| Title | Country |
| Tecnotree Convergence Limited, Espoo | Finland |
| ORACLE, Espoo | Finland |
| Agilent Technologies Inc., Espoo | Finland |
| Progress Software Development Pvt Ltd, Espoo | Finland |
| Novell Inc., Espoo | Finland |
| PTC, Espoo | Finland |
| Premiere Global Services, Inc., Espoo | Finland |
| Epicor Software Corporation, Espoo | Finland |
| Tieto, Espoo | Finland |
|
| Nokia Siemens Networks, Espoo | Finland |
| Check Point Software Technologies Ltd, Espoo | Finland |
| RealNetworks, Espoo | Finland |
| Software AG, Espoo | Finland |
| ZTE Corporation, Espoo | Finland |
| Sybase Inc., Espoo | Finland |
| SAS Institute Inc., Espoo | Finland |
| LSI, Espoo | Finland |
| Information Builders, Espoo | Finland |
|
|
| Hewlett Packard (HP), Espoo | Finland |
| ITC Infotech, Espoo | Finland |
| Synopsys, Espoo | Finland |
| Red Hat, Espoo | Finland |
| NetApp, Espoo | Finland |
|
| Citrix Systems, Inc, Espoo | Finland |
| Nokia Corporation, Espoo | Finland |
| Cadence Design Systems, Inc, Espoo | Finland |
| Borland International Inc., Espoo | Finland |
| StreamServe, Inc., Espoo | Finland |
| Capgemini, Espoo | Finland |
| Electronic Data Systems Corporation, Espoo | Finland |
| Wipro Technologies, Espoo | Finland |