EXHIBIT 21
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JURISDICTION OF NAMES UNDER WHICH
INCORPORATION OR THE ENTITY DOES
ENTITY NAME ORGANIZATION BUSINESS
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Iron Mountain Records Management, Inc. Delaware Iron Mountain Records Management
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Iron Mountain / National Underground, LLC Delaware Iron Mountain National
Underground
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Iron Mountain Consulting Services, LLC Delaware Iron Mountain Consulting
Services
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Iron Mountain Records Management of Delaware Iron Mountain Records Management
Michigan, Inc.
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Iron Mountain of Maryland, LLC Delaware Iron Mountain Records Management
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IM Billerica, Inc. Massachusetts
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Iron Mountain Confidential Destruction LLC Delaware Iron Mountain Confidential
Destruction
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DSI Technology Escrow Services, Inc. Delaware DSI
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Mountain Real Estate Assets, Inc. Delaware
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Mountain West Palm Real Estate, Inc. Delaware
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Iron Mountain Records Management Puerto Rico Iron Mountain Records Management
(Puerto Rico), Inc.
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COMAC, Inc. Delaware COMAC
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Arcus Data Security, Inc. Delaware Arcus Data Security
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Iron Mountain Global, Inc. Delaware
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Iron Mountain Global, LLC Delaware
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Arcus Data Security, LLC Delaware Arcus Data Security
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Iron Mountain Mexico, S.A. de R.L. de C.V. Mexico
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Sistemas de Archivo Corporativo S.A. de Mexico
R.L. de C.V.
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Sistemas de Archivo, S.A. de R.L. de C.V. Mexico
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Sistemas de Archivo de Mexico, S.A. de Mexico
R.L. de C.V.
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Iron Mountain Cayman Ltd. Cayman Islands
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Iron Mountain South America, Ltd. Cayman Islands
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IMSA Peru SRL Peru
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Iron Mountain Chile S.A. Chile
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Iron Mountain Peru S.A. Peru
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Immobiliaria E Inversiones La Primareva LTDA Chile
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Custodia de Documentos LTDA de Archivas LTDA Chile
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Almacenaje Y Administracion De Archivos LTDA Chile
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Iron Mountain du Brazil Emprendimentos Ltda. Brazil Iron Mountain
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Iron Mountain du Brazil SA Brazil
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C.A.D.A. Storage S.A. Argentina
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Box Security Argentina
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Iron Mountain Canada Corporation Nova Scotia Iron Mountain
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Iron Mountain Box Company Nova Scotia
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Archivex Limited Nova Scotia
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Archivex Box Company Limited Nova Scotia
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FACS Records Centre Inc. British Columbia Iron Mountain
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397499 British Columbia Ltd. British Columbia
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326252 British Columbia Ltd. British Columbia
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Pierce Leahy Europe Limited United Kingdom
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PLRH, Inc. Pennsylvania
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Upper Providence Venture I, L.P. Pennsylvania
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Iron Mountain (Netherlands) B.V. The Netherlands
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Iron Mountain (Europe) Group Limited United Kingdom
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Iron Mountain Europe Limited United Kingdom Iron Mountain
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Stortex (Holdings) Limited United Kingdom
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Stortex Limited United Kingdom
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JAD 93 Limited United Kingdom
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Secur Archiv Aktenmanagment Germany
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Iron Mountain Holdings (Europe) Limited United Kingdom
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Arcus Data Security Limited United Kingdom Arcus Data Security
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The Document Storage Company Limited United Kingdom
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Silver Sky Channel Islands
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Datavault Holdings Limited United Kingdom
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Datavault Limited Scotland
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Datavault Northwest Limited United Kingdom
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Datavault Southwest Limited United Kingdom
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Iron Mountain (UK) Limited United Kingdom Iron Mountain
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Document and Information Management United Kingdom
Services Ltd.
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Kestrel Data Services Limited United Kingdom
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Miller Data Management Limited United Kingdom
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Kestrel Data UK Limited United Kingdom
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Kestrel Data Storage and Management Limited United Kingdom
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Kestrel Reprographics Limited United Kingdom
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Memogarde S.A. France
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Iron Mountain Holdings (France) SNC France
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Iron Mountain (France) S.A. France
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MAP S.A. France
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BDM S.A. France
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FIME S.A. France
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France Telesauvgarde S.A. France
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Societe Civile Immobiliare de Chemin Cornillion France
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Iron Mountain Espana, S.A. Spain
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Boston Data, S.A. Spain
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Documenetalia, S.A. Spain
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Innovator Projects, S.A. Spain
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Datavault, S.A. Spain
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Datavault Iberica, S.A. Spain
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Datavault Madrid, S.A. Spain
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Datavault Cantabrico, S.A. Spain
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Databox Aragon S.A. Spain
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Databox Andalucia, S.A. Spain
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MGR Arrendamientos Industriales, S.L. Spain
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