Exhibit 21.1
SUBSIDIARIES OF STERIS PLC
STERIS plc has no parent company. As of March 31, 2021, its direct and indirect subsidiaries(1) were as follows:
| Albert Browne Limited | England & Wales | ||||
| American Sterilizer Company | Pennsylvania | ||||
| Bioster Mottahedoon Egypt SAE | Egypt | ||||
| Birkova Products | Indiana | ||||
| Bizworth Gammarad Sdn Bhd | Malaysia | ||||
| Black Diamond Video, Inc. | California | ||||
| CLBV Limited | England & Wales | ||||
| Controlled Environment Certification Services, Inc. | Ohio | ||||
| Crystal Merger Sub I, LLC | Delaware | ||||
| Diagmed Healthcare Limited | England & Wales | ||||
| Dover UK I Limited | England & Wales | ||||
| Dover UK II Limited | England & Wales | ||||
| Dover UK III Limited | England & Wales | ||||
| Electron Beam Sdn Bhd | Malaysia | ||||
| Eschmann Holdings Limited | England & Wales | ||||
| Genii, Inc. | Minnesota | ||||
| Harwell Dosimeters Limited | England & Wales | ||||
| Herotron E-Beam Service GmbH | Germany | ||||
| HMM HoldCo Limited | England & Wales | ||||
| Hungaroptics kft | Hungary | ||||
| Isomedix Inc. | Delaware | ||||
| Isomedix Operations Inc. | Delaware | ||||
| Key Surgical Europe S.a.r.l. | Switzerland | ||||
| Key Surgical GmbH | Germany | ||||
| Key Surgical Limited | England & Wales | ||||
| Key Surgical LLC | Delaware | ||||
| Konnexis Inc. | Canada | ||||
| KS Apollo Holdings Inc. | Delaware | ||||
| KS Apollo LLC | Delaware | ||||
| KVI LLC | Delaware | ||||
| Medisafe America, L.L.C. | Florida | ||||
| Medisafe Holdings Limited | England & Wales | ||||
| Medisafe UK Limited | England & Wales | ||||
| Mevex Corporation | Canada | ||||
| PeriOptimum, Inc. | Delaware | ||||
| SATYAtek S.A. | Switzerland | ||||
| Shamrock Innovations Limited | Ireland | ||||
Exhibit 21.1
| Shiloh Limited | England & Wales | ||||
| Shiloh Properties Limited | England & Wales | ||||
| Solar New US Holding Co, LLC | Delaware | ||||
| Solar New US Parent Co, LLC | Delaware | ||||
| Solar US Acquisition Co, LLC | Delaware | ||||
| STE Hong Kong Limited | Hong Kong | ||||
| STE UK HoldCo Limited | England & Wales | ||||
| STE UK Sub HoldCo Limited | England & Wales | ||||
| STE No. Two Corporation | Delaware | ||||
| Sterile Supplies Limited | England & Wales | ||||
| STERIS AB | Sweden | ||||
| STERIS Applied Sterilization Technologies ULC | Canada | ||||
| STERIS Asia Pacific, Inc. | Delaware | ||||
| STERIS AST CZ s.r.o. | Czech Republic | ||||
| STERIS AST d.o.o. | Slovenia | ||||
| STERIS AST SK s.r.o. | Slovakia | ||||
| STERIS Barrier Products Solutions, Inc. | Pennsylvania | ||||
| STERIS Brazil Holdings, LLC | Delaware | ||||
| STERIS (BVI) I Limited | British Virgin Islands | ||||
| STERIS Canada Sales ULC | Canada | ||||
| STERIS Canada ULC | Canada | ||||
| STERIS CH Limited | England & Wales | ||||
| STERIS China Holdings Limited | Hong Kong | ||||
| STERIS Corporation | Ohio | ||||
| STERIS Corporation de Costa Rica, S.A. | Costa Rica | ||||
| STERIS Deutschland GmbH | Germany | ||||
| STERIS Dover AST Holdings Limited | England & Wales | ||||
| STERIS Dover Canada Holdings Limited | England & Wales | ||||
| STERIS Dover Limited | England & Wales | ||||
| STERIS Emerald IE Limited | Ireland | ||||
| STERIS Enterprises LLC | Russia | ||||
| STERIS Europe, Inc. | Delaware | ||||
| STERIS FinCo S.à r.l. | Luxembourg | ||||
| STERIS FinCo II S.à r.l. | Luxembourg | ||||
| STERIS GmbH | Switzerland | ||||
| STERIS Holdings B.V. | Netherlands | ||||
| STERIS Iberia, S.A. | Spain | ||||
| STERIS IMS Canada Inc. | Canada | ||||
| STERIS IMS Limited | England & Wales | ||||
| STERIS Inc. | Delaware | ||||
| STERIS (India) Private Limited | India | ||||
| STERIS Instrument Management Services, Inc. | Delaware | ||||
| STERIS Ireland Limited | Ireland | ||||
Exhibit 21.1
| STERIS Irish FinCo Unlimited Company | Ireland | ||||
| STERIS Irish FinCo II Unlimited Company | Ireland | ||||
| STERIS Isomedix Puerto Rico, LLC | Puerto Rico | ||||
| STERIS Japan Inc. | Japan | ||||
| STERIS LLC | Delaware | ||||
| STERIS Laboratories, Inc. | Minnesota | ||||
| STERIS Latin America, Inc. | Delaware | ||||
| STERIS Luxembourg Finance S.à r.l. | Luxembourg | ||||
| STERIS Luxembourg Holding S.à r.l. | Luxembourg | ||||
| STERIS Mauritius Limited | Republic of Mauritius | ||||
| STERIS Mexico, S. de R.L. de C.V. | Mexico | ||||
| STERIS NV | Belgium | ||||
| STERIS Personnel Services, Inc. | Delaware | ||||
| STERIS Personnel Services Mexico, S. de R.L. de C.V. | Mexico | ||||
| STERIS S.r.l. | Italy | ||||
| STERIS SAS | France | ||||
| STERIS SEA Sdn. Bhd. | Malaysia | ||||
| STERIS Solutions do Brasil Importacao e Comercializacao de Produtos da Saude Ltda. | Brazil | ||||
| STERIS Solutions Korea Limited | Korea | ||||
| STERIS Solutions S. de R.L. de C.V. | Mexico | ||||
| STERIS (Shanghai) Trading Co., Ltd. | China | ||||
| STERIS Singapore Pte Ltd | Singapore | ||||
| STERIS Solutions Limited | England & Wales | ||||
| STERIS Solutions Pte. Limited | Singapore | ||||
| STERIS S.p.A. | Italy | ||||
| STERIS TOMOE (Thailand) Ltd. | Thailand | ||||
| STERIS UK Holding Limited | England & Wales | ||||
| STERIS-Austar Pharmaceutical Systems Hong Kong Limited | Hong Kong | ||||
| STERIS-Austar Pharmaceutical Systems (Shanghai) Limited | China | ||||
| Strategic Technology Enterprises, Inc. | Delaware | ||||
| SVS Holding GmbH | Germany | ||||
| Synergy Health Allershausen GmbH | Germany | ||||
| Synergy Health Amsterdam B.V. | The Netherlands | ||||
| Synergy Health AST, LLC | Delaware | ||||
| Synergy Health AST S.r.l. | Costa Rica | ||||
| Synergy Health Däniken AG | Switzerland | ||||
| Synergy Health Ede B.V. | The Netherlands | ||||
| Synergy Health France SAS | France | ||||
| Synergy Health Holding B.V. | The Netherlands | ||||
| Synergy Health Holdings Limited | England & Wales | ||||
| Synergy Health Investments Limited | England & Wales | ||||
| Synergy Health Ireland Limited | Ireland | ||||
| Synergy Health Limited | England & Wales | ||||
Exhibit 21.1
| Synergy Health Logistics B.V. | The Netherlands | ||||
| Synergy Health Marseille SAS | France | ||||
| Synergy Health Nederland B.V. | The Netherlands | ||||
| Synergy Health Radeberg GmbH | Germany | ||||
| Synergy Health Sterilisation UK Limited | England & Wales | ||||
| Synergy Health (Suzhou) Limited | China | ||||
| STERIS Sterilization Technologies (Suzhou) Ltd. | China | ||||
| Synergy Health Systems Limited | England & Wales | ||||
| Synergy Health (Thailand) Limited | Thailand | ||||
| Synergy Health True North, LLC | New York | ||||
| Synergy Health (UK) Limited | England & Wales | ||||
| Synergy Health US Holdings, Inc. | Delaware | ||||
| Synergy Health Utrecht B.V. | The Netherlands | ||||
| Synergy Health Westport Limited | Ireland | ||||
| Synergy Sterilisation KL (M) Sdn Bhd | Malaysia | ||||
| Synergy Sterilisation Kulim (M) Sdn Bhd | Malaysia | ||||
| Synergy Sterilisation (M) Sdn Bhd | Malaysia | ||||
| Synergy Sterilisation Rawang (M) Sdn Bhd | Malaysia | ||||
| Synergy Sterilisation South Africa (Proprietary) Limited | South Africa | ||||
| United States Endoscopy Group, Inc. | Ohio | ||||
| Vernon and Co. Limited | England & Wales | ||||
| Vernon-Carus Limited | England & Wales | ||||
(1)The names of one or more subsidiaries which, considered in the aggregate as a single subsidiary, would not constitute at the end of fiscal 2021 a “significant subsidiary” within the meaning of Rule 1-02(w) of Regulation S-X have been excluded.