| Acquisition Date | Company | Business | Country | Value (USD) | References |
| 02001-06-07 June 7, 2001 | Mainspring | Business strategy consulting | USA | $&0000000080000000.00000080,000,000 | [3] |
| 02001-07-02 July 2, 2001 | Informix Corporation | Database Software | USA | $&0000001000000000.0000001,000,000,000 | [4] |
| 02002-01-14 January 14, 2002 | CrossWorlds Software, Inc. | Software | USA | $&0000000129000000.000000129,000,000 | [5] |
| 02002-06-25 June 25, 2002 | Metamerge | Identity management | NOR | | [6] |
| 02002-08-19 August 19, 2002 | Trellisoft, Inc. | Enterprise storage | USA | | [7] |
| 02002-09-12 September 12, 2002 | Holosofx, Inc. | Software | USA | | [8] |
| 02002-10-02 October 2, 2002 | PWC Consulting from PricewaterhouseCoopers | Business Consulting and Technology Services | USA | $&0000003500000000.0000003,500,000,000 | [9] |
| 02002-10-06 October 6, 2002 | Access360 | Software | USA | | [10] |
| 02002-10-07 October 7, 2002 | EADS Matra Datavision | Product lifecycle management | USA | | [11] |
| 02002-11-15 November 15, 2002 | Tarian Software | Records Management | CAN | | [12] |
| 02003-02-21 February 21, 2003 | Rational Software Corporation | Software Development | USA | $&0000002100000000.0000002,100,000,000 | [13] |
| 02003-05-14 May 14, 2003 | Think Dynamics | Software | CAN | | [14] |
| 02003-07-01 July 1, 2003 | Information Laboratory | Software | USA | | [15] |
| 02003-07-15 July 15, 2003 | Aptrix | Software | AUS | | [16] |
| 02003-10-17 October 17, 2003 | CrossAccess Corporation | Enterprise Information Integration | USA | | [17] |
| 02003-11-13 November 13, 2003 | Productivity Solutions, Inc. | Automated Self-Checkout Systems | USA | | [18] |
| 02003-12-17 December 17, 2003 | Green Pasture Software, Inc. | Content management software | USA | | [19] |
| 02004-04-06 April 6, 2004 | Trigo Technologies | Software | USA | | [20] |
| 02004-04-07 April 7, 2004 | Daksh e-Services | BPO Services | IND | $&0000000170000000.000000170,000,000 | [21] |
| 02004-04-13 April 13, 2004 | Business Continuity Services unit of Schlumberger | IT Services | FRA | | [22] |
| 02004-06-07 June 7, 2004 | Candle Corporation | Software | USA | | [23] |
| 02004-07-14 July 14, 2004 | Alphablox Corporation | Business Intelligence | USA | | [24] |
| 02004-07-29 July 29, 2004 | Cyanea Systems | Software | USA | | [25] |
| 02004-10-07 October 7, 2004 | Venetica | Enterprise Information Integration | USA | | [26] |
| 02004-11-19 November 19, 2004 | Systemcorp ALG Ltd. | Software | CAN | | [27] |
| 02004-11-23 November 23, 2004 | Liberty Insurance Services | Business process services | USA | | [28] |
| 02004-12-01 December 1, 2004 | Maersk Data and DMdata from Maersk | IT Services | DEN | | [29] |
| 02004-12-13 December 13, 2004 | KeyMRO | Procurement Services | FRA | | [30] |
| 02005-01-07 January 7, 2005 | Systems Research & Development | Identity management | USA | | [31] |
| 02005-03-16 March 16, 2005 | Corio | Application Services | USA | $&0000000182000000.000000182,000,000 | [32] |
| 02005-04-29 April 29, 2005 | Ascential Software Corporation | Enterprise Information Integration | USA | $&0000001100000000.0000001,100,000,000 | [33] |
| 02005-05-10 May 10, 2005 | Gluecode Software | Application Server | USA | | [34] |
| 02005-06-23 June 23, 2005 | Meiosys | Application Management | USA, FRA | | [35] |
| 02005-07-25 July 25, 2005 | PureEdge Solutions, Inc. | Electronic Forms | CAN | | [36] |
| 02005-07-27 July 27, 2005 | Isogon Corporation | Asset Management | USA | | [37] |
| 02005-08-02 August 2, 2005 | DWL | Enterprise Information Integration | USA, CAN | | [38] |
| 02005-10-14 October 14, 2005 | DataPower Technology, Inc. | Software | USA | | [39] |
| 02005-11-01 November 1, 2005 | iPhrase Systems, Inc. | Software | USA | | [40] |
| 02005-11-10 November 10, 2005 | Network Solutions Pvt Ltd | IT Services | IND | | [41] |
| 02005-11-15 November 15, 2005 | Collation, Inc. | Network management | USA | | [42] |
| 02005-12-20 December 20, 2005 | Bowstreet, Inc. | Software | USA | | [43] |
| 02006-01-27 January 27, 2006 | ARGUS Semiconductor Software From INFICON | Semiconductor Manufacturing software | USA | | [44] |
| 02006-01-20 January 20, 2006 | CIMS Lab, Inc. | Application Virtualization | USA | | [45] |
| 02006-02-08 February 8, 2006 | Viacore, Inc. | Supply chain optimization | USA | | [46] |
| 02006-02-14 February 14, 2006 | Micromuse, Inc. | Network management | USA | $&0000000865000000.000000865,000,000 | [47] |
| 02006-03-16 March 16, 2006 | Language Analysis Systems | Identity management | USA | | [48] |
| 02006-05-02 May 2, 2006 | BuildForge, Inc. | Software Development | USA | | [49] |
| 02006-05-05 May 5, 2006 | Unicorn Solutions, Inc. | Metadata management | USA | | [50] |
| 02006-06-27 June 27, 2006 | Rembo Technology | Installation Software | SUI | | [51] |
| 02006-08-01 August 1, 2006 | Webify Solutions, Inc | Service Oriented Architecture software | USA | | [52] |
| 02006-09-06 September 6, 2006 | Global Value Solutions | IT Services | BRA | | [53] |
| 02006-10-04 October 4, 2006 | DORANA product line from Ubiquity Pty Limited | Asset Management | AUS | | [54] |
| 02006-10-05 October 5, 2006 | MRO Software | Asset Management | USA | $&0000000740000000.000000740,000,000 | [55] |
| 02006-10-12 October 12, 2006 | FileNet Corporation | Content management software | USA | $&0000001600000000.0000001,600,000,000 | [56] |
| 02006-10-20 October 20, 2006 | Internet Security Systems (ISS) | Information security | USA | $&0000001300000000.0000001,300,000,000 | [57] |
| 02006-10-20 October 20, 2006 | Palisades Technology Partners | Management consulting | USA | | [58] |
| 02007-01-22 January 22, 2007 | Consul Risk Management, Inc. | Information security | NED | | [59] |
| 02007-02-13 February 13, 2007 | Vallent Corporation | Telecommunications Management | USA | | [60] |
| 02007-03-01 March 1, 2007 | Softek Storage Solutions Corporation | Data Mobility | USA | | [61] |
| 02007-07-20 July 20, 2007 | Watchfire Corporation | Security Software Testing | USA | | [62] |
| 02007-08-21 August 21, 2007 | WebDialogs | Software | USA | | [63] |
| 02007-08-31 August 31, 2007 | DataMirror Corporation | Change Management | CAN | $&0000000161000000.000000161,000,000 | [64] |
| 02007-09-10 September 10, 2007 | Princeton Softech, Inc. | Business Intelligence | USA | | [65] |
| 02007-10-24 October 24, 2007 | NovusCG | Storage Consulting and Technology Services | USA | | [66] |
| 02008-01-02 January 2, 2008 | XIV | Enterprise storage | ISR | | [67] |
| 02008-01-18 January 18, 2008 | AptSoft Corporation | Business Intelligence | USA | | [68] |
| 02008-01-29 January 29, 2008 | Solid Information Technology | Database Software | USA, FIN | | [69] |
| 02008-01-31 January 31, 2008 | Cognos | Business Intelligence | CAN | $&0000005000000000.0000005,000,000,000 | [70] |
| 02008-01-31 January 31, 2008 | Arsenal Digital Solutions | Data backup services | USA | | [71] |
| 02008-02-15 February 15, 2008 | Net Integration Technologies Inc. | Business Server Software | CAN | | [72] |
| 02008-03-11 March 11, 2008 | Encentuate, Inc. | Enterprise Single Sign-On | USA | | [73] |
| 02008-04-03 April 3, 2008 | Telelogic AB | Enterprise software development tools (Software) | SWE | $&0000000845000000.000000845,000,000 | [74] |
| 02008-04-18 April 18, 2008 | Diligent Technologies | Data De-duplication | USA | | [75] |
| 02008-04-21 April 21, 2008 | FilesX | Application Recovery Software | USA, ISR | | [76] |
| 02008-04-29 April 29, 2008 | InfoDyne Corporation | Data Feed Connectors | USA | | [77] |
| 02008-07-02 July 2, 2008 | Platform Solutions | Mainframe, System Z technologies | USA | | [78] |
| 02008-07-28 July 28, 2008 | ILOG | Business Rules Management Systems | FRA | $340,000,000 | [79] |
| 02008-11-18 November 18, 2008 | Transitive | Virtualization Software | USA | | [80] |
| 02009-01-15 January 15, 2009 | Outblaze's E-Mail Service Assets | online messaging and collaboration services | HKG | | [81] |
| 02009-05-05 May 5, 2009 | Exeros Assets | Data Discovery Software | USA | | [82] |
| 02009-07-28 July 28, 2009 | SPSS Inc. | Statistical analysis software | USA | $1,200,000,000 | [83] |
| 02009-07-28 July 28, 2009 | Ounce Labs | Source code analysis | USA | | [84] |
| 02009-09-22 September 22, 2009 | RedPill Solutions | Analytics and Optimisation | Singapore | | [85] |
| 02009-11-30 November 30, 2009 | Guardium | Database monitoring and protection | USA | | [86] |
| 02009-12-16 December 16, 2009 | Lombardi | Business Process Management | USA | | [87] |