Exhibit 21.1
SOTERA HEALTH COMPANY
The following is a list of subsidiaries of Sotera Health Company, omitting subsidiaries which are dormant entities without any operations and holding no or de minimis assets, and which, considered in the aggregate as a single subsidiary, would not constitute a significant subsidiary as of February 28, 2023.
Name of Subsidiary | Jurisdiction of Incorporation | |||||||
Companhia Brasileira de Esterilização | Brazil | |||||||
DEROSS Holding B.V. | Netherlands | |||||||
Nelson Laboratories, LLC | Delaware | |||||||
Nelson Laboratories Bozeman, LLC | Delaware | |||||||
Nelson Laboratories Fairfield Holdings, LLC | Delaware | |||||||
Nelson Laboratories Fairfield, Inc. | New Jersey | |||||||
Nelson Laboratories Holdings, LLC | Delaware | |||||||
Nelson Labs NV | Belgium | |||||||
Nordion (Canada) Inc. | Canada | |||||||
Nordion US Holdings LLC | Delaware | |||||||
Nordion (US) Inc. | Delaware | |||||||
Regulatory Compliance Associates Inc. | Delaware | |||||||
REVISS Services (UK) Limited | United Kingdom | |||||||
RSI Leasing, LLC | California | |||||||
Sotera Health LLC | Delaware | |||||||
Sotera Health Holdings, LLC | Delaware | |||||||
Sotera Health Services, LLC | Delaware | |||||||
Sterigenics Belgium Fleurus S.A. | Belgium | |||||||
Sterigenics Belgium Petit Rechain S.A. | Belgium | |||||||
Sterigenics Brasil Participaçãos EIRELI | Brazil | |||||||
Sterigenics Costa Rica, S.R.L. | Costa Rica | |||||||
Sterigenics Denmark A/S | Denmark | |||||||
Sterigenics EO Canada, Inc. | Canada | |||||||
Sterigenics France S.A.S. | France | |||||||
Sterigenics Germany GmbH | Germany | |||||||
Sterigenics Italy S.p.A. | Italy | |||||||
Sterigenics NV | Belgium | |||||||
Sterigenics Radiation Technologies, LLC | Delaware | |||||||
Sterigenics Radiation Technologies Canada, Inc. | British Columbia | |||||||
Sterigenics Radiation Technologies Holdings, LLC | Delaware | |||||||
Sterigenics Radiation Technologies IN, Inc. | Indiana | |||||||
Sterigenics, S. de R.L. de C.V. | Mexico | |||||||
Sterigenics S.A.S. | France | |||||||
Sterigenics Shanghai E-beam Ltd. | China | |||||||
Sterigenics Shanghai ETO Ltd. | China | |||||||
Sterigenics Thailand, Ltd. | Thailand | |||||||
Sterigenics UK Limited | United Kingdom | |||||||
Sterigenics U.S., LLC | Delaware | |||||||
STR 1 B.V. | Netherlands | |||||||
STR 2 B.V. | Netherlands | |||||||
STR C.V. | Netherlands | |||||||
Unidade de Esterilização Cotia LTDA | Brazil |