Exhibit 21

3M COMPANY AND CONSOLIDATED SUBSIDIARIES (PARENT AND SUBSIDIARIES)
AS OF DECEMBER 31, 2022

Name of CompanyOrganized Under Law of
Registrant – 3M Company
Delaware
  Consolidated subsidiaries of the Registrant:
  3M Financial Management CompanyDelaware
  3M Global Channel Services, Inc.Delaware
  3M Innovative Properties CompanyDelaware
  3M Interamerica, Inc.Delaware
  3M Purification Inc.Delaware
  3M Technical Ceramics, Inc.Delaware
  Acelity, Inc.Delaware
  3M Fall Protection CompanyDelaware
  Chiron Holdings, Inc.Delaware
  KCI Holding Company, Inc.Delaware
  KCI International, Inc.Delaware
  KCI Licensing, Inc.Delaware
  KCI USA, Inc.Delaware
  MModal LLCDelaware
  Scott Technologies, Inc.Delaware
  3M Unitek CorporationCalifornia
  Meguiar's, Inc. California
  3M Health Information Systems, Inc.Maryland
  D B Industries, LLCMinnesota
  MModal MQ Inc.New Jersey
  MModal Services, Ltd.New Jersey
  Kinetic Concepts, Inc.Texas
  3M Australia Pty. Ltd.Australia
  3M Precision Grinding GmbHAustria
  3M Belgium bvba/sprlBelgium
  3M do Brasil Ltda.Brazil
  3M Manaus Industria de Produtos Quimicos Ltda.Brazil
  3M Canada Company - Compagnie 3M CanadaCanada
  Capital Safety Group Canada ULCCanada
  KCI Cayman HoldingsCayman Islands
  KCI Cayman Holdings IICayman Islands
  3M China LimitedChina
  3M International Trading (Shanghai) Co., Ltd. China
  3M Investments (China) Co., Ltd.China
  3M Material Technology (Suzhou) Co., Ltd.China
  3M Specialty Materials (Shanghai) Co., Ltd.China
  3M Purification SASFrance
  3M France S.A.S.France
  Capital Safety Group EMEA France
  3M Deutschland GmbHGermany
  3M Real Estate GmbH & Co KGGermany
  Dyneon GmbH Germany
  3M Hong Kong LimitedHong Kong
  3M India LimitedIndia
  3M Global Capital LimitedIreland
  KCI Manufacturing Unlimited CompanyIreland
  3M ITALIA s.r.l.Italy
  3M Japan Holdings G.K.Japan
  3M Japan Innovation LimitedJapan
  3M Japan LimitedJapan



Exhibit 21

Name of CompanyOrganized Under Law of
  3M Japan Products LimitedJapan
  3M Korea Co., LtdKorea
  Medical Holdings LimitedMalta
  3M Mexico, Sociedad Anonima de Capital VariableMexico
  3M Asia Holding B.V.Netherlands
  3M Holding Company B.V.Netherlands
  3M Intermediate Acquisitions B.V.Netherlands
  3M International Group B.V.Netherlands
  3M International Holding B.V. Netherlands
  3M International Investments B.V.Netherlands
  3M West Europe B.V.Netherlands
  KCI Europe Holding B.V.Netherlands
  Systagenix Wound Management B.V.Netherlands
  Systagenix Wound Management Mezz B.V.Netherlands
  3M Panama Pacifico S. de R.L.Panama
  3M Poland Manufacturing Sp. z.o.o.Poland
  3M Wroclaw spolka z ograniczona odpowiedzialnosciaPoland
  3M Innovation Singapore Pte. Ltd.Singapore
  3M Singapore Pte. Ltd.Singapore
  3M Espana, S.L.Spain
  3M Svenska AktiebolagSweden
  3M EMEA GmbHSwitzerland
  3M Taiwan LimitedTaiwan
  3M Taiwan Optronics CorporationTaiwan
  Alpha Beta Global Tapes and Adhesives Co., Ltd.Taiwan
  3M Thailand LimitedThailand
  3M Asia Pacific UK Holding LtdUnited Kingdom
  3M Products LimitedUnited Kingdom
  3M UK Holdings LimitedUnited Kingdom
  3M United Kingdom Public Limited CompanyUnited Kingdom
  Capital Safety Acquisitions LimitedUnited Kingdom
  Capital Safety Global Holdings LimitedUnited Kingdom
  KCI UK Holdings LimitedUnited Kingdom
  Scott Health & Safety Limited United Kingdom
  Systagenix Wound Management, LimitedUnited Kingdom
    
NOTE: Subsidiary companies excluded from the above listing, if considered in the aggregate, would not constitute a significant subsidiary.