| Nclose | Western Cape |
| Nebula | Western Cape |
| Nedbank Ltd | Gauteng |
| Nellen Technologies | Free State |
| Nelson Mandela Metropolitan University - Computing Sciences | Eastern Cape |
| Nelson Mandela Metropolitan University - Department of Mathematics and Applied Mathematics | Eastern Cape |
| Net Age CC | Gauteng |
| Net Mechanic Design Studio | Western Cape |
| Net-Focus Interactive | Western Cape |
| Net1 UEPS Technologies, Inc. | Gauteng |
| Netcash (Pty) Ltd | Western Cape |
| Netcash (Pty) Ltd | |
| Netcomtech CC | Gauteng |
| Netconfig | KwaZulu-Natal |
| Netevolution | Gauteng |
| Netgen Custom Software and App Development | Gauteng |
| NetLEARN | KwaZulu-Natal |
| NetLive | KwaZulu-Natal |
| Netposition | Eastern Cape |
| Netsurit | Gauteng |
| NettCOM Internet Solutions | Gauteng |
| Nettek | Western Cape |
| NetTrace | Gauteng |
| Network Platforms | Gauteng |
| Network Solution | KwaZulu-Natal |
| Networks Unlimited | Western Cape |
| Neurasoft | Western Cape |
| New Dimension Technology | Western Cape |
| New Height IT Solutions | KwaZulu-Natal |
| New Technology Networking | Gauteng |
| Newsbeat Developments | Gauteng |
| Newston Partners (Pty) Ltd | Western Cape |
| nFold | Gauteng |
| Nic Black Media | Western Cape |
| Nice Web Hosting | KwaZulu-Natal |
| Nitric Software Laboratory | Western Cape |
| No Barrier | Gauteng |
| Noesis Software | Gauteng |
| Nologo Studios | KwaZulu-Natal |
| Nology (Pty) Ltd | Gauteng |
| Nomanini | Western Cape |
| NONA | Western Cape |
| Normedia | Gauteng |
| Northern Cape Urban TVET College | |
| Novel Design Group | Gauteng |
| Nsly Digital | |
| Nth Degree Technologies | KwaZulu-Natal |
| NuKe Marketing (Pty) Ltd | |
| Numata | Gauteng |
| Nungu Group Holdings (Pty) Ltd | Gauteng |