EX-21.1 20 shc20221231_exhibitx21x1.htm EX-21.1 Document

Exhibit 21.1
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 SubsidiaryJurisdiction of Incorporation
Companhia Brasileira de EsterilizaçãoBrazil
DEROSS Holding B.V.Netherlands
Nelson Laboratories, LLCDelaware
Nelson Laboratories Bozeman, LLCDelaware
Nelson Laboratories Fairfield Holdings, LLCDelaware
Nelson Laboratories Fairfield, Inc.New Jersey
Nelson Laboratories Holdings, LLCDelaware
Nelson Labs NVBelgium
Nordion (Canada) Inc.Canada
Nordion US Holdings LLCDelaware
Nordion (US) Inc.Delaware
Regulatory Compliance Associates Inc.Delaware
REVISS Services (UK) LimitedUnited Kingdom
RSI Leasing, LLCCalifornia
Sotera Health LLCDelaware
Sotera Health Holdings, LLCDelaware
Sotera Health Services, LLCDelaware
Sterigenics Belgium Fleurus S.A.Belgium
Sterigenics Belgium Petit Rechain S.A.Belgium
Sterigenics Brasil Participaçãos EIRELIBrazil
Sterigenics Costa Rica, S.R.L.Costa Rica
Sterigenics Denmark A/SDenmark
Sterigenics EO Canada, Inc.Canada
Sterigenics France S.A.S.France
Sterigenics Germany GmbHGermany
Sterigenics Italy S.p.A.Italy
Sterigenics NVBelgium
Sterigenics Radiation Technologies, LLCDelaware
Sterigenics Radiation Technologies Canada, Inc.British Columbia
Sterigenics Radiation Technologies Holdings, LLCDelaware
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 LimitedUnited Kingdom
Sterigenics U.S., LLCDelaware
STR 1 B.V.Netherlands
STR 2 B.V.Netherlands
STR C.V.Netherlands
Unidade de Esterilização Cotia LTDABrazil