Exhibit 21
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
As of February 28, 1997, the Registrant owned the following subsidiaries:
STATE OR PERCENT
NAME JURISDICTION OF OF
INCORPORATION OWNERSHIP
------------------------------------------------------------------------------
Coleman Research Corporation Florida 100
Coleman Information Services Corporation Delaware 100
Coleman Services Incorporated Delaware 100
Traveller Information Services, Inc. Alabama 75
Nicolet Biomedical Inc. California 100
Eden Medical Electronics, Inc. Delaware 100
Eden Medizinische Elektronik GmbH Germany 100
Neuroscience Limited United Kingdom 100
Nicolet Biomedical Japan Inc. Japan 100
Nicolet Biomedical Ltd. United Kingdom 100
Nicolet Biomedical S.A.R.L. France 100
Peter Brotherhood Holdings Ltd. United Kingdom 100
Peter Brotherhood Limited United Kingdom 100
D.S.T. Pattern & Engineering Co. Ltd. United Kingdom 100
FES International Limited United Kingdom 100
Link Control Technology Ltd. United Kingdom 100
Machtech Ltd. United Kingdom 100
Peter Brotherhood Pension Fund Trustees Ltd. United Kingdom 100
Sensonics Ltd. United Kingdom 100
Thermo Electron Realty Limited United Kingdom 100
Turboflex Limited United Kingdom 100
T & A Nash (Penn) Limited United Kingdom 100
Torsiflex Limited United Kingdom 100
(50% of which shares are owned directly
by Peter Brotherhood Limited)
Vikram Brotherhood Turbines Ltd. United Kingdom 51*
Thermo Holdings Limited United Kingdom 100
SensorMedics Corporation Delaware 100
SensorMedics B.V. The Netherlands 100
SensorMedics Critical Care Corporation California 100
SensorMedics (Deutschland) GmbH Germany 100
SensorMedics FSC Corporation Virgin Islands 100
Termo Electron, S.A. de C.V. Mexico 100
The Thermo Electron Companies Inc. Wisconsin 100
Bird Medical Technologies, Inc. California 100
Bird International, Inc. U.S. Virgin 100
Islands
Bird Products Corporation California 100
Bird Life Design Corporation California 100
Stackhouse, Inc. California 100
Gulf Precision, Inc. Arizona 100
Seeley Enterprises, Inc. New Mexico 100
International Technidyne Corporation Delaware 100
International Technidyne Corporation Limited United Kingdom 100
Loftus Furnace Company Pennsylvania 100
Medical Data Electronics, Inc. Delaware 100
Met-Therm, Inc. Ohio 100
NAPCO, Inc. Connecticut 100
Page 1PAGE
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
STATE OR PERCENT
NAME JURISDICTION OF OF
INCORPORATION OWNERSHIP
------------------------------------------------------------------------------
North East Surgical Tool Corp. Massachusetts 100
Nicolet Biomedical of California Inc. California 100
North Carbondale Minerals, Inc. California 100
Overly, Inc. Wisconsin 100
Perfection Heat Treating Company Michigan 100
San Marcos Resource Recovery, Inc. California 100
Southern Ocean County Resource Recovery, Inc. New Jersey 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.)
Tecomet Inc. Massachusetts 100
Thermedics Inc. Massachusetts 55
Orion Foreign Sales Corp. U.S. Virgin 100
Islands
Orion Research Limited United Kingdom 100
Orion Research Puerto Rico, Inc. Delaware 100
Corpak Inc. Massachusetts 100
Walpak Company Illinois 100
Orion Research, Inc. Massachusetts 100
Russell pH Limited Scotland 100
Thermedics Detection Inc. Massachusetts 94
Rutter & Co. The Netherlands 100
Rutter Instrumentation S.A.R.L. France 90
Systech B.V. The Netherlands 50
ThermedeTec Corporation Delaware 100
Thermedics Detection de Argentina S.A. Argentina 100
(1% of which shares are owned
directly by Thermedics Detection Inc.)
Thermedics Detection de Mexico, S.A. Mexico 100
de C.V.
Thermedics Detection GmbH Germany 100
Thermedics Detection Limited United Kingdom 100
Thermedics Detection Scandinavia AS Norway 100
Thermo Sentron Inc. Delaware 73
(additionally, 2.53% of the shares are owned
directly by The Thermo Electron Companies
Inc.)
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
Ramsey Technology Inc. Massachusetts 100
Xuzhou Ramsey Technology Co., Limited China 50*
Thermo Sentron Australia Pty. Ltd.. Australia 100
Thermo Sentron B.V. The Netherlands 100
Page 2PAGE
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
STATE OR PERCENT
NAME JURISDICTION OF OF
INCORPORATION OWNERSHIP
------------------------------------------------------------------------------
Thermo Sentron Canada Inc. Canada 100
Thermo Sentron GmbH Germany 100
Thermo Sentron Limited United Kingdom 100
Hitech Electrocontrols Limited United Kingdom 100
Hitech Licenses Ltd. United Kingdom 100
Hitech Metal Detectors Ltd. United Kingdom 100
Thermo Sentron SEC Corporation Massachusetts 100
Thermo Sentron (South Africa) Pty. Ltd. South Africa 100
TMD Securities Corporation Massachusetts 100
Thermo Cardiosystems Inc. Massachusetts 54
(additionally, .13% of the shares are owned
directly by The Thermo Electron Companies
Inc.)
Nimbus Inc. Massachusetts 100
TCA Securities Corporation Massachusetts 100
Thermo Voltek Corp. Delaware 52
(additionally, .53% of the shares are owned
directly by The Thermo Electron Companies
Inc.)
Comtest Europe B.V. The Netherlands 100
Comtest Instrumentation, B.V. The Netherlands 100
Comtest Italia S.R.L. Italy 100
Comtest Limited United Kingdom 100
TVL Securities Corporation Delaware 100
UVC Realty Corp. New York 100
Thermo Administrative Services Corporation Delaware 100
Thermo Amex Management Company Inc. Delaware 100
Thermo Amex Finance, L.P. Delaware 99*
Thermo Amex Convertible Growth Fund Delaware 99*
I., L.P.
Thermo Ecotek Corporation Delaware 82
Caribbean Cogeneration Company, Inc. Massachusetts 100
Delano Energy Company Inc. Delaware 100
Delano Operations Company, Inc. California 100
Eco Fuels Inc. Wyoming 100
EuroEnergy Group, B.V. Italy 50*
Gatepeak Corporation Delaware 100
KFP Operating Company, Inc. Delaware 100
Independent Power Services Corporation Nevada 100
SFS Corporation New Hampshire 100
TCK Fuels Inc. Delaware 100
KFx Fuel Partners, L.P. Delaware 95*
(2% of which is owned
directly by Eco Fuels Inc.)
Tenpeak Corporation Nevada 100
TES Securities Corporation Delaware 100
Thermendota, Inc. California 100
Mendota Biomass Power, Ltd. California 60*
MBPL Agriwaste Corporation California 100
Thermo Ecotek International Holdings Inc. Cayman Islands 100
Page 3PAGE
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
STATE OR PERCENT
NAME JURISDICTION OF OF
INCORPORATION OWNERSHIP
------------------------------------------------------------------------------
Thermo Ecotek International Inc. Cayman Islands 100
TCK Cogeneration Dominicana Inc. Cayman Islands 100
(1% of which shares are owned directly by
Thermo Ecotek International Holdings Inc.)
TCK Dominicana Holdings Inc. Cayman Islands 100
(1% of which shares are owned directly by
Thermo Ecotek International Holdings Inc.)
Thermo EuroVentures sro Czech Republic 100
Thermo Electron of Maine, Inc. Maine 100
Gorbell/Thermo Electron Power Company Maine 80*
Thermo Electron of New Hampshire, Inc. New Hampshire 100
Hemphill Power and Light Company New Hampshire 66*
Thermo Electron of Whitefield, Inc. New Hampshire 100
Whitefield Power and Light Company New Hampshire 100*
(39% of which is owned
directly by SFS Corporation)
Thermo Fuels Company, Inc. California 100
Thermo Trilogy Corporation Delaware 100
AgriSense-BCS, Ltd. United Kingdom 100
Woodland Biomass Power, Inc. California 100
Woodland Biomass Power, Ltd. California 100*
(.1% of which is owned directly
by Thermo Ecotek Corporation)
Thermo Electron Foundation, Inc. Massachusetts 100
Thermo Electron Metallurgical Services, Inc. Texas 100
Thermo Fibertek Inc. Delaware 84
AES Equipos y Sistemas S.A. de C.V. Mexico 100
Enviroprint Inc. Delaware 100
Fibertek Construction Company, Inc. Maine 100
Thermo AES Canada Inc. Canada 100
Thermo Web Systems, Inc. Massachusetts 100
Fiberprep Inc. Delaware 95
(31.05% of which shares are owned
directly by E. & M. Lamort, S.A.)
Fiberprep Securities Corporation Delaware 100
Thermo Wisconsin, Inc. Wisconsin 100
Thermo Fibergen Inc. Delaware 69
GranTek Inc. Wisconsin 100
Thermo Fibertek U.K. Limited United Kingdom 100
Vickerys Holdings Limited United Kingdom 100
Vickerys Limited United Kingdom 100
Paperlines Limited New Zealand 100
Vickerys Projects Limited United Kingdom 100
Winterburn Limited United Kingdom 100
TMO Lamort Holdings Inc. Delaware 100
E. & M. Lamort, S.A. France 100
Lamort Equipementos Industrials Ltda. Brazil 60*
Lamort GmbH Germany 100
Lamort Iberia S.A. Spain 100
Lamort Italia S.R.L. Italy 100
Page 4PAGE
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
STATE OR PERCENT
NAME JURISDICTION OF OF
INCORPORATION OWNERSHIP
------------------------------------------------------------------------------
Lamort Paper Services Ltd. United Kingdom 100
Nordiska Lamort Lodding A.B. Sweden 100
Thermo Instrument Systems Inc. Delaware 82
Analytical Instrument Development, Inc. Pennsylvania 100
Eberline Instrument Company Limited United Kingdom 100
Eberline Instrument Corporation New Mexico 100
Epsilon Industrial Inc. Texas 100
Flow Automation (UK) Limited United Kingdom 100
Gas Tech Inc. California 100
Gas Tech Australia, Pty. Ltd. Australia 50*
Gas Tech Partnership California 50*
Gastech Instruments Canada Ltd. Canada 100
Houston Atlas Inc. Texas 100
Metrika Systems Corporation Delaware 84
Eberline Radiometrie S.A. France 100
Gamma-Metrics California 100
Gamma-Metrics International F.S.C. Inc. Guam 100
Thermo Instrument Systems GmbH Germany 100
Eberline Instruments GmbH Germany 100
Thermo Instrument Systems Limited United Kingdom 100
National Nuclear Corporation California 100
Optek-Nicolet Holdings Inc. Wisconsin 100
Thermo Instrument Controls Limited United Kingdom 100
Thermo Optek Corporation Delaware 93
(additionally, .30% of the shares are owned
directly by The Thermo Electron Companies
Inc.)
ARL Applied Research Laboratories S.A. Switzerland 100
Fisons Instruments (Proprietary) South Africa 100
Limited
Thermo Optek Wissenschaftliche Gerate Austria 100
GesmbH
ATI Acquisition Corp. Wisconsin 100
Mattson Instruments Limited United Kingdom 100
Thermo Elemental Limited United Kingdom 100
Thermo Optek Limited United Kingdom 100
Unicam Limited United Kingdom 100
Unicam Export Limited United Kingdom 100
Unicam Analytical Inc. Canada 100
Unicam Analytical Technology The The Netherlands 100
Netherlands B.V.
Unicam Italia SpA Italy 100
Unicam S.A. Belgium 100
Fisons Instruments Inc. Canada 100
Fisons Instruments Nordic AB Sweden 100
Nicolet Instrument Corporation Wisconsin 100
Nicolet Japan K.K. Japan 100
Spectra-Tech, Europe Limited United Kingdom 100
Spectra-Tech, Inc. Wisconsin 100
Page 5PAGE
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
STATE OR PERCENT
NAME JURISDICTION OF OF
INCORPORATION OWNERSHIP
------------------------------------------------------------------------------
Nicolet Instrument GmbH Germany 100
Optek Securities Corporation Massachusetts 100
Planweld Holding Limited United Kingdom 100
Nicolet Instrument Limited United Kingdom 100
Planweld Limited United Kingdom 100
Hilger Analytical Limited United Kingdom 100
Thermo Electron Limited United Kingdom 100
Thermo Instrument Systems Japan Delaware 100
Holdings, Inc.
Nippon Jarrell-Ash Company, Ltd. Japan 100
Thermo Jarrell Ash Corporation Massachusetts 100
Baird Do Brazil Representacoes Ltda. Brazil 100
Beijing Baird Analytical Instrument China 100
Technology Co. Limited
Thermo Instrument Systems (F.E.) China 100
Limited
Thermo Instruments (Canada) Inc. Canada 100
Eberline Instruments (Canada) Ltd. Canada 100
Thermo Optek France S.A. France 100
Thermo Optek Holding B.V. The Netherlands 100
Baird Europe B.V. The Netherlands 100
Baird France S.A.R.L. France 100
Thermo Group B.V. The Netherlands 100
Thermo Vision Corporation Delaware 100
CID Technologies Inc. New York 100
Laser Science, Inc. Delaware 100
Oriel Instruments Corporation Delaware 100
Oriel Foreign Sales Corp. U.S. Virgin 100
Islands
Scientific Measurement Systems Inc. Colorado 100
ThermoSpectra Corporation Delaware 75
(additionally, .88% of the shares are owned
directly by The Thermo Electron Companies
Inc.)
Diametrix Detectors, Inc. Delaware 50
Gould Instrument Systems, Inc. Ohio 100
Kevex Instruments Inc. Delaware 100
Kevex X-Ray Inc. Delaware 100
Nicolet Instrument Technologies Inc. Wisconsin 100
NORAN Instruments Inc. Wisconsin 100
Park Acquisition Corp. Delaware 100
ThermoSpectra B.V. The Netherlands 100
Nicolet Technologies B.V. The Netherlands 100
Bakker Electronics Limited United Kingdom 100
NORAN Instruments B.V. The Netherlands 100
ThermoSpectra GmbH Germany 100
Gould Nicolet Messtechnik GmbH Germany 100
NORAN Instruments GmbH Germany 100
ThermoSpectra Limited United Kingdom 100
Nicolet Technologies Ltd. United Kingdom 100
Page 6PAGE
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
STATE OR PERCENT
NAME JURISDICTION OF OF
INCORPORATION OWNERSHIP
------------------------------------------------------------------------------
Thermo Spectra S.A. France 100
Nicolet Technologies S.A.R.L. France 100
Quest-Finnigan Holdings Inc. Virginia 100
Quest-TSP Holdings Inc. Delaware 100
ThermoQuest Corporation Delaware 93
(50% of which shares are owned
directly by Quest-Finnigan Holdings Inc.)
(additionally, .12% of the shares are owned
directly by The Thermo Electron Companies
Inc.)
Finnigan FT/MS Inc. Delaware 100
Finnigan Corporation 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 AG Switzerland 100
Finnigan MAT Canada, Ltd. Canada 100
Finnigan MAT GmbH Germany 100
Finnigan MAT S.R.L. Italy 100
Thermo Separation Products S.R.L. Italy 100
Thermo Instruments Australia Pty Australia 100
Limited
ThermoQuest Ltd. United Kingdom 100
Finnigan MAT Ltd. United Kingdom 100
Finnigan MAT AB Sweden 100
Thermo Separation Products Ltd. United Kingdom 100
Finnigan Properties, Inc. California 100
Masslab Limited United Kingdom 100
ThermoQuest B.V. The Netherlands 100
Thermo Separation Products B.V. The Netherlands 100
Thermo Separation Products B.V. B.A. Belgium 100
ThermoQuest France S.A. France 100
Finnigan Automass S.A. France 100
Finnigan MAT S.A.R.L. France 100
Thermo Separation Products S.A. France 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
Thermo Separation Products Inc. Delaware 100
ThermoQuest GmbH Germany 100
Thermo Separation Products GmbH Germany 100
ThermoQuest K.K. Japan 100
SID Instruments Inc. Delaware 100
FI Instruments Inc. Delaware 100
Page 7PAGE
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
STATE OR PERCENT
NAME JURISDICTION OF OF
INCORPORATION OWNERSHIP
------------------------------------------------------------------------------
Fisons Instruments BV The Netherlands 100
Fisons Instruments NV Belgium 100
Fisons Instruments K.K. Japan 100
Fisons Instruments S.A. France 100
HB Instruments Inc. Delaware 100
NK Instruments Inc. Delaware 100
Thermo Capillary Electrophoresis Inc. Delaware 100
Thermo Haake Ltd. United Kingdom 100
Thermo Haake (U.K.) Limited United Kingdom 100
Thermo Instrument (S.E.A.) Pte Limited Singapore 100
Thermo Instrumentos Cientificos S.A. Spain 100
Thermo VG Systems Limited United Kingdom 100
Spectrace Instruments Inc. California 100
Thermo BioAnalysis Corporation Delaware 67
(4.7% of which shares are owned directly by
Quest-TSP Holdings Inc. and 2% of which
shares are owned directly by
Quest-Finnigan Holdings Inc.)
Dynatech Laboratories spol. s.r.o. Czech Republic 100
DYNEX Technologies (Asia) Inc. Delaware 100
DYNEX Technologies Inc. Virginia 100
Thermo BioAnalysis GmbH Germany 100
Dynatech Deutschland GmbH Germany 100
Thermo LabSystems Vertriebs GmbH Germany 100
Thermo BioAnalysis (Guernsey) Ltd. Channel Islands 100
Thermo BioAnalysis Holding, Limited United Kingdom 100
Dynex Technologies Limited United Kingdom 100
Thermo BioAnalysis Ltd. United Kingdom 100
Thermo FAST UK Limited United Kingdom 100
Thermo LabSystems Limited United Kingdom 100
Thermo BioAnalysis S.A. France 100
Thermo LabSystems S.A.R.L. France 100
Thermo LabSystem (Australia) Pty Limited Australia 100
Thermo LabSystems Inc. Massachusetts 100
Thermo Environmental Instruments Inc. California 100
Thermo Instrument Controls Inc. Delaware 100
Flow Automation Inc. Texas 100
Thermo Instrument Controls de Mexico, Mexico 100
S.A. de C.V.(1% of which shares are
owned directly by Thermo Instrument
Systems Inc.)
VG Gas Analysis Systems Inc. Massachusetts 100
Thermo Instruments do Brasil Ltda. Brazil 100
(1% of which shares are owned directly
by Thermo Jarrell Ash Corporation)
TN Technologies Inc. Texas 100
Kay-Ray/Sensall, Inc. Delaware 100
TN Technologies Canada Inc. Canada 100
VG Gas Analysis Limited United Kingdom 100
Van Hengel Holding B.V. The Netherlands 100
Page 8PAGE
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
STATE OR PERCENT
NAME JURISDICTION OF OF
INCORPORATION OWNERSHIP
------------------------------------------------------------------------------
Eberline Monitoring GmbH Germany 100
Fisons Instruments Vertriebs GmbH Germany 100
Gebruder Haake GmbH Germany 100
Thermo Instrument Systems B.V. The Netherlands 100
Euroglas B.V. The Netherlands 100
Thermo Automation Services (ThAS) B.V. The Netherlands 100
This Analytical B.V. The Netherlands 100
This Gas Analysis B.V. The Netherlands 100
This Lab Systems B.V. The Netherlands 100
This Scientific B.V. The Netherlands 100
Thermo Instruments GmbH Germany 100
Thermo Jarrell Ash, S.A. Spain 100
TN Spectrace Europe B.V. The Netherlands 100
Westronics Inc. Texas 100
Thermo Leasing Corporation Delaware 100
Thermo Capital Company LLC Delaware 50*
Thermo Power Corporation Massachusetts 65
NuTemp, Inc. Illinois 100
Takepine Limited United Kingdom 100
Tecogen Securities Corporation Massachusetts 100
ThermoLyte Corporation Delaware 78
Thermo TerraTech Inc. Delaware 81
CarlanKillam Consulting Group, Inc. Florida 100
Carlan Consulting Group of Alabama, Inc. Alabama 100
CarlanKillam Construction Services, Inc. Florida 100
Holcroft (Canada) Limited Canada 100
Holcroft Corporation Delaware 100
Holcroft GmbH Germany 100
Metallurgical, Inc. Minnesota 100
Cal-Doran Metallurgical Services, Inc. California 100
Metal Treating Inc. Wisconsin 100
Normandeau Associates, Inc. New Hampshire 100
Thermo Analytical Inc. Delaware 100
Skinner & Sherman, Inc. Massachusetts 100
Thermo Consulting & Design Inc. Delaware 100
Engineering Technology and Knowledge Delaware 100
Corporation
Elson T. Killam Associates, Inc. New Jersey 100
Bettigole Andrews Clark & Killam New York 100
Associates Inc.
N. H. Bettigole Co., Inc. Delaware 100
N. H. Bettigole, P.A. New Jersey 100
N. H. Bettigole, P.C. New York 100
Duncan, Lagnese and Associates, Pennsylvania 100
Incorporated
E3-Killam, Inc. New York 100
Killam Associates, Inc. Ohio 100
Killam Management and Operational New Jersey 100
Services, Inc.
Page 9PAGE
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
STATE OR PERCENT
NAME JURISDICTION OF OF
INCORPORATION OWNERSHIP
------------------------------------------------------------------------------
Fellows, Read & Associates, Inc. New Jersey 100
Killam Associates, New England Inc. Delaware 100
George A. Schock & Associates, Inc. New Jersey 100
Jennison Engineering, Inc. Vermont 100
Thermo EuroTech N.V. The Netherlands 53
Amerika Tankinstallaties B.V. The Netherlands 100
Grond- & Watersaneringstechniek The Netherlands 100
Nederland B.V.
High-Tech Trouble-Shooters B.V. The Netherlands 100
Jac. Amerika en Zonen B.V. The Netherlands 100
Refining & Trading Holland B.V. The Netherlands 100
Thermo Remediation Inc. Delaware 69
(additionally, 1.45% of the shares are owned
directly by The Thermo Electron Companies
Inc.)
Eberline Holdings Inc. Delaware 100
Eberline Analytical Corporation New Mexico 100
Thermo Hanford Inc. Delaware 100
TMA/NORCAL Inc. California 100
IEM Sealand Corporation Virginia 100
Remediation Technologies, Inc. Delaware 100
RETEC Thermal, Inc. Delaware 100
ReTec/Tetra L.C. Texas 50*
Thermo Fluids Inc. Delaware 100
TPS Technologies Inc. Florida 100
TPST Soil Recyclers of California Inc. California 100
California Hydrocarbon, Inc. Nevada 100
TPST Soil Recyclers of Maryland Inc. Maryland 100
Todds Lane Limited Partnership Maryland 100*
(1% of which is owned directly
by TPS Technologies Inc.)
TPST Soil Recyclers of New York Inc. New York 100
TPST Soil Recyclers of Oregon Inc. Oregon 100
TPST Soil Recyclers of South Carolina Delaware 100
Inc.
TPST Soil Recyclers of Virginia Inc. Delaware 100
TPST Soil Recyclers of Washington Inc. Washington 100
TMA/Hanford, Inc. Washington 100
Thermo Securities Corporation Delaware 100
Thermo Soil Recyclers Inc. Massachusetts 100
Thermo Technology Ventures Inc. Idaho 100
Plasma Quench Investment Limited Partnership Delaware 60*
ThermoTrex Corporation Delaware 51
ThermoLase Corporation Delaware 64
CBI Laboratories, Inc. Texas 100
ThermoDess S.A.S. France 50*
ThermoLase France L.L.C. Delaware 50*
ThermoLase Japan L.L.C. Wyoming 50*
ThermoTrex East Inc. Massachusetts 100
Trex Medical Corporation Delaware 79
Page 10PAGE
THERMO ELECTRON CORPORATION
Subsidiaries of the Registrant
STATE OR PERCENT
NAME JURISDICTION OF OF
INCORPORATION OWNERSHIP
------------------------------------------------------------------------------
Bennett X-Ray Corporation New York 100
Bennett International Corporation U.S. Virgin 100
Islands
Eagle X-Ray, Inc. New York 100
Island X-Ray Incorporated New York 100
Continental X-Ray Corporation Delaware 100
Thermo Lorad F.S.C. Inc. U.S. Virgin 100
Islands
Trex Communications Corporation Delaware 100
XRE Corporation Delaware 100
TMO, Inc. Massachusetts 100
TMOI Inc. Delaware 100
Thermo Biomedical Inc. Delaware 100
Thermo Electron Export Inc. Barbados 100
(equally owned among TMO, TMD, TCA, TCK, TFT,
THI, THP, TTT, TVL, TLZ, THS, TBA, TOC, TMQ
and TXM )
Thermo Electron (London) Ltd. United Kingdom 50*
Thermo Finance (UK) Limited United Kingdom 100
* Joint Venture/Partnership