IRM Subsidiaries | IRON MOUNTAIN INC

IRON MOUNTAIN INC Subsidiaries

Every subsidiary the company listed in Exhibit 21 of its annual reports, newest list first (18 lists). Names and jurisdictions are as filed.

2026-02-12: Subsidiary Iron Mountain Argentina S.A.; Jurisdiction Argentina.
2026-02-12: Subsidiary Iron Mountain Austria Archivierung GmbH; Jurisdiction Austria.
2026-02-12: Subsidiary Iron Mountain Belgium NV; Jurisdiction Belgium.
2026-02-12: Subsidiary Iron Mountain BPM SPRL; Jurisdiction Belgium.

Annual report filed	Subsidiary	Jurisdiction
2026-02-12	Iron Mountain Argentina S.A.	Argentina
2026-02-12	Iron Mountain Austria Archivierung GmbH	Austria
2026-02-12	Iron Mountain Belgium NV	Belgium
2026-02-12	Iron Mountain BPM SPRL	Belgium
2026-02-12	Geopost Consultoria em Geologica e Geofisica Ltda.	Brazil
2026-02-12	Iron Mountain Do Brasil Ltda	Brazil
2026-02-12	Iron Mountain Bulgaria EOOD	Bulgaria
2026-02-12	ITRenew Worldwide, Inc.	California
2026-02-12	ITRenew, Inc.	California
2026-02-12	1650 Comstock Road ULC	Canada
2026-02-12	Iron Mountain Canada Operations ULC	Canada
2026-02-12	Iron Mountain Information Management Services Canada, Inc.	Canada
2026-02-12	Iron Mountain Secure Shredding Canada, Inc.	Canada
2026-02-12	MKSP Storage Canada ULC	Canada
2026-02-12	Iron Mountain Chile S.A.	Chile
2026-02-12	Iron Mountain Chile Servicios S.A.	Chile
2026-02-12	Iron Mountain Hrvatska d.o.o.	Croatia
2026-02-12	Helcom Limited	Cyprus
2026-02-12	IMI Investments Two Ltd	Cyprus
2026-02-12	Iron Mountain Cyprus Limited	Cyprus
2026-02-12	Iron Mountain EES Holdings Ltd.	Cyprus
2026-02-12	Iron Mountain Poland Holdings Ltd	Cyprus
2026-02-12	OSG Records Management (Europe) Limited	Cyprus
2026-02-12	Iron Mountain Ceska Republika S.R.O.	Czech Republic
2026-02-12	Royal Seal S.R.O.	Czech Republic
2026-02-12	Clutter Inc.	Delaware
2026-02-12	Clutter RE LLC	Delaware
2026-02-12	First International Records Management, LLC	Delaware
2026-02-12	IM Mortgage Solutions, LLC	Delaware
2026-02-12	Iron Mountain Data Centers Services, LLC	Delaware
2026-02-12	Iron Mountain Data Centers U.S. Holdings, LLC	Delaware
2026-02-12	Iron Mountain Data Centers, LLC	Delaware
2026-02-12	Iron Mountain Global Holdings, Inc.	Delaware
2026-02-12	Iron Mountain Information Management Services, Inc.	Delaware
2026-02-12	Iron Mountain Information Management, LLC	Delaware
2026-02-12	Iron Mountain Intellectual Property Management, Inc.	Delaware
2026-02-12	Iron Mountain International Holdings (U.S.) LLC	Delaware
2026-02-12	Iron Mountain Mortgage Finance Holdings, LLC	Delaware
2026-02-12	Iron Mountain Mortgage Finance I, LLC	Delaware
2026-02-12	Iron Mountain Receivables QRS, LLC	Delaware
2026-02-12	Iron Mountain Receivables TRS, LLC	Delaware
2026-02-12	Iron Mountain Secure Shredding, Inc.	Delaware
2026-02-12	Iron Mountain Data Centers Arizona 3, LLC	Delaware
2026-02-12	Iron Mountain Data Centers Arizona 3 JV, LP	Delaware
2026-02-12	Iron Mountain Data Centers Virginia 3, LLC	Delaware
2026-02-12	Iron Mountain Data Centers Virginia 4/5 JV, LP	Delaware
2026-02-12	Iron Mountain Data Centers Virginia 4/5 Subsidiary, LLC	Delaware
2026-02-12	Iron Mountain Data Centers Virginia 6/7 JV, LLC	Delaware
2026-02-12	Iron Mountain Data Centers Virginia 6, LLC	Delaware
2026-02-12	Iron Mountain Data Centers Virginia 6 JV, LLC	Delaware
2026-02-12	Iron Mountain Data Centers Virginia 7, LLC	Delaware
2026-02-12	Iron Mountain International Holdings (U.S.) LLC	Delaware
2026-02-12	Palantine, LLC	Delaware
2026-02-12	Wisetek Solutions, LLC	Delaware
2026-02-12	Eurospags Investment ApS	Denmark
2026-02-12	Iron Mountain A/S	Denmark
2026-02-12	Iron Mountain Eswatini (Pty) Ltd	Eswatini
2026-02-12	Iron Mountain Finland Oy	Finland
2026-02-12	Crozier France SAS	France
2026-02-12	Iron Mountain Entertainment Services (IMES) France SAS	France
2026-02-12	Iron Mountain France SAS	France
2026-02-12	Iron Mountain GLEAM France SAS	France
2026-02-12	Iron Mountain Holdings (France) SNC	France
2026-02-12	Iron Mountain Participations SA	France
2026-02-12	Premier Surplus, Inc.	Georgia
2026-02-12	Iron Mountain (Deutschland) Data Centre 2 GmbH	Germany
2026-02-12	Iron Mountain (Deutschland) Data Centre Services GmbH	Germany
2026-02-12	Iron Mountain (Deutschland) Data Centre GmbH	Germany
2026-02-12	Iron Mountain (Deutschland) Service GmbH	Germany
2026-02-12	Iron Mountain Deutschland GmbH	Germany
2026-02-12	Iron Mountain Hellas SA	Greece
2026-02-12	DocuTár Iratrendező és Tároló Szolgáltató Kft.	Hungary
2026-02-12	Iron Mountain Magyarország Kereskedelmi és Szolgáltató Kft.	Hungary
2026-02-12	Iron Mountain (Ireland) Services Limited	Ireland
2026-02-12	Iron Mountain Ireland Holdings Limited	Ireland
2026-02-12	Iron Mountain Ireland Limited	Ireland
2026-02-12	ITRenew ITAD Ireland Limited	Ireland
2026-02-12	Wisering Limited	Ireland
2026-02-12	Wisetek Solutions Limited	Ireland
2026-02-12	Wisetek US Holdings Limited	Ireland
2026-02-12	Archivex Cote d'Ivoire S.a.r.l.	Ivory Coast
2026-02-12	DBJ Limited	Jersey
2026-02-12	AS Iron Mountain Latvia	Latvia
2026-02-12	Iron Mountain Lesotho (Proprietary) Limited	Lesotho
2026-02-12	AB Iron Mountain Baltic	Lithuania
2026-02-12	AB Iron Mountain Lithuania	Lithuania
2026-02-12	UAB Confidento	Lithuania
2026-02-12	Iron Mountain Luxembourg Sarl	Luxembourg
2026-02-12	Iron Mountain South America Sarl	Luxembourg
2026-02-12	Marshgate Morangis Sarl	Luxembourg
2026-02-12	Iron Mountain Mexico, S. de R.L. de C.V.	Mexico
2026-02-12	Bonded Services (International) B.V.	Netherlands
2026-02-12	Iron Mountain (Nederland) Data Centre B.V.	Netherlands
2026-02-12	Iron Mountain (Nederland) Data Centre Holdings B.V.	Netherlands
2026-02-12	Iron Mountain (Nederland) Data Centre Investments B.V.	Netherlands
2026-02-12	Iron Mountain (Nederland) Data Centre Services B.V.	Netherlands
2026-02-12	Iron Mountain (Nederland) Services B.V.	Netherlands
2026-02-12	Iron Mountain International Holdings B.V.	Netherlands
2026-02-12	Iron Mountain Nederland B.V.	Netherlands
2026-02-12	Iron Mountain Nederland Holdings B.V.	Netherlands

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