| 1951 |
Iron Mountain Atomic Storage Corporation is established by Herman Knaust
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| 1975 |
Iron Mountain, the present company, purchases the underground mine and the nearby, larger underground site from Knaust
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| 1978 |
Iron Mountain purchases nearby above-ground record center and begins developing high-density storage systems
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| 1980 |
Company expands to New England with the purchase of a third underground facility
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| |
Becomes a founding member of Professional Records and Information Services Management (PRISM), formerly ACRC
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| 1981 |
C. Richard Reese joins the Company as president and CEO
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| 1983 |
Iron Mountain expands to New Hampshire and New Jersey
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| 1986 |
Company establishes corporate headquarters in Boston and purchases New England Storage Warehouse
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| |
Becomes dominant records management company in the Northeast
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| 1988 |
Iron Mountain becomes a national company with the acquisition of Bell & Howell Records Management Company
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| 1991 |
Iron Mountain introduces customers to SafeKeeper, its proprietary records inventory management system
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| 1994 |
Company launches Records Management Consulting Services
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| 1995 |
Richard Reese is named chairman of the board
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| 1996 |
Iron Mountain begins trading on the NASDAQ under the symbol IMTN
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| 1997 |
Iron Mountain becomes the leading software escrow company in the world with the acquisition of Data Securities International, Inc. (DSI)
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| |
Enters the Health Information Management services market with the acquisition of Record Masters (HIMSCorp.)
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| 1998 |
Iron Mountain becomes the leading off-site data protection company in the U.S. with the acquisition of Arcus Data Security, Inc. (renamed Off-Site Data Protection in 2001)
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| 1999 |
Company establishes its first international presence through acquisition of British Data Management (BDM) in the UK
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| |
Enters the Mexican market with the acquisition of SAC Mexico
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| |
Moves to the New York Stock Exchange under the symbol IRM
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| 2000 |
Iron Mountain enters Latin America through the acquisition of Storage, S.A. in Argentina
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| |
Merges with Pierce Leahy Archives, the second largest records management company, making Iron Mountain the only company to provide a full line of records and information management services throughout the Western Hemisphere and in Europe
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| |
Establishes Iron Mountain Confidential Destruction division (later renamed Information Destruction)
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| 2001 |
Company launches two key technology solutions for information protection and storage: Electronic Vaulting services for online backup and recovery and Digital Archives for electronic records management
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| 2002 |
The Boston Business Journal names Iron Mountain "Company of the Year"
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| 2003 |
Iron Mountain debuts on the FORTUNE 1000 list at #887
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| |
Ernst & Young names CEO Richard Reese "N.E. Entrepreneur of the Year"
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| |
Significantly increases its presence throughout Europe by acquiring the Information Management Services unit of Hays PLC
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| 2004 |
Iron Mountain climbs to #857 on the FORTUNE 1000 list
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| |
Expands its Intellectual Property Management services by acquiring domain name management firm Arcemus®
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| |
Expands Secure Shredding services in Canada through the acquisition of Ontario-based franchiser Proshred Security International Inc.
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| |
Forms the Iron Mountain Digital business unit, following the acquisition of Connected Corporation, a leader in online backup and distributed data protection
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| |
Company appoints Bob Brennan as President of North America
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| 2005 |
Iron Mountain moves up to #811 on the FORTUNE 1000 list
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| |
Enters the Pacific Rim with the acquisition of the Australian and New Zealand operations of Pickfords Records Management ("PRM")
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| |
Bob Brennan is promoted to President and Chief Operating Officer
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| |
Acquires LiveVault Corporation, a leading provider of disk-based online server backup and recovery solutions, further extending the Company's technology portfolio
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| 2006 |
Iron Mountain rises to #783 on the FORTUNE 1000 list
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| |
Iron Mountain expands Government Services Organization; opens new government-focused business unit headquarters in Dulles, Va.
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Acquires DigiGuard, a leading provider of data protection services in Australia and New Zealand
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| |
Boston Leader Summit honors Richard Reese with Visionary Leadership award
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| 2007 |
Iron Mountain ascends to #780 on the FORTUNE 1000 list
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| |
Debuts in Forbes magazine's "Top 400 Best Big Companies"
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| |
Extends records management portfolio with acquisition of Accutrac Software, Inc.
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| |
Acquires Stratify, Inc., augmenting its suite of eDiscovery services
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| 2008 |
Iron Mountain moves to #722 on the FORTUNE 1000 list
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| |
Bob Brennan is elected president and CEO and Richard Reese becomes executive chairman of the board
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| |
Security magazine names Iron Mountain to its annual ranking of the nation's most secure companies, the Security 500
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| 2009 |
Iron Mountain climbs to #681 on the FORTUNE 1000 list
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| |
Joins the S&P 500 Index
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Tops $3 billion in annual revenue for the first time in the company's history
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| 2010 |
Iron Mountain acquires Mimosa Systems
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| |
Company issues first ever quarterly dividend payment to shareholders and initiates stock repurchase program
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| |
Iron Mountain climbs 37 spots to #644 on FORTUNE 1000 list
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| |
InfoWorld names Iron Mountain to its "Green 15" list of the world’s most eco-friendly IT projects
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| 2011 |
Richard Reese resumes CEO role for Iron Mountain
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| |
Announces three-year strategic plan for its business, committing to return $2.2 billion to Iron Mountain shareholders by 2013
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| |
Iron Mountain moves to #643 on the FORTUNE 1000 ranking
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Iron Mountain completes sale of online backup & recovery, digital archiving and eDiscovery businesses to Autonomy Corporation, enters into agreement to resell certain data backup and archiving solutions
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| 2012 |
Iron Mountain ranked #675 on the FORTUNE 1000
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