| Flexsys Computer Systems GmbH | Baden-Württemberg |
| Flextec GmbH | Baden-Württemberg |
| Flexus AG | Bavaria |
| Flexvelop GmbH | |
| Fliedner Fachhochschule gemeinnützige GmbH | |
| Flighthelper Moving Map GPS | Baden-Württemberg |
| Flightsimtech GmbH | |
| Floreysoft GmbH | |
| Florian Hamsch | Mecklenburg-Vorpommern |
| Floss Design | North Rhine-Westphalia |
| FLOSS-Shop N. Faerber & P. Kirchner GbR | |
| Flow Lab GmbH | |
| Flow4 UG (haftungsbeschränkt) & Co. KG | Hamburg |
| FlowCAD | Bavaria |
| Flower Labs GmbH | |
| Flowers-Software GmbH | |
| FLOWFACT GmbH | North Rhine-Westphalia |
| FlowFox GmbH | |
| Flowtify GmbH | |
| Floy GmbH | |
| FLS GmbH | Schleswig-Holstein |
| Fluctus IT GmbH | |
| Fluidmobile GmbH | |
| FluSoft GbR | Saxony |
| FluxRepair | |
| Fly Ventures | |
| FLYACTS Ventures GmbH | |
| Flying Dog Software | |
| FlyNex GmbH | |
| fm control GmbH | Saxony |
| FM-Software GmbH | Bavaria |
| FM-Studios GbR | Brandenburg |
| fme AG | Lower Saxony |
| Fmnetztechnik.com | Baden-Württemberg |
| FMP Berlin | |
| FMR - Frankfurt Main Research AG | |
| FMS-Computer GmbH | Bavaria |
| FMV First Momentum Venture Management GmbH | |
| FND German RE GmbH | |
| FNK-telesysteme GmbH & Co. Service KG | |
| fnordkollektiv GmbH | |
| FNT Software | |
| Fobizz | Hamburg |
| Focal Analytics GmbH | |
| Focused Energy GmbH | |
| FocusNet GmbH | |
| Foeckersperger Ventures UG (haftungsbeschränkt) | Berlin |
| Föhlich Systemautomation GmbH | Bavaria |
| fokus digital GmbH | |
| FoldApps | |