EX-21.1
Published on February 19, 2026
Exhibit 21.1
Mirion Technologies, Inc.
List of Subsidiaries
Mirion IntermediateCo, Inc. | Delaware, USA | ||||
Mirion Technologies (US Holdings), Inc. | Delaware, USA | ||||
Mirion Technologies (HoldingRep), Ltd. | United Kingdom | ||||
Mirion Technologies (Global), Ltd. | United Kingdom | ||||
Mirion Technologies (US), Inc. | 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 (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 (Capintec), Inc. | Delaware, USA | ||||
Mirion Technologies (Premium Analyse) SAS | France | ||||
Mirion Technologies (Selmic) Oy | Finland | ||||
Mirion Technologies Selmic Baltic OÜ | Estonia | ||||
Mirion Medical GmbH | Germany | ||||
Sun Nuclear Corp. | Florida, USA | ||||
Sun Nuclear GmbH | Germany | ||||
Sun Nuclear B.V. | Netherlands | ||||
LLEPTANT ANNEX, LLC | Delaware, USA | ||||
Safeline Monitors, LLC | Connecticut, USA | ||||
| Crimson Engineered Solutions, L.L.C. | Texas, USA | ||||
| WCI-Gigawatt Intermediate-Holdco, LLC | Delaware, USA | ||||
| WCI-Gigawatt Midco, LLC | Delaware, USA | ||||
| WCI-Gigawatt Purchaser, LLC | Delaware, USA | ||||
| Paragon Energy Solutions, LLC | Delaware, USA | ||||
| Paragon-Rock Creek, LLC | Delaware, USA | ||||
| 66 MPH, LLC | Kansas, USA | ||||