| Title | Country |
| ORACLE, Istanbul | Turkey |
| McAfee Inc., Istanbul | Turkey |
| Dunnhumby IT Services India Pvt. Ltd., Istanbul | Turkey |
| Progress Software Development Pvt Ltd, Istanbul | Turkey |
| Novell Inc., Istanbul | Turkey |
| Atos Origin, Istanbul | Turkey |
| Fujitsu, Istanbul | Turkey |
| Patni Computer Systems Ltd., Istanbul | Turkey |
| Amdocs, Istanbul | Turkey |
|
| EMC Corporation, Istanbul | Turkey |
| Adobe Systems Incorporated, Istanbul | Turkey |
| ASUSTeK Computer Inc., Istanbul | Turkey |
| Nokia Siemens Networks, Istanbul | Turkey |
| Check Point Software Technologies Ltd, Istanbul | Turkey |
| Software AG, Istanbul | Turkey |
| ZTE Corporation, Istanbul | Turkey |
| BT Global Services, Istanbul | Turkey |
| Alcatel-Lucent, Istanbul | Turkey |
|
|
| T-Systems, Istanbul | Turkey |
| NetIQ, Istanbul | Turkey |
| Attachmate, Istanbul | Turkey |
| temenos, Istanbul | Turkey |
| Xerox Corporation, Istanbul | Turkey |
|
| Sybase Inc., Istanbul | Turkey |
| Pitney Bowes, Istanbul | Turkey |
| SAS Institute Inc., Istanbul | Turkey |
| Landis Gyr, Istanbul | Turkey |
| STMicroelectronics, Istanbul | Turkey |
| Hewlett Packard (HP), Istanbul | Turkey |
| Mettler-Toledo India Private Limited, Istanbul | Turkey |
| Kaspersky Lab, Istanbul | Turkey |
| Informatica Corporation, Istanbul | Turkey |
| GEMALTO, Istanbul | Turkey |
| 3Com Corporation, Istanbul | Turkey |
| NetApp, Istanbul | Turkey |
| Merrill Lynch & Co., Inc., Istanbul | Turkey |
| Accenture Services Private Limited, Istanbul | Turkey |
| Google Inc.., Istanbul | Turkey |
| Verifone, Istanbul | Turkey |
| EMERSON, Istanbul | Turkey |
| ArvinMeritor, Inc, Istanbul | Turkey |
| Microsoft Corporation, Istanbul | Turkey |