| myPhone | |
| MyPhotoshopBrushes.com | Lower Silesian |
| myREST | |
| MySklep.pl | Lesser Poland |
| Mysza Software Sp. z o.o. | Masovian |
| N.O.C. Usługi Informatyczne | Masovian |
| Na Niby Studio | |
| Nahlik Soft | Lesser Poland |
| Nano Games S.A. | |
| Nanoseen Sp. z o.o. | |
| NanoVelos S.A. | |
| Nanoxo | Masovian |
| Napoleon Sp. z o.o. | |
| Narmox Sp. z o.o. | |
| Narodowy Bank Polski | Masovian |
| Narodowy Instytut Leków | |
| NASK | Masovian |
| NaszaCena.pl | Silesian |
| Navica | |
| NaviExpert | Masovian |
| Nawia Games Sp. z o.o. | |
| nazwa.pl | Lesser Poland |
| Nbit Bezpieczeństwo IT | |
| NdoN | West Pomeranian |
| Neonet S.A. | |
| Neontri | |
| NEOSENTIO Sp. z o.o. | Lesser Poland |
| Neoteric Sp. z o.o. | Pomeranian |
| Neptune Labs | |
| Neptune.ai | Masovian |
| Nest Bank | Masovian |
| Nest Bank S.A. | |
| Nestmedic S.A. | |
| Net Complex | Silesian |
| Net Line | Lublin |
| Net Partners Sp. z o.o. | Lublin |
| NET-Control | Masovian |
| Net-kom | West Pomeranian |
| Net-Komp | Pomeranian |
| Net-Lan | West Pomeranian |
| Net-Partner S.C. | Łódź |
| Neta.pl | Silesian |
| Netbulls | |
| NetFormers | |
| Netgraf | Masovian |
| Netguru S.A. | Greater Poland |
| Nethansa Sp. z o.o. | |
| Nethansa Sp. z o.o. | |
| Nethone | |
| Nethos | |