EX-21 2 ese-20250930xex21.htm EX-21

EXHIBIT 21

Subsidiaries of ESCO Technologies Inc.

The following list omits certain of the Company’s subsidiaries which, if considered in the aggregate as a single subsidiary, would not, as of the end of the year covered by this Report, constitute a “significant subsidiary” as defined in SEC Regulation S-X.

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Name |  | State or Jurisdiction of Incorporation or Organization |  | Name(s) Under Which It Does Business
Beijing Lindgren E.M. Technology Co., Ltd. | ​ | People’s Republic of China | ​ | Same; also ETS-Lindgren
Crissair, Inc. | ​ | California | ​ | Same
Doble Engineering Company | ​ | Massachusetts | ​ | Same
Doble PowerTest Limited | ​ | England | ​ | Same
EMS Development Corporation | ​ | New York | ​ | Same; also ESCO Maritime Solutions
ESCO International Holding Inc. | ​ | Delaware | ​ | Same
ESCO Maritime Solutions Ltd. | ​ | England | ​ | Same
ESCO Technologies Holding LLC | ​ | Delaware | ​ | Same
ESCO UK Global Holdings Ltd. | ​ | England | ​ | Same
ETS-Lindgren Inc. | ​ | Illinois | ​ | Same
ETS-Lindgren OY | ​ | Finland | ​ | Same
ETS-Lindgren Technology (Tianjin) Co., Ltd. | ​ | People’s Republic of China | ​ | Same; also ETS-Lindgren
Globe Composite Solutions, LLC | ​ | Delaware | ​ | Same
I.S.A. – Altanova Group S.r.l. | ​ | Italy | ​ | Same; also Altanova
Mayday Manufacturing Co. | ​ | Texas | ​ | Same
Morgan Schaffer Ltd. | ​ | Quebec | ​ | Same
MPE Limited | ​ | England | ​ | Same
NRG Systems, Inc. | ​ | Vermont | ​ | Same
PMES I Limited | ​ | England | ​ | Same; also ESCO Maritime Solutions
PTI Technologies Inc. | ​ | Delaware | ​ | Same
Westland Technologies, Inc. | ​ | California | ​ | Same; also Globe Composite Solutions

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