EXHIBIT 21
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MINE SAFETY APPLIANCES COMPANY
The registrant's present affiliates include the following:
State or Other
Jurisdiction of
Name Incorporation
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Compania MSA de Argentina S.A. Argentina
MSA (Aust.) Pty. Limited Australia
MSA-Auer Sicherheitstechnik Vertriebs GmbH Austria
MSA Export Limited Barbados
MSA Belgium NV Belgium
MSA do Brasil Ltda. Brazil
MSA Canada Canada
MSA de Chile Ltda. Chile
Wuxi-MSA Safety Equipment Co. Ltd. China
Rose Manufacturing Company Colorado
MSA International, Inc. Delaware
MSA de France France
MSA Auer Germany
MSA-Auer Hungaria Safety Technology Hungary
MSA Italiana S.p.A. Italy
MSA Japan Ltd. Japan
MSA de Mexico, S.A. de C.V. Mexico
MSA Nederland, B.V. Netherlands
MSA del Peru S.A.C. Peru
MSA-Auer Polska Sp. z o.o. Poland
MSA (Britain) Limited Scotland
MSA S.E. Asia Pte. Ltd. Singapore
MSA Africa (Pty.) Ltd. South Africa
MSA Espanola S.A. Spain
AB Tegma Sweden
MSA (Switzerland) Ltd. Switzerland
Aritron Instrument A.G. Switzerland
MSA Zimbabwe (Pvt.) Limited Zimbabwe
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The above-mentioned affiliated companies are included in the consolidated
financial statements of the registrant filed as part of this annual report. The
names of certain other affiliates, which considered in the aggregate as a single
affiliate would not constitute a significant affiliate, have been omitted.