instruments Inc. California 100
Thermo Electron Sweden Forvaltning AB Sweden 100
Spectra-Physics AB Sweden 99
Spectra-Physics Holdings USA, Inc. Delaware 100
Pharos Holdings, Inc. Delaware 100
Thermo BLH Inc. Delaware 100
Pharos de Costa Rica S.A. Costa Rica 100
Automatic Power, Inc. Delaware 100
Pharos Tech, Inc. Delaware 100
Spectra-Physics, Inc. Delaware 100
Laser Analytical Systems GmbH Germany 100
Laser Analytical Systems, Inc. California 100
Opto Power Corporation Delaware 100
Spectra-Physics Laser Data Systems, Inc. Delaware 100
Spectra-Physics France S.A. France 100
Spectra-Physics GmbH Germany 100
Spectra-Physics K.K. Japan 100
Spectra-Physics Lasers B.V. Netherlands 100
Spectra-Physics Lasers Ltd. England 100
Spectra-Physics Foreign Sales Corp. Barbados 100
Spectra-Physics Canada Ltd. Canada 100
Spectra-Physics Holdings Plc England 100
Automatic Power Ltd. England 100
Prizerest Ltd. England 100
Spectra-Physics Holdings S.A. France 100
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STATE OR
JURISDICTION OF PERCENT OF
NAME INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------------------------------------
Saroph B.V. Netherlands 100
Thermo Radiometrie Oy Finland 100
Thermo Radiometrie KK Japan 100
Spectra Precision (Asia) Pte. Ltd. Singapore 100
Saroph Sweden AB Sweden 100
Thermo Nobel AB Sweden 100
Nobel Electronique S.A.R.L. France 100
Thermo Nobel Oy Finland 100
Nobel Elektronikk A/S Norway 100
AB Givareteknik Sweden 100
Thermo Nobel Ltd. England 100
Thermo Finnigan LLC Delaware 100
Finnigan Instruments, Inc. New York 100
Finnigan International Sales, Inc. California 100
Finnigan MAT China, Inc. California 100
Finnigan MAT (Delaware), Inc. Delaware 100
Finnigan MAT Instruments, Inc. Nevada 100
Finnigan MAT International Sales, Inc. California 100
Finnigan MAT (Nevada), Inc. Nevada 100
Finnigan MAT S.R.L. Italy 100
Thermo Separation Products S.R.L. Italy 100
Thermo Masslab Limited England 100
H.D. Technologies Limited England 100
Thermo Instruments Australia Pty. Limited Australia 100
Thermo Finnigan Ltd. England 100
Hypersil Limited England 100
ThermoQuest AB Sweden 100
Finnigan Properties, Inc. Delaware 100
Thermo Electron Business Trust Massachusetts 100
TMOI Inc. Delaware 100
Thermo Forma Inc. Delaware 100
Thermo IEC Inc. Delaware 100
International Equipment Company Limited England 100
Thermo Savant Inc. New York 100
Life Sciences International (Hong Kong) Limited Hong Kong 100
TMQ SEG (Hong Kong) Limited Hong Kong 100
ThermoQuest Italia S.p.A. Italy 100
ThermoQuest Spain S.A. Spain 100
ThermoQuest Wissenschaftliche Gerate GmbH Austria 100
Thermo Separation Products AG Switzerland 100
ThermoQuest K.K. Japan 100
Thru-Put Systems, Inc. Florida 100
Fisons Instruments NV Belgium 100
Fisons Instruments K.K. Japan 100
Thermo Haake Ltd. England 100
Thermo Haake (U.K.) Limited England 100
Thermo Instrumentos Cientificos S.A. Spain 100
Thermo BioAnalysis Corporation Delaware 100
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STATE OR
JURISDICTION OF PERCENT OF
NAME INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------------------------------------
Thermo Holding European Operations Corp. Delaware 85
(an additional 15% is owned by Thermo Electron German Holdings Inc.)
Thermo Luxembourg Holding S.a.r.l. Luxembourg 100
Grond & Watersaneringstechniek Nederland B.V. Netherlands 100
Thermo Instruments B.V. Netherlands 100
ThIS Automation B.V. Netherlands 100
Thermo Instruments NV Belgium 100
Thermo Analytical B.V. Netherlands 100
This Lab Systems B.V. Netherlands 100
Thermo Scientific B.V. Netherlands 100
This Gas Analysis Systems B.V. Netherlands 100
Thermo Euroglas B.V. Netherlands 100
Thermo Electron Deutschland Verwaltvngs GmbH Germany 100
Thermo Luxembourg S.a.r.l. Luxembourg 100
Thermo Electron Deutschland GmbH & Co. KG Germany 100
Thermo BioSciences GmbH Germany 100
Thermo Finnigan GmbH Germany 90
(additionally, 10% of the shares
are owned directly by Thermo
Electron Corporation)
Thermo Life Sciences GmbH Germany 100
Thermo Hypersil GmbH Germany 100
Thermo Finnigan GmbH Germany 100
Thermo Nicolet GmbH Germany 100
Thermo Haake GmbH Germany 90
(additionally, 10% of the shares
are owned directly by Thermo
Nicolet Corporation)
ESM Andersen Instruments GmbH Germany 100
ITC Grundstucksverwaltungs GmbH Germany 100
ITC Grundstucksverwaltungs GmbH & Co. Germany 90
(additionally 10% of the shares
are owned by ITC Holdings Inc.)
Thermo BLH GmbH Germany 100
Thermo Shandon GmbH Germany 100
Thermo Radiometrie GmbH Germany 90
(additionally 10% of the shares are
owned directly by Thermo Electron
Corporation)
ESM Eberline Instruments GmbH Germany 100
Thermo LabSystems Vertriebs GmbH Germany 100
Thermo Ramsey GmbH Germany 100
Thermo Nobel GmbH Germany 100
Thermo Detection GmbH Germany 100
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STATE OR
JURISDICTION OF PERCENT OF
NAME INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------------------------------------
ThermoSpectra GmbH Germany 100
Gould Nicolet Messtechnik GmbH Germany 100
Thermo NORAN GmbH Germany 100
ThermoSpectra B.V. Netherlands 100
Thermo Finance Company B.V. Netherlands 100
Thermo Neslab BV Netherlands 100
Thermo Finnigan B.V. Netherlands 100
Thermo Separation Products B.V. B.A. Belgium 100
Fisons Instruments BV Netherlands 100
Thermo LabSystems B.V. Netherlands 100
Life Sciences International (Benelux) B.V. Netherlands 100
Thermo Ramsey B.V. Netherlands 100
Thermo Moisture Systems B.V. Netherlands 100
Thermo MeasureTech B.V. Netherlands 100
Thermo Measuretech Canada Inc. Canada 100
Thermo Optek Holding B.V. Netherlands 100
Thermo Optek B.V. Netherlands 100
Thermo Optek N.V. Belgium 99
(additionally, 1% of the shares are owned
by Thermo Optek Holding B.V.)
Nicolet Technologies B.V. Netherlands 100
NORAN Instruments B.V. Netherlands 100
Thermo TLH (U.K.) Limited England 100
Thermo TLH LP Delaware 99.99*
(additionally 0.01% is owned by Thermo TLH (U.K.) Limited
Thermo BioStar Inc. Delaware 100
Data Medical Associates, Inc. Texas 100
DMA Latinoamericana S.A. de C.V. Mexico 50
Labsystems (SEA) Pte. Ltd. Singapore 100
Fastighets AB Skrubba Sweden 100
Dynex Technologies spol. s.r.o. Czech Republic 100
Thermo DYNEX Inc. Virginia 100
Labsystems, Inc. Delaware 100
Thermo BioAnalysis Japan K.K. Japan 100
Thermo Labsystems OY Finland 100
Thermo Labsystems (Shanghai) Co. Ltd. China 90
Thermo Labsystems India Pvt. Ltd. India 100
Thermo Clinical Labsystems Oy Finland 100
Labsystems (Hong Kong) Limited Hong Kong 99
JSC Thermo Labsystems Russia 95
Labsystems Sweden AB Sweden 100
Thermo Shandon Ltd. England 100
Anglia Scientific Instruments Limited England 100
Shandon Southern Instruments Limited England 100
Thermo Shandon Inc. Pennsylvania 100
E-C Apparatus Corporation Florida 100
Whale Scientific Corporation Colorado 100
ALKO Diagnostic Corporation Massachusetts 100
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STATE OR
JURISDICTION OF PERCENT OF
NAME INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------------------------------------
TBA Nucleonics Holding Corporation Delaware 100
Thermo BioAnalysis (Guernsey) Ltd. Channel Islands 100
Thermo BioAnalysis Limited England 100
Thermo Fast U.K. Limited England 100
Thermo Projects Limited England 100
Dynex Technologies Limited England 100
Thermo LabSystems Limited England 100
Thermo Electron Holding France SA. France 100
Thermo Finnigan France France 100
Finnigan Automass S.A. France 100
Thermo Hypersil S.A. France 100
Konelab SA France 100
Shandon France S.A. France 100
Thermo Radiometrie France 100
Thermo Instruments SAS France 100
Rutter Instrumentation S.A.R.L. France 100
Thermo Optek S.A.R.L. France 100
Thermo LabSystems S.A.R.L. France 100
Thermo Rheo S.A. France 100
Labsystems S.A.R.L. France 100
Thermo LabSystems (Australia) Pty Limited Australia 100
Thermo LabSystems Inc. Massachusetts 100
BioAnalysis Labsystems, S.A. Spain 100
Thermo Trace Ltd. Australia 100
Trace BioSciences Pty. Ltd. Australia 100
Thermo Trace BioSciences NZ Limited New Zealand 99
Trace America, Inc. Florida 100
Herbos Dijaganosticka Croatia 50
Shanghai Long March Chiron Trace Medical Science Co. Ltd. China 22
Thermo Environmental Instruments Inc. California 100
Thermo Andersen Inc. Delaware 100
Andersen Instruments Limited England 100
Thermo Instruments do Brasil Ltda. Brazil 100
(1% of which shares are owned directly
by Thermo Jarrell Ash Corporation)
Van Hengel Holding B.V. Netherlands 100
Thermo Optek S.A. Spain 100
Thermo Automation Systems Inc. Delaware 100
Thermo CIDTEC Inc. New York 100
Thermo Centro Vision Inc. Delaware 100
Hilger Crystals Limited England 100
Thermo Laser Science Inc. Delaware 100
Thermo Oriel Corporation Delaware 100
Thermo Power Corporation Massachusetts 100
ACI Holdings Inc. New York 100
T-Lyte Corporation Delaware 98
Holcroft (Canada) Limited Canada 100
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STATE OR
JURISDICTION OF PERCENT OF
NAME INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------------------------------------
TTT Metals of Minnesota Inc. Minnesota 100
TTT Metals of California Inc. California 100
TTT Metals of Wisconsin Inc. Wisconsin 100
TMA/Hanford, Inc. Washington 100
Clark-Trombley Consulting Engineers, Inc. Michigan 100
Thermo REI Inc. Michigan 100
Randers Engineering of Massachusetts, Inc. Michigan 100
RGPC Inc. Michigan 100
Thermo RDC Inc. Michigan 100
Thermo VTC Inc. Michigan 100
Fellows, Read & Associates, Inc. New Jersey 100
George A. Schock & Associates, Inc. New Jersey 100
Jennison Engineering, Inc. Vermont 100
Lancaster Laboratories LLC Delaware 100
Skinner & Sherman, Inc. Massachusetts 100
Thermo EuroTech (Delaware) Inc. Delaware 100
Thermo EuroTech Ireland Ltd. Ireland 100
ThermoRetec Corporation Delaware 100
ThermoRetec Construction Corporation Virginia 100
GeoWest Golden Inc. Colorado 100
GeoWest TriTechnics of Ohio, LLC Colorado 100
RETEC Thermal, Inc. Delaware 100
TRI Oak Ridge LLC Delaware 50
(additionally, 50% of the shares are owned
directly by Coleman Services Incorporated)
TRUtech L.L.C. Delaware 47.5*
Thermo Securities Corporation Delaware 100
Thermo Amex Finance, L.P. Delaware 99*
Thermo Amex Convertible Growth Fund I., L.P. Delaware 99*
Thermo Technology Ventures Inc. Idaho 100
Plasma Quench Investment Limited Partnership Delaware 60*
ThermoLase LLC Delaware 100
ThermoLase Japan L.L.C. Wyoming 50*
Trex Medical Corporation Delaware 100
Trex Medical Systems Corporation Delaware 100
Trophy Dental Inc. Virginia 100
Trex Medical France S.A. France 100
Trophy Radiologie S.A. France 100
Trophy Benelux S.A. Belgium 100
Trophy Radiologie Italia S.R.L. Italy 100
Trophy Radiologie Japan KK Japan 100
Trophy Radiologie GmbH Germany 100
P.T. Trophy Rajawali Indonesia Indonesia 51*
Trophy Radiologia Espana SA Spain 100
Trophy Radiologie U.K. Ltd. England 100
Thermo Corporation Delaware 100
* Joint Venture/Partnership