| 2Dialogue | Acquired by Pursuant | SaaS Enterprise Software | Texas |
| Adjungo Software | Acquired by Flash Networks | SaaS Enterprise Software | Israel |
| AdOne | Acquired by Magellan Partners | SaaS Enterprise Software | New York |
| Adventurous Traveler | Acquired by Away.com | IT Services | Vermont |
| Akibia | Zensar Technologies | IT Services | Massachusetts |
| Alphanumerica | Acquired by CollabNet | SaaS Enterprise Software | New York |
| Applied Technology Corporation | Acquired by TD Federal | IT Services | Virginia |
| Arel Communications | Acquired by Poalim Investments | SaaS Enterprise Software | Israel |
| Authentidate | Divestiture of docStar, Inc. | SaaS Enterprise Software | New Jersey |
| Bio-Behavioral Management | Acquired by New Endurance Capital | Healthcare Services | New York |
| BigFoot Interactive | Acquired by Hudson Ventures | IT Services | New York |
| BlueChip PLC | Acquired by Service Express Inc. (SEI) | IT Services | London, UK |
| Broad Street | Acquired by Incepta Plc | IT Services | New York |
| Bytegrid | Acquired by Lincoln Rackhouse | IT Services | Maryland |
| Call Sciences | Acquired by J2Global Inc. | SaaS Enterprise Software | California |
| CCSI Net | Acquired by QSGI | IT Services | New Jersey |
| CentricsIT | Acquired by Park Place Technologies | IT Services | Georgia |
| CHE Consulting | Acquired by Park Place Technologies | IT Services | Missouri |
| City Feet | Acquired by LoopNet | SaaS Enterprise Software | New York |
| Clearpath Solutions Group | Acquired by CDI | IT Services | New York |
| Computer - Computer, Ltd | Acquired by Park Place Technologies | IT Services | London, UK |
| Computer Data Source | Acquires BL Trading & Navineer | IT Services | New Jersey |
| Computer Data Source | Acquired by New State Capital | IT Services | New Jersey |
| Concentrix | Acquired by Synnex | IT Services | New York |
| CSI Ltd | Acquired by Park Place Technologies | IT Services MSP | London, UK |
| DADA.Net | Acquired Buongiorno SPA | IT Services | Italy |
| eCopy | Acquired by Nuance Communications | SaaS Enterprise Software | New Hampshire |
| Evernex | Acquired EmconIT | IT Services | New Jersey |
| Direct One | Acquired by M&C Saatchi, PLC | SaaS Enterprise Software | New York |
| Dolphin Software | Acquired by IHS, Inc. | SaaS Enterprise | Colorado |
| Ekahau, Inc. | Acquired by J2 Global | SaaS Enterprise Software | Norway |
| Exquip Network Services Ltd. | Acquired by SMS Maintenance | IT Services | London, UK |
| Fairfield Maxwell LTD | Divestiture of MCG | SaaS Enterprise Software | New York |
| FathomSEO | Acquired by Promise One | IT Services | Ohio |
| Firstsource Solutions | Acquired MedAssist | Healthcare IT | Kentucky |
| Franchise Solutions | Acquired by AdOne, Inc. | SaaS Enterprise Software | New Hampshire |
| GAHC | Acquired by International Innovations | IT Services | Florida |
| Gain Technology | Acquired by SMSC | SaaS Enterprise Software | Arizona |
| Giant Studios | Acquired by App Solutions | SaaS Enterprise Software | Georgia |
| Gravitant | Acquired by IBM | SaaS Enterprise Software | Texas |
| HEIT MSP | Acquired by Computer Services Inc. | IT Services | Colorado |
| Hiddenmind | Acquired by Infowave | SaaS Enterprise Software | North Carolina |
| ICC Group, Ltd | Acquired by Service Express Inc. (SEI) | IT Services | Birmingham, UK |
| ICICI OneSource | Acquired MedPlans | Healthcare IT | Kansas |
| ICICI Services Limited | Acquired GTL LTD | IT Services | India |
| ICOM | Acquired by NetCreations | SaaS Enterprise Software | New York |
| Imaging Automation | Acquired by Viisage | SaaS Enterprise Software | New Hampshire |
| Incepta Group, Plc | Acquired by Huntsworth PLC | IT Services | England |
| Infosys IT | Acquired by Lodestone | IT Services | Georgia |
| Infowave Software | Acquired by Software 2000 | SaaS Enterprise Software | Canada |
| Interactive Services Group | Acquired by Paychex | IT Services | New York |
| IO 360 | Acquired by Rare Medium Group | IT Services | New York |
| I.T. Works | Acquired Meriplex | IT Services | Texas |
| Jastec Company | Acquired LTU Technologies | SaaS Enterprise Software | Japan |
| Local Vox Software | Acquired by Vivial | SaaS Enterprise Software | New York |
| Juniper | Acquired by Sopressa | SaaS Enterprise Software | New York |
| Location Net | Acquired by Telecom Italia | Saas Enterprise Software | Israel |
| MatsSoft | Acquired by Netcall Plc | SaaS Enterprise Software | Bedford, UK |
| Masan Group | Acquired CompOne | Healthcare IT | Texas |
| Maxxcom | Acquired Accent Technologies | IT Services | Toronto, Canada |
| MediaForge | Acquired by Rakuten LinkShare | SaaS Enterprise Software | Utah |
| Medical Savings Ins. | Acquired by UnitedHealth Group | Healthcare IT | Indiana |
| Medrium Healthcare | Acquired by Nightingale Informatix | Healthcare IT | New York |
| Mercury Communications Group | Acquired by 2Dialog | SaaS Enterprise Software | New York |
| MessageClick | Acquired by Verso Technology | SaaS Enterprise Software | Georgia |
| Mobile Planet | Acquired by eXpansys Group | SaaS Enterprise Software | California |
| Mosaic Technology Corp. | Acquired by ISC Group | IT Services | New Hampshire |
| MSGI | Acquired by Media Marketplace | IT Services | New York |
| MYOB Limited | Acquired by Bain Capital | SaaS Enterprise Software | Australia |
| NetCreations | Acquired by SEAT Pagine Gialle | SaaS Enterprise Software | New York |
| NetManage, Inc. | Acquired by Micro Focus International Plc | SaaS Enterprise | California |
| NetSolve Inc. | Acquired by Cisco Systems Inc. | SaaS Enterprise | California |
| Nitro Security | Acquired by McAfee | SaaS Enterprise Software | New Hampshire |
| Olympic Support | Acquired by SMS Maintenance | IT Services | London, UK |
| Open Hosting Inc. | Acquired Cloud PostgreSQL | SaaS Enterprise Software | Sweden |
| Open Hosting, Inc. | Acquired by Series Digital Inc. | SaaS Enterprise Software | Connecticut |
| Origina Technology Services | Acquired by Park Place Technologies | IT Services | Ireland |
| Parexel International | Divestiture of Barnett International | Healthcare IT | Massachusetts |
| Patni Computer Systems | Acquired by IGATE | IT Services | India |
| Pelican Security | Acquired by Microsoft | SaaS Enterprise Software | Israel |
| PennWell Corporation | Acquires Broadband Tech | IT Services | Oklahoma |
| Prestige Technology Solutions | Acquired by Park Place Technologies | IT Services | United Kingdom |
| PureSight Security | Acquired by Boston Communications | SaaS Enterprise Software | California |
| QSGI | Acquired by SMS Maintenance | IT Services | New Jersey |
| RCS MediaGroup SpA | Divestiture of Dada.Net | IT Services | Italy |
| Reiman Publications | Acquired by Readers Digest | IT Services | New York |
| Riverstone Technology | Acquired by Park Place Technologies | IT Services | Georgia |
| Rippletech | Acquired by Nitro Security | SaaS Enterprise Software | Pennsylvania |
| ROER International | Acquired by Evernex International SAS | IT Services | Argentina |
| SAL | Acquired by JMAR | SaaS Enterprise Software | Vermont |
| Samanage | Acquired by Solar Winds | IT Services | North Carolina |
| Satrak | Acquired by Trackunit | SaaS Enterprise Software | Bedford, UK |
| SDV Solutions, Inc. | Acquired by Park Place Technologies | IT Services | Virginia |
| Secure IQ | Acquired by Perimeter Security | IT Services | Virginia |
| ServIQ, Inc | Acquire by Service Express, Inc. (SEI) | IT Services | Massachusetts |
| ServGate Security | Acquired by Cirond Corp. | SaaS Enterprise Software | California |
| SIRTH Healthcare | Richmond University Medical Center | Healthcare IT | New York |
| SMS Maintenance | Acquired by TH Lee | IT Services | North Carolina |
| Sokariti | Acquired by Splunk | SaaS Enterprise Software | New York |
| Sopressa | Acquired by Olympusat | SaaS Enterprise Software | New York |
| Sprint Nextel | Divestiture of iDEN Network | SaaS Enterprise Software | Virginia |
| SSCS | Acquired by Park Place Technologies | IT Services | Texas |
| StorageZip Technologies | Acquired by Iomega | SaaS Enterprise Software | Massachusetts |
| Sumitomo Group | TYO:8053 – Market Cap: $23.08B | SaaS Enterprise Software | Japan |
| Syngence | Acquired by Investment Group, Inc. | SaaS Enterprise Software | Texas |
| Tandberg | Acquired by Cisco Systems | SaaS Enterprise Software | Norway |
| Tata Consultancy Services | Acquisition of CitiGroup Services | IT Services | New York |
| Telispark GPS | Acquired by Infowave | SaaS Enterprise Software | North Carolina |
| TopCoder | Acquired by Appirio | IT Services | New York |
| Trident Computer Resources | Acquired by Service Express Inc. (SEI) | IT Services | Virginia |
| Trusted Networks | Acquired by GH Latin America | IT Services | Florida |
| Vault Networks Inc. | Acquired by Volico | IT Services | Florida |
| VDX | Acquired by ATSG | IT Services | New York |
| Village eDOCS | Acquired Questys Solutions | SaaS Enterprise Software | California |
| Virtual Frontiers | Acquired by SenseNet | SaaS Enterprise Software | New York |
| Vocel Wireless | Acquired by Motorola | SaaS Enterprise Software | California |
| Waytek Software | Acquired by Network Security | IT Services | North Carolina |
| Wherify Wireless | Acquired by Lightyear Networks | SaaS Enterprise Software | California |
| XciTel Software | Acquired by Syntek | SaaS Enterprise Software | Israel |
| XSi International | Acquired by Evernex | IT Services | Georgia |
| Xuper, Ltd | Acquired by Park Place Technologies | IT Services | Derby, UK |
| Zensar Technologies Inc. | Acquired by Service Express In. (SEI) | IT Services | Massachusetts |
