| WKS Bürotechnik & EDV-Support GmbH | Baden-Württemberg |
| WMD Capital GmbH | |
| WMS Walter Meile Systeme GmbH & Co. KG | Bavaria |
| Wndrfuel | North Rhine-Westphalia |
| WOA GmbH | Hesse |
| Wob AG | |
| WOBCOM GmbH | Lower Saxony |
| Woboq GmbH | |
| wohlgemuth+team GmbH | Berlin |
| Wöhrmann Softwareentwicklung | Bavaria |
| Wolf IT Consulting GmbH | Rhineland-Palatinate |
| Wolf Kopiersystem GmbH | Baden-Württemberg |
| Wolf Produktionssysteme GmbH & Co. KG | |
| Wolf Theiss Rechtsanwälte GmbH & Co. KG | |
| Wölfel Beratende Ingenieure GmbH & Co. KG | Bavaria |
| Wolfman.one GmbH | |
| Wolfram Unternehmensgruppe | Berlin |
| WOLFSOFT GmbH | Rhineland-Palatinate |
| Wolke23 Webdesign & SEO | Hesse |
| Wolkenhart | Baden-Württemberg |
| WoloSoft International | Thuringia |
| Wolpertinger Games | |
| WoltLab Suite | Berlin |
| Women’s Creative Studio | |
| Wonder Technologies GmbH | |
| Wonderway GmbH | |
| Wonderweb Media e.U. | |
| Woodpecker Time Tracker | Baden-Württemberg |
| Woodshed Productions | Hesse |
| Wooga GmbH | Berlin |
| Wordstation GmbH | Hesse |
| WordToPDF Pro | Baden-Württemberg |
| WORK Microwave GmbH | Bavaria |
| work4all GmbH | North Rhine-Westphalia |
| work@lim.it Systemhaus GmbH | Bavaria |
| Workerbase GmbH | |
| Working Software GmbH | |
| Working System e.K. | Baden-Württemberg |
| Workist | |
| Workist GmbH | |
| WorkMotion Software GmbH | |
| Workpath GmbH | |
| Workroom Consulting & Design | North Rhine-Westphalia |
| Workstreams.ai | |
| World Creator | |
| World Semiconductor Trade Statistics | |
| World Wind Energy Association | North Rhine-Westphalia |
| World2Web Internetservices | Bavaria |
| Worldweb Oerke Internetkommunikations oHG | Lower Saxony |
| Wörner EDV-Systeme | Baden-Württemberg |