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EXHIBIT 21
SUBSIDIARIES OF
ESCO TECHNOLOGIES INC.
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<TABLE>
<CAPTION>
STATE OR JURISDICTION OF
INCORPORATION OR NAME UNDER WHICH
NAME ORGANIZATION IT DOES BUSINESS
---- ------------ ----------------
<S> <C> <C>
Comtrak Technologies, L.L.C. Missouri Same
Distribution Control Systems Puerto Rico Same
Caribe, Inc.
Distribution Control Systems, Inc. Missouri Same
EMC Test Systems, L.P. Texas Same
ESCO Electronica De Mexico, Mexico Same
S.A. de C.V.
ESCO Technologies Inc. Missouri Same
Euroshield OY Finland Same
Filtertek Inc. Delaware Same and Tek
Packaging Division
Filtertek BV Netherlands Same
Filtertek de Puerto Rico, Inc. Delaware Same
Filtertek do Brazil Brazil Same
Filtertek SA France Same
Holaday Industries, Inc. Minnesota Same
Lindgren Inc. Delaware Rayproof Ltd.
PTI Advanced Filtration Inc. Delaware Same
PTI Technologies Inc. Delaware Same
PTI Technologies Limited England Same
Rantec Power Systems Inc. Delaware Same
Rayproof Ltd. England Same
The Curran Company Illinois Lindgren R.F.
Enclosures, Inc.
VACCO Industries California Same
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