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10-K primary document
WST · Annual Report (Form 10-K) · Filed February 17, 2026

West Pharmaceutical Services Inc10-K exhibit

ex21listofsubsidiaries_2025.htm
Document

Exhibit 21

SUBSIDIARIES OF THE COMPANY
State/ Country of Incorporation
Stock Ownership
West Pharmaceutical Services, Inc.PennsylvaniaParent Co.
Tech Group Europe LimitedIreland100.0 
Tech Group Grand Rapids, Inc.Delaware100.0 
TGPR Holdings LimitedIreland100.0 
West Services and Solutions, LLCDelaware100.0 
West Contract Manufacturing, LLCDelaware100.0 
West Pharma. Services IL, Ltd.Israel100.0 
West Pharmaceutical Packaging (China) Company Ltd.China100.0 
West Pharmaceutical Packaging India Private LimitedIndia100.0 
West Pharmaceutical Products Ireland, Ltd.Ireland100.0 
West Pharmaceutical Services Argentina S.A.Argentina100.0 
West Pharmaceutical Services Asia, Ltd.Taiwan100.0 
West Pharmaceutical Services Australia Pty. Ltd.Australia100.0 
West Pharmaceutical Services AZ, Inc.Arizona100.0 
West Pharmaceutical Services Beograd d.o.o.Serbia100.0 
West Pharmaceutical Services Brasil Ltda.Brazil100.0 
West Pharmaceutical Services Colombia S.A.S.Colombia100.0 
West Pharmaceutical Services Cornwall LimitedEngland100.0 
West Pharmaceutical Services Danmark ApSDenmark100.0 
West Pharmaceutical Services Delaware Acquisition, Inc.Delaware100.0 
West Pharmaceutical Services Deutschland GmbH & Co. KGGermany100.0 
West Pharmaceutical Services European Holdings 1 GmbHGermany100.0 
West Pharmaceutical Services European Holdings II GmbHGermany100.0 
West Pharmaceutical Services France S.A.France100.0 
West Pharmaceutical Services Group LimitedEngland100.0 
West Pharmaceutical Services Hispania S.A.Spain100.0 
West Pharmaceutical Services Holding II GmbHGermany100.0 
West Pharmaceutical Services Holding GmbHGermany100.0 
West Pharmaceutical Services Holding Ireland North, Ltd.Ireland100.0 
West Pharmaceutical Services Holding Ireland South, Ltd.Ireland100.0 
West Pharmaceutical Services Holding Japan, GKJapan100.0 
West Pharmaceutical Services Holdings Ltd.Israel100.0 
West Pharmaceutical Services Italia S.r.L.Italy100.0 
West Pharmaceutical Services Korea, Ltd.South Korea100.0 
West Pharmaceutical Services Lakewood, Inc.Delaware100.0 
West Pharmaceutical Services of Delaware, Inc.Delaware100.0 
West Pharmaceutical Services of Florida, Inc.Florida100.0 
West Pharmaceutical Services Shanghai Medical Rubber Products Co., Ltd.China100.0 
West Pharmaceutical Services Singapore Pte. Ltd.Singapore100.0 
West Pharmaceutical Services Switzerland GmbH In LiquidationSwitzerland100.0 
West Pharmaceutical Services Verwaltungs GmbHGermany100.0 


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