| MyIT Ltd | Dublin City Council |
| MyMoneyPlatform | |
| mySatNav | Dún Laoghaire-Rathdown County Council |
| MySay | Dublin City Council |
| MyWallSt Ltd | |
| Natcom Ireland Ltd | Dublin City Council |
| National College of Ireland | Dublin City Council |
| National Space Center | |
| National Space Centre Ltd | |
| National Treasury Management Agency | |
| National University of Ireland | |
| National University of Ireland Galway | |
| National University of Ireland Maynooth - Brain and Computation Lab | Kildare County Council |
| National University of Ireland, Galway | Galway City Council |
| National University of Ireland, Maynooth - Department of Mathematics and Statistics | Kildare County Council |
| Navitas Software Ltd | |
| NCL Technologies Ltd | Dublin City Council |
| NDRC | Dublin City Council |
| Neal Walsh | Dublin City Council |
| Nearform | |
| Nemysis Ltd | |
| Neo-Archaic | Dublin City Council |
| Net Affinity | Dublin City Council |
| Netfully Ltd | |
| Netlink IT Services | |
| NetLync | |
| Network Ireland | |
| Neurent Medical | |
| Neuromod | |
| Neuromod Devices Ltd | |
| Neuromod Devices Ltd | |
| New Frontiers Enterprise Ireland | |
| New Horizons Ireland | Dublin City Council |
| Neworld | |
| newR Marketing Agency | |
| NewsWhip | Dublin City Council |
| Nexomos | |
| Nexus Innovation Centre | Limerick City and County Council |
| Niceone Ltd | Dublin City Council |
| Nitrexo | |
| No1 SEO IRELAND | |
| NoFrixion Ltd | |
| Noloco | |
| NomuPay | |
| Norio Ventures Ltd | |
| Northside Partnership Ltd | |
| Nory | |
| Nostra | |
| Nostra Systems | South Dublin County Council |
| NotchBit | |