| FLAGIS | East Flanders |
| Flagstone | |
| Flash Électronique | Liège |
| Fleet Complete | East Flanders |
| Flexina S.R.L. | Liège |
| Flexmail N.V. | Limburg |
| FloConsult | Walloon Brabant |
| FlowTribe | |
| FLUIDDA N.V. | |
| Fonds de la Recherche Scientifique | Brussels-Capital |
| Forganiser | |
| Formatech New Technologies S.A. | Brussels-Capital |
| Formica | |
| Formlets | |
| Fox Biosystems | |
| Fox-Solutions B.V. | |
| Francotyp | Antwerp |
| FreakOut.be | West Flanders |
| Free and Open Source Software Developers' European Meeting | Brussels-Capital |
| Free Pascal | Flemish Brabant |
| Freemind Consulting | Brussels-Capital |
| Froomle | |
| Fujirebio Europe | |
| Fujitron | Antwerp |
| Fuseo B.V. | |
| FuturePC | Flemish Brabant |
| Futureweb B.V.B.A. | Flemish Brabant |
| FuturICT | Brussels-Capital |
| Gabitasoft Interactive | Antwerp |
| Galapagos N.V. | |
| Gap Informatique | Liège |
| GBL Studio | |
| GDPR Compliance Checklist | |
| Geeforce Design GCV | West Flanders |
| Gegevensbeschermingsautoriteit | |
| Gencom Software | Limburg |
| Genesys B.V.B.A. | Antwerp |
| Geo-IT B.V.B.A. | Antwerp |
| Geographic Information Management S.A. | Namur |
| GEOSolutions | |
| Gespac | Liège |
| Gestion Plus | Hainaut |
| GET Time & Security | Antwerp |
| Gevacom B.V.B.A. | East Flanders |
| Ghali | Brussels-Capital |
| Ghent University - Department of Electronics and Information Systems | East Flanders |
| GIG.tech | |
| Gigaweb | Walloon Brabant |
| Gileba | Flemish Brabant |
| Gillan S.A. | Liège |