| Firma | Ort |
| AdNovum Informatik AG | Zürich |
| Aladdin | Deutschland |
| Astaro AG | Karlsruhe |
| Avantec AG | Zürich |
| BNC AG | Schönbühl-Urtenen |
| bw digitronik AG | Uster |
| Cassarius AG | Bern |
| Celeris AG | Hinwil |
| CeTus GmbH | Solothurn |
| Cisco Systems (Switzerland) GmbH | Glattzentrum |
| Computer Associates AG | Kloten |
| Digicomp Academy AG | Zürich |
| eb-Qual | Cham |
| Getronics GmbH | Raunheim |
| H+BEDV Datentechnik GmbH | Tettnang |
| HIS Software AG | Zürich |
| IBM | Zürich |
| IBV Informatik GmbH | Lörrach |
| Infoguard AG | Zug |
| InfoTrust AG | Wädenswil |
| Integralis | Glattbrugg |
| Internet Security AG | Schwerzenbach |
| Ispin AG | Bassersdorf |
| ISSX Internet Security Systems | Regensdorf |
| Kaspersky Labs | Moskau |
| McAfee | Zürich |
| MediaCrypt | Zürich |
| Microsoft AG | Wallisellen |
| NCR (Schweiz) | Wallisellen |
| Netstream AG | Dübendorf |
| Nokia Internet Communications | Zürich |
| Norman Data Defense Systems AG | Basel |
| Omicron | Wallisellen |
| onSpirix Ltd. | Schwerzenbach |
| Open Systems AG | Zürich |
| Panda Software Schweiz Better Products AG | Nyon |
| Qualys | Paris |
| RSA Security BV | Dübendorf |
| SAP (Schweiz) AG | Biel |
| Seclutions AG | Zürich |
| Siemens Schweiz AG | Zürich |
| softwarepipeline.com | Winterthur |
| Sophos | Nieder Olm |
| Sotec | Nyon |
| Studerus Telecom AG | Schwerzenbach |
| Swiss Infosec AG | Bern |
| Swisscom Enterprise Solutions AG | Zürich |
| SYMANTEC Switzerland AG | Bassersdorf |
| terreActive AG | Aarau |
| tetrade ag | Gümligen |
| Totemo AG | Küsnacht |
| Tradeware AG | Thalwil |
| Trend Micro | Zürich |
| Trivadis Holding AG | Basel |
| Utimaco Safeware AG | Oberursel |
| Webwasher | München |
| ZyXel | Schwerzenbach |
