| WISAG Service Holding Austria GmbH | |
| wmgrafik | Vienna |
| WNT Telecommunication GmbH | Vienna |
| Woern Web & Werbe Agentur | Salzburg |
| Wollzelle GmbH | Vienna |
| Wolves Summit | |
| WoMentor | |
| Workflow-EDV GmbH | Vienna |
| Workheld GmbH | |
| World Data Lab | |
| World Youth Academy | |
| World-Direct eBusiness solutions GmbH | |
| World4You Internet Services GmbH | Upper Austria |
| WORX Multimedia Consulting GmbH | Vienna |
| wow! solution | Vienna |
| Wowflow | |
| WSK Bank AG | |
| Wsop GmbH | Vienna |
| Wukonig.com | Styria |
| WVNET GmbH | Lower Austria |
| wwwdesign | Lower Austria |
| X KEY GmbH | Vienna |
| x Software + Systeme | Vienna |
| x-design.at | Vienna |
| x-it - External IT-Solutions GmbH | Upper Austria |
| X-NET | |
| x-tention Informationstechnologie GmbH | Upper Austria |
| Xcessity | |
| XCoorp GmbH | Vienna |
| Xendex GmbH | Vienna |
| Xephor Solutions GmbH | |
| Ximes GmbH | Vienna |
| XiMinds GmbH | |
| XKI GmbH | |
| xml-buddy.com | Vienna |
| XORTEX eBusiness GmbH | Upper Austria |
| xt:Commerce GmbH | Tyrol |
| XUND Solutions GmbH | |
| xweb OG | Vienna |
| Yelster Digital GmbH | Vienna |
| YENA GmbH | Vienna |
| yesss! | Vienna |
| ynet.at | Salzburg |
| Yurp-Coworking-Space | |
| yuutel GmbH | |
| Zensations | Vienna |
| Zenscrape | |
| Zentrum für Angewandte Technologie | |
| Zentrum für Angewandte Technologie Leoben GmbH | |
| Zentrum für Wissens- und Technologietransfer in der Medizin GmbH | |