| NameWeb B.V.B.A. | Antwerp |
| NannyML | |
| Nanopixel B.V.B.A. | |
| Napoleon Games N.V. | |
| Natch Europe | East Flanders |
| Nationaal Geografisch Instituut | |
| National Control Systems S.A. | Brussels-Capital |
| Natlanco N.V. | East Flanders |
| NATO Communications and Information Agency | |
| ND IT Solutions | Flemish Brabant |
| Nectil S.A. | Brussels-Capital |
| Nelissen computers B.V.B.A. | |
| Net IT N.V. | |
| Net7 S.A./N.V. | Walloon Brabant |
| Netaxis Solutions | |
| Netcom Solutions S.P.R.L. | |
| Netflow | Antwerp |
| Netika Business Solutions S.A. | Walloon Brabant |
| Netlease | |
| Netmedia-Europe | |
| Netropolix | Antwerp |
| Netux | Liège |
| Netwerk Ondernemen | |
| Network of Universities from the Capitals of Europe | Brussels-Capital |
| Networked European Software and Services Initiative | Brussels-Capital |
| NetworkX | East Flanders |
| NetWorX | East Flanders |
| neuroClues | |
| Neuroventis | |
| NeuVasQ Biotechnologies | |
| neXat | |
| Nexis S.A. | Walloon Brabant |
| Next Apps | |
| Next Generation Internet | |
| nextAuth N.V. | |
| NextGenics | |
| NG Communications | Brussels-Capital |
| NGRAVE | |
| NH Solutions | |
| Niko N.V. | East Flanders |
| Ninepointfive | |
| Ninix Technologies N.V. | West Flanders |
| Nitron S.A./N.V. | Walloon Brabant |
| Nixxis | Brussels-Capital |
| Nocomputer | |
| Nodalview | |
| Nodalview | |
| Nomadesk N.V. | East Flanders |
| NOÖS Community | |
| Normec OWS | |