Exhibit 21

3M COMPANY AND CONSOLIDATED SUBSIDIARIES (PARENT AND SUBSIDIARIES)
AS OF DECEMBER 31, 2024
Name of CompanyOrganized Under Law of
Registrant – 3M Company
Delaware
  Consolidated subsidiaries of the Registrant:
  3M Financial Management CompanyDelaware
  3M Innovative Properties CompanyDelaware
  3M Interamerica LLCDelaware
  Aearo Technologies LLCDelaware
  3M Chemical Operations LLCDelaware
  3M Fall Protection CompanyDelaware
  3M Foreign Holding LLCDelaware
  Scott Technologies, Inc.Delaware
  D B Industries, LLCMinnesota
  3M do Brasil Ltda.Brazil
  3M Belgium BV
Belgium
  3M Canada Company - Compagnie 3M CanadaCanada
  3M China LimitedChina
  3M Specialty Materials (Shanghai) Co., Ltd.China
  3M France S.A.S.France
  3M Deutschland GmbHGermany
  3M Hong Kong LimitedHong Kong
  3M India LimitedIndia
  3M Global Capital LimitedIreland
  3M Japan Innovation Limited
Japan
  3M Japan Products LimitedJapan
  3M Korea Co., LtdKorea
  3M Holding Company B.V.Netherlands
  3M Intermediate Acquisitions B.V.Netherlands
  3M International Group B.V.Netherlands
  3M West Europe B.V.Netherlands
  3M Wroclaw spolka z ograniczona odpowiedzialnosciaPoland
  3M Innovation Singapore Pte. Ltd.Singapore
  3M Singapore Pte. Ltd.Singapore
  3M Svenska AktiebolagSweden
  3M EMEA GmbHSwitzerland
  3M Products LimitedUnited Kingdom
  3M UK Holdings LimitedUnited Kingdom
  3M United Kingdom Public Limited CompanyUnited Kingdom
  Capital Safety Global Holdings LimitedUnited Kingdom
    
NOTE: Subsidiary companies excluded from the above listing, if considered in the aggregate, would not constitute a significant subsidiary.