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| ENTITY NAME | | JURISDICTION OF INCORPORATION OR ORGANIZATION | | NAMES UNDER WHICH THE ENTITY DOES BUSINESS | |
| Administradora de Informacion Limitada | | Chile | | | |
| Archivage Actif Groupe Iron Mountain SAS | | France | | | |
| Archive Services Limited | | England and Wales | | | |
| Archivex Box Company Limited | | Alberta | | | |
| Archivex Limited | | Nova Scotia | | Archivex | |
| Arcus Data Security Limited | | England and Wales | | | |
| Britannia Data Management Limited | | England and Wales | | | |
| COMAC, Inc. | | Delaware | | COMAC | |
| Custodia SOS Limitada | | Chile | | | |
| Datavault Holdings Limited | | England and Wales | | | |
| Datavault Limited | | Scotland | | | |
| Datavault Northwest Limited | | England and Wales | | | |
| Datavault Southwest Limited | | England and Wales | | | |
| Docuguard Holdings Limited | | Cyprus | | | |
| Iron Mountain Australia Pty Ltd | | | | Iron Mountain | |
| Iron Mountain Austria Archivierung Austria G.m.b.H. | | Austria | | Iron Mountain | |
| Iron Mountain Czech Republic | | Czech Republic | | Iron Mountain | |
| Iron Mountain Likvidacie s.r.o. | | Czech Republic | | Iron Mountain | |
| Iron Mountain Magyarorszaq kft | | Hungary | | Iron Mountain | |
| Iron Mountain Slovakia s.r.o. | | Slovakia | | Iron Mountain | |
| Iron Mountain S.R.L. | | Romania | | Iron Mountain | |
| FIME S.A. | | France | | | |
| GbD GmbH | | Germany | | Iron Mountain | |
| Honanross Ltd. | | Ireland | | Iron Mountain | |
| Imaging Systems (NZ) Limited | | New Zealand | | Iron Mountain | |
| IM Australia Holdings Pty. Ltd. | | Australia | | | |
| IM New Zealand Holdings Pty. Ltd. | | New Zealand | | Iron Mountain | |
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| ENTITY NAME | | JURISDICTION OF INCORPORATION OR ORGANIZATION | | NAMES UNDER WHICH THE ENTITY DOES BUSINESS | |
| IM EES Sp. Z.O.O. | | Poland | | Iron Mountain | |
| IMSA Peru SRL | | Peru | | Iron Mountain | |
| IndexInfo Services Pty Ltd. | | India | | Iron Mountain | |
| Iron Mountain A/S | | Denmark | | Iron Mountain | |
| Iron Mountain Argentina S.A. | | Argentina | | Iron Mountain | |
| Iron Mountain Australia Pty Ltd | | Australia | | Iron Mountain | |
| Iron Mountain Arsivleme Hizmetleri A.S. | | Turkey | | Iron Mountain | |
| Iron Mountain Assurance Corporation | | Vermont | | | |
| Iron Mountain Belgium NV | | Belgium | | Iron Mountain | |
| Iron Mountain Box Company | | Nova Scotia | | | |
| Iron Mountain Canada Corporation | | Nova Scotia | | Iron Mountain | |
| Iron Mountain Cayman Ltd. | | Cayman Islands | | | |
| Iron Mountain Chile S.A. | | Chile | | Iron Mountain | |
| Iron Mountain Chile Servicios S.A. | | Chile | | Iron Mountain | |
| Iron Mountain CJS | | Russia | | | |
| Iron Mountain Deutschland GmbH | | Germany | | Iron Mountain | |
| Iron Mountain Deutschland m.i.i.l.GmbH | | Germany | | Iron Mountain | |
| Iron Mountain Digital Limited | | England and Wales | | Iron Mountain Digital | |
| Iron Mountain Digital GmbH | | Germany | | Iron Mountain Digital | |
| Iron Mountain Digital S.A.S. | | France | | Iron Mountain Digital | |
| Iron Mountain DIMS Ltd. | | England and Wales | | | |
| Iron Mountain DISOS GmbH | | Germany | | Iron Mountain | |
| Iron Mountain do Brazil S.A. | | Brazil | | Iron Mountain | |
| Iron Mountain EES (Holdings) Ltd. | | Cyprus | | | |
| Iron Mountain Espana, S.A. | | Spain | | Iron Mountain | |
| Iron Mountain Europe (Group) Limited | | England and Wales | | | |
| Iron Mountain Europe Limited | | England and Wales | | | |
| Iron Mountain (France), S.A. | | France | | Iron Mountain | |
| Iron Mountain (Gibraltar) Holdings Limited | | Gibraltar | | | |
| Iron Mountain Global, Inc. | | Delaware | | | |
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| ENTITY NAME | | JURISDICTION OF INCORPORATION OR ORGANIZATION | | NAMES UNDER WHICH THE ENTITY DOES BUSINESS | |
| Iron Mountain Global, LLC | | Delaware | | | |
| Iron Mountain Government Services Incorporated | | Delaware | | | |
| Iron Mountain Group (Europe) Limited | | England and Wales | | | |
| Iron Mountain Holdings (Europe) Limited | | England and Wales | | | |
| Iron Mountain Holdings (France), SNC | | France | | | |
| Iron Mountain Information Management, Inc. | | Delaware | | Iron Mountain | |
| Iron Mountain Intellectual Property Management, Inc. | | Delaware | | Iron Mountain | |
| Iron Mountain Ireland Ktd, | | Ireland | | Iron Mountain | |
| Iron Mountain Ireland (Holdings) | | Ireland | | | |
| Iron Mountain Livingston Limited | | England and Wales | | | |
| Iron Mountain Mayflower Ltd. | | England and Wales | | | |
| Iron Mountain Mexico, S.A. de R.L. de C.V. | | Mexico | | Iron Mountain | |
| Iron Mountain MDM Limited | | England and Wales | | | |
| Iron Mountain Nederland (Holdings) B.V. | | Netherlands | | | |
| Iron Mountain Nederland B.V. | | Netherlands | | Iron Mountain | |
| Iron Mountain New Zealand Limited | | New Zealand | | Iron Mountain | |
| Iron Mountain Norge AS | | Norway | | Iron Mountain | |
| Iron Mountain Peru S.A. | | Peru | | Iron Mountain | |
| Iron Mountain PLE Limited | | England and Wales | | | |
| Iron Mountain Records Management (Puerto Rico), Inc. | | Puerto Rico | | Iron Mountain | |
| Iron Mountain Scotland (Holdings) Limited | | England and Wales | | | |
| Iron Mountain Scotland Limited | | England and Wales | | Iron Mountain | |
| Iron Mountain South America Ltd. | | Cayman Islands | | | |
| Iron Mountain Statutory Trust 1998 | | Connecticut | | | |
| Iron Mountain Statutory Trust 1999 | | Connecticut | | | |
| Iron Mountain Step S.p.A. | | Italy | | Iron Mountain | |
| Iron Mountain Switzerland GmbH | | Switzerland | | | |
| Iron Mountain (UK) Limited | | England and Wales | | | |
| Iron Mountain Ukraine | | Ukraine | | | |
| JAD (93) Limited | | England and Wales | | | |
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| ENTITY NAME | | JURISDICTION OF INCORPORATION OR ORGANIZATION | | NAMES UNDER WHICH THE ENTITY DOES BUSINESS | |
| Jones & Crossland Limited | | England and Wales | | | |
| Kestrel Data Services Limited | | England and Wales | | | |
| Kestrel Data UK Limited | | England and Wales | | | |
| Kestrel Reprographics Limited | | England and Wales | | | |
| Memogarde, S.A. | | France | | Memogarde | |
| Mody Access Info Pvt. Ltd. | | India | | Iron Mountain | |
| Mountain Glenwood Real Estate, Inc. | | British Columbia | | | |
| Mountain Real Estate Assets, Inc. | | Delaware | | | |
| Mountain Reserve III, Inc. | | Delaware | | | |
| Mountain West Palm Real Estate, Inc. | | Delaware | | | |
| Nettlebed Acquisition Corp. | | Delaware | | | |
| Record Data Limited | | Ireland | | | |
| Security Destruction Ltd. | | England and Wales | | Iron Mountain | |
| Silver Sky | | Jersey Channel Islands | | | |
| Sistemas de Archivo Corporativo, S.A. de R.L. de C.V. | | Mexico | | Iron Mountain | |
| Sistemas de Archivo de Mexico, S.A. de R.L. de C.V. | | Mexico | | Iron Mountain | |
| Societe Civile Imobiliere du Chemin Cornillon | | France | | | |
| SSG Servicios e Sistemas Gerenciais Ltd. | | Brazil | | Iron Mountain | |
| Storbox SA | | Chile | | Iron Mountain | |
| The Document Storage Company Limited | | England and Wales | | | |
| 397499 British Columbia Ltd. | | British Columbia | | | |
| The Imaging Centre Pty. Ltd. | | Australia | | Iron Mountain | |
| Treeline Services Corporation | | Delaware | | | |
| Upper Providence Venture I, L.P. | | Pennsylvania | | | |