Exhibit 21.1

SUBSIDIARIES OF STERIS PLC

The list below includes all subsidiaries of STERIS plc, excluding entities not controlled1 by STERIS plc or its subsidiaries and branch entities. Unless otherwise noted, all entities are direct or indirect wholly-owned subsidiaries of STERIS plc.
NameJurisdiction of Incorporation
Albert Browne LimitedEngland and Wales
American Sterilizer CompanyPennsylvania, USA
Bioster-Mottahedoon Egypt SAE*Egypt
Birkova Products, LLCIndiana, USA
Bizworth Gammarad Sdn BhdMalaysia
Black Diamond Video, Inc.California, USA
Cantel (Belgium) BVBelgium
Cantel (UK) LimitedEngland and Wales
Cantel Medical (UK) LimitedEngland and Wales
Cantel Medical Asia/Pacific Pte. Ltd.Singapore
Cantel Medical Devices (China) Co., Ltd.China
Cantel Medical International B.V.Netherlands
Cantel Medical LLCDelaware, USA
CLBV LimitedEngland and Wales
Diagmed Healthcare LimitedEngland and Wales
Electron Beam Sdn. Bhd.Malaysia
Eschmann Holdings LimitedEngland and Wales
Genii, Inc.Minnesota, USA
GEST PROHS, LDAPortugal
Harwell Dosimeters LimitedEngland and Wales
Herotron E-Beam Service GmbHGermany
HMM HoldCo LimitedEngland and Wales
Hungaroptics KFTHungary
IK Medical Solutions GmbHGermany
Isomedix Inc.Delaware, USA
Isomedix Operations Inc.Delaware, USA
Jet Prep Ltd.Israel
José Dos Santos Monteiro Lda.Portugal
Key Surgical Europe S.à r.l.Switzerland
Key Surgical LimitedEngland and Wales
Key Surgical LLCDelaware, USA
Konnexis Inc.Canada
KVI LLCDelaware, USA
KWI Planung GmbHGermany





Exhibit 21.1
NameJurisdiction of Incorporation
Mar Cor Purification, Inc.Pennsylvania, USA
Massaro Limited Partnership (Victory Road)*Pennsylvania, USA
Medical Innovations Group Holdings LimitedEngland and Wales
Medical Innovations Group LtdEngland and Wales
Medi-Cart International LimitedEngland and Wales
MEDIK Hospital Design GmbHGermany
MEDIK Hospital Design Memmingen GmbHGermany
MEDIK Hospital Design SWISS AGSwitzerland
Medisafe America, L.L.C.Florida, USA
Medisafe Holdings LtdEngland and Wales
Medisafe UK LimitedEngland and Wales
Medivators Inc.Minnesota, USA
Mevex CorporationCanada
PROHS – Equipamento Hospitalar e Serviços Associados, S.A.Portugal
Shamrock Innovations LimitedIreland
Shiloh LimitedEngland and Wales
Solar New US Holding CorporationDelaware, USA
Solar New US Parent Co, LLCDelaware, USA
Solar US Acquisition Co, LLCDelaware, USA
STE UK HoldCo LimitedEngland and Wales
STE UK Sub HoldCo LimitedEngland and Wales
Sterile Supplies Limited*England and Wales
STERILMED FranceFrance
STERIS (BVI) I LimitedBritish Virgin Islands
STERIS (India) Private LimitedIndia
STERIS (Shanghai) Trading Co., Ltd.China
STERIS ABSweden
STERIS Applied Sterilization Technologies ULCCanada
STERIS Asia Pacific, Inc.Delaware, USA
STERIS AST CZ s.r.o.Czech Republic
STERIS AST, storitve v zdravstvu, d.o.oSlovenia
STERIS Australia PTY LTDAustralia
STERIS Barrier Products Solutions, Inc.Pennsylvania, USA
STERIS Bethpage Processing, LLC*New York
STERIS Brazil Holdings, LLCDelaware, USA
STERIS Canada ULCCanada
STERIS Canada Sales ULCCanada
STERIS CH LimitedEngland and Wales
STERIS China Holdings LimitedHong Kong
STERIS Colombia S.A.SColombia
STERIS CorporationOhio, USA





Exhibit 21.1
NameJurisdiction of Incorporation
STERIS Corporation de Costa Rica, S.A.Costa Rica
STERIS Corporation de Republica Dominicana, S.R.L.Dominican Republic
STERIS Deutschland GmbHGermany
STERIS Dover AST Holdings LimitedEngland and Wales
STERIS Dover Canada Holdings LimitedEngland and Wales
STERIS Dover LimitedEngland and Wales
STERIS Emerald IE LimitedIreland
STERIS Europe, Inc.Delaware, USA
STERIS FinCo S.à r.l.Luxembourg
STERIS FinCo II S.à r.l.Luxembourg
STERIS GmbHSwitzerland
STERIS Holdings B.V.Netherlands
STERIS Hong Kong LimitedHong Kong
STERIS Iberia,S.A.Spain
STERIS IMS Canada Inc.Canada
STERIS IMS LimitedEngland and Wales
STERIS Inc.Delaware, USA
STERIS Instrument Management Services, Inc.Delaware, USA
STERIS Ireland LimitedIreland
STERIS Irish FinCo Unlimited CompanyIreland
STERIS Irish FinCo II Unlimited CompanyIreland
STERIS Isomedix Puerto Rico LLCPuerto Rico
STERIS Israel Solutions LtdIsrael
STERIS Italy S.r.l.Italy
STERIS Japan Inc.Japan
STERIS Laboratories, Inc.Minnesota, USA
STERIS Latin America, Inc.Delaware, USA
STERIS LimitedEngland and Wales
STERIS Luxembourg Finance S.à r.l.Luxembourg
STERIS Luxembourg Holding S.à r.l.Luxembourg
STERIS Malaysia SDN. BHD.Malaysia
STERIS Mauritius LimitedRepublic of Mauritius
STERIS Mexico, S. de R.L. de C.V.Mexico
STERIS Netherlands B.V.Netherlands
STERIS New Zealand LimitedNew Zealand
STERIS Personnel Services, Inc.Delaware, USA
STERIS Portugal, Unipessoal, Lda.Portugal
STERIS S.p.A.Italy
STERIS S.r.l.Italy
STERIS SABelgium
STERIS SASFrance





Exhibit 21.1
NameJurisdiction of Incorporation
STERIS Schweiz AGSwitzerland
STERIS Solutions do Brasil Importacao e Comercializacao de Produtos da Saude Ltda.Brazil
STERIS Solutions Korea LimitedSouth Korea
STERIS Solutions LimitedEngland and Wales
STERIS Solutions Pte. LimitedSingapore
STERIS Solutions, S. de R.L. de C.V.Mexico
STERIS Sterilization Technologies (Suzhou) Ltd.China
STERIS Taiwan Co., Ltd.Taiwan
STERIS TOMOE (Thailand) Ltd.*Thailand
STERIS Tomoe Singapore Pte. Ltd*Singapore
STERIS UK Holding LimitedEngland and Wales
STERIS US Holdings Corp.Delaware, USA
STERIS-SHINVA Healthcare Systems Co., Ltd.*China
Synergy Health (Thailand) LimitedThailand
Synergy Health (UK) LimitedEngland and Wales
Synergy Health Allershausen GmbHGermany
Synergy Health Amsterdam B.V.Netherlands
Synergy Health AST S.r.l.Costa Rica
Synergy Health AST, LLCDelaware, USA
Synergy Health Ede B.V.Netherlands
Synergy Health Holding B.V.Netherlands
Synergy Health Holdings LimitedEngland and Wales
Synergy Health Investments LimitedEngland and Wales
Synergy Health Ireland LimitedIreland
Synergy Health LimitedEngland and Wales
Synergy Health Logistics B.V.Netherlands
Synergy Health Marseille SASFrance
Synergy Health Nederland B.V.Netherlands
Synergy Health Radeberg GmbHGermany
Synergy Health Sterilisation UK LimitedEngland and Wales
Synergy Health Systems LimitedEngland and Wales
Synergy Health US Holdings, Inc.Delaware, USA
Synergy Health Westport LimitedIreland
Synergy Sterilisation KL (M) Sdn BhdMalaysia
Synergy Sterilisation Kulim (M) Sdn BhdMalaysia
Synergy Sterilisation (M) Sdn BhdMalaysia
Synergy Sterilisation Rawang (M) Sdn BhdMalaysia
Synergy Sterilisation South Africa (Propietary) LimitedSouth Africa
TECNOPROS – Comércio e Assistência Técnica, LdaPortugal
TekGo, Inc.Delaware, USA





Exhibit 21.1
NameJurisdiction of Incorporation
The STERIS FoundationOhio, USA
United States Endoscopy Group, Inc.Ohio, USA
Vernon and Co. LimitedEngland and Wales
Vernon-Carus LimitedEngland and Wales
__________________________
1 Includes entities in which STERIS plc holds a direct or indirect 50% or greater ownership interest.
*This entity is not a direct or indirect wholly-owned subsidiary of STERIS plc.