Exhibit 21.1

Mirion Technologies, Inc.

List of Subsidiaries

 

Mirion Technologies (TopCo), Ltd.    Jersey
Mirion IntermediateCo, Inc.    Delaware, USA
Mirion Technologies (HoldingSub1), Ltd.    United Kingdom
Mirion Technologies (HoldingSub2), Ltd.    United Kingdom
Mirion Technologies (US Holdings), Inc.    Delaware, USA
Mirion Technologies (HoldingRep), Ltd.    United Kingdom
Mirion Technologies (UK), Inc.    United Kingdom
Mirion Technologies (Global), Ltd.    United Kingdom
Mirion Technologies (US), Inc.    Delaware, USA
IST Acquisitions, LLC    Delaware, USA
Mirion Technologies (GDS), Inc.    Delaware, USA
Mirion Technologies (Conax Nuclear), Inc.    New York, USA
Mirion Technologies (Canberra), Inc.    Delaware, USA
Mobile Characterization Services LLC    New Mexico, USA
Materials Characterization Company LLC    New Mexico, USA
Mirion Technologies (France) SAS    France
Mirion Technologies (IST) Corporation    New York, USA
Mirion Technologies (IST France) SAS    France
Mirion Technologies (MGPI) SAS    France
Mirion Technologies (Canberra) SAS    France
Mirion Technologies (RADOS) Oy    Finland
Mirion Technologies (Germany) GmbH    Germany
Mirion Technologies (RADOS) GmbH i. L.    Germany


Mirion Technologies (MGPI H&B) GmbH    Germany
Mirion Technologies (Canberra) GmbH    Germany
Mirion Technologies (IST) Limited    United Kingdom
Mirion Technologies (Canberra UK) Limited    United Kingdom
Mirion Technologies (UK Holdco), Ltd.    United Kingdom
Mirion Technologies (HK) Limited    Hong Kong
Mirion Commercial (Beijing) Co., Ltd.    China
Mirion Technologies (IST Canada) ULC    British Columbia, Canada
Mirion Technologies (Canberra CA) Ltd.    Ontario, Canada
Mirion Technologies (Canberra BNLS) NV    Zellik, Belgium
Mirion Technologies (Canberra Olen) NV    Olen, Belgium
Mirion Technologies (Canberra) KK    Japan
Mirion Technologies (Dosimetry Services) B.V.    Netherlands
Mirion Technologies (Luxembourg) S.à r.l.    Luxembourg
Mirion Technologies (Capintec), Inc.    Delaware, USA
Mirion Technologies (Premium Analyse) SAS    France
Mirion Technologies (Selmic) Oy    Finland
Mirion Technologies Selmic Baltic OÜ    Estonia
Mirion Technologies (AWST) GmbH    Germany
Biodex Medical Systems, Inc.    New York, USA
Sun Nuclear Corp.    Florida, USA
Gammex, Inc.    Wisconsin, USA
Sun Nuclear GmbH    Germany
Sun Nuclear B.V.    Netherlands

 

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