Exhibit 21
Thermo Instrument Systems Inc. - Subsidiaries of the Registrant
At March 6, 1996, Thermo Instrument Systems Inc. owned the following companies:
STATE OR
JURISDICTION
OF PERCENT OF
NAME INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------
Thermo Instrument Systems Inc. Delaware 85.61**
Analytical Instrument Development, Inc. Pennsylvania 100
ATI Acquisition Corp. Wisconsin 100
Mattson Instruments Limited United Kingdom 100
Unicam Analytical Inc. Canada 100
Unicam Analytical Technology Netherlands Netherlands 100
B.V.
Unicam Analytische System GmbH Germany 100
Unicam France S.A. France 100
Unicam Italia SpA Italy 100
Unicam S.A. Belgium 100
Unicam Technology Limited United Kingdom 100
Unicam Limited United Kingdom 100
Unicam Export Limited United Kingdom 100
Eberline Instrument Company Limited United Kingdom 100
Eberline Instrument Corporation New Mexico 100
Epsilon Industrial Inc. Texas 100
Gamma-Metrics California 100
Gamma-Metrics International F.S.C. Inc. Guam 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
National Nuclear Corporation California 100
Optek-Nicolet Holdings Inc. Wisconsin 100
Thermo Optek Corporation Delaware 100
Nicolet Instrument Corporation Wisconsin 100
Nicolet Japan K.K. Japan 100
Spectra-Tech, Europe Limited United Kingdom 100
Spectra-Tech, Inc. Wisconsin 100
Nicolet Instrument GmbH Germany 100
Nicolet Instrument S.A.R.L. France 100
Thermo Instrument Systems Japan Holdings, Delaware 100
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 Ltd. United Kingdom 100
Nicolet Instrument Limited United Kingdom 100
Planweld Limited United Kingdom 100
Hilger Analytical Limited United Kingdom 100
Page 1PAGE
Thermo Instrument Systems Inc. - Subsidiaries of the Registrant
At March 6, 1996, Thermo Instrument Systems Inc. owned the following companies:
STATE OR
JURISDICTION
NAME OF PERCENT OF
INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------
Thermo Electron Limited United Kingdom 100
Thermo Vision Corporation Delaware 100
CID Technologies Inc. New York 100
Oriel Corporation Delaware 100
Andor Technology Limited United Kingdom 51.25
Oriel Foreign Sales Corp. U. S. Virgin 100
Islands
Scientific Measurement Systems Inc. Colorado 100
ThermoSpectra Corporation Delaware 72.39**
Beleggingsmaatschappij Zeis B.V. Netherlands 100
Bakker Electronics Dongen B.V. Netherlands 100
Bakker Electronics Limited United Kingdom 100
Diametrix Detectors, Inc. Delaware 50
Gould Instrument Systems, Inc. Ohio 100
Gould Instrument Systems GmbH Germany 100
NORAN Instruments GmbH Germany 100
Gould Instrument Systems Limited United Kingdom 100
Nicolet Technologies Ltd. United Kingdom 100
Gould Instruments S.A. France 100
Nicolet Instrument Technologies Inc. Wisconsin 100
Nicolet Technologies S.A.R.L. France 100
NORAN Instruments Inc. Wisconsin 100
Quest-Finnigan Holdings Inc. Virginia 100
Quest-TSP Holdings Inc. Delaware 100
ThermoQuest Corporation Delaware 100
(50% of which shares are owned
directly by Quest-Finnigan Holdings Inc.)
Extrel FTMS, 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 S.A.R.L. France 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
Page 2PAGE
Thermo Instrument Systems Inc. - Subsidiaries of the Registrant
At March 6, 1996, Thermo Instrument Systems Inc. owned the following companies:
STATE OR
JURISDICTION
NAME OF PERCENT OF
INCORPORATION OWNERSHIP
- -----------------------------------------------------------------------------
Thermo Instrument Systems (France) S.A. France 100
Thermo Separation Products S.A. France 100
Thermo Separation Products AG Switzerland 100
Thermo Separation Products Inc. Delaware 100
ThermoQuest GmbH Germany 100
Finnigan MAT GmbH Germany 100
Thermo Separation Products GmbH Germany 100
ThermoQuest K.K. Japan 100
SID Instruments Inc. Delaware 100
ARL Inc. Delaware 100
FI Instruments Inc. Delaware 100
FI Ltd. United Kingdom 100
HB Instruments Inc. Delaware 100
Masslab Limited United Kingdom 100
NK Instruments Inc. Delaware 100
Thermo Elemental Limited United Kingdom 100
Thermo FAST UK Limited United Kingdom 100
Thermo Haake Ltd. United Kingdom 100
Thermo Labsystems Limited United Kingdom 100
Thermo SID (Australia) Pty. Ltd. Australia 100
Spectrace Instruments Inc. California 100
Thermo BioAnalysis Corporation Delaware 80.23**
(7% of which shares are owned directly by
Quest-TSP Holdings Inc. and 3% of which
shares are owned directly by Quest-Finnigan
Holdings Inc.)
BioAnalysis International Sales Inc. Delaware 100
DLW Inc. Virginia 100
Dynatech Deutschland GmbH Germany 100
Dynatech Laboratories spol. s.r.o. Czech Republic 100
Thermo BioAnalysis (Guernsey) Limited Channel 100
Islands
Thermo BioAnalysis Ltd. United Kingdom 100
Thermo BioAnalysis S.A. France 100
Thermo Environmental Instruments Inc. California 100
Thermo Instrument Controls Inc. Delaware 100
Thermo Instrument Controls de Mexico, S.A. Mexico 100
de C.V. (1% of which shares are owned
directly by Thermo Instrument Systems
Inc.)
Thermo Instruments do Brasil Ltda. Brazil 100
(1% of which shares are owned directly
by Thermo Jarrell Ash Corporation)
Thermo Instruments F.S.C. Inc. U.S. Virgin 100
Islands
TN Technologies Inc. Texas 100
TN Technologies Canada Inc. Canada 100
Van Hengel Holding B.V. Netherlands 100
Page 3PAGE
Thermo Instrument Systems Inc. - Subsidiaries of the Registrant
At March 6, 1996, Thermo Instrument Systems Inc. owned the following companies:
STATE OR
JURISDICTION
NAME OF PERCENT OF
INCORPORATION OWNERSHIP
- ------------------------------------------------------------------------------
Baird Europe B.V. Netherlands 100
Baird France S.A.R.L. France 100
Thermo Instrument Systems B.V. Netherlands 100
Euroglas B.V. Netherlands 100
Hilkomij B.V. Netherlands 100
NORAN Instruments B.V. Netherlands 100
Thermo Automation Services (ThAS) B.V. Netherlands 100
Van Oortmerssen B.V. Netherlands 100
Thermo Instrument Systems GmbH Germany 100
(24% of which shares are owned directly
by Thermo Instrument Systems Inc.)
Eberline Instruments GmbH Germany 100
Thermo Instruments GmbH Germany 100
Thermo Jarrell Ash (Europe) B.V. Netherlands 100
Thermo Jarrell Ash, S.A. Spain 100
Thermo Separation Products B.V. Netherlands 100
Thermo Separation Products B.V. B.A. Belgium 100
TN Spectrace Europe B.V. Netherlands 100
Westronics Inc. Texas 100
* Joint Venture/Partnership ** As of 12/30/95