| NetLive | KwaZulu-Natal |
| Netposition | Eastern Cape |
| Netsurit | Gauteng |
| Nettek | Western Cape |
| NetTrace | Gauteng |
| Network Platforms | Gauteng |
| Network Solution | KwaZulu-Natal |
| Networks Unlimited | Western Cape |
| Neural Labs Africa | |
| Neurasoft | Western Cape |
| New Dimension Technology | Western Cape |
| New Height IT Solutions | KwaZulu-Natal |
| New Technology Networking | Gauteng |
| NewBridge Graduate Institute | |
| 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 |
| Nkangala TVET College | |
| No Barrier | Gauteng |
| Noesis Software | Gauteng |
| Nologo Studios | KwaZulu-Natal |
| Nology (Pty) Ltd | Gauteng |
| Nomanini | Western Cape |
| NONA | Western Cape |
| Noralogix Pty Ltd | |
| Normedia | Gauteng |
| North-West University | |
| Northern Cape Urban TVET College | |
| Northlink College | |
| Novel Design Group | Gauteng |
| Nsly Digital | |
| NT&O Analytics | |
| Nth Degree Technologies | KwaZulu-Natal |
| NuKe Marketing (Pty) Ltd | |
| Numata | Gauteng |
| Nungu Group Holdings (Pty) Ltd | Gauteng |
| Nuron Tech | |
| nVisionIT (Pty) Ltd | Gauteng |
| NWA | Gauteng |
| Nyamakop | Gauteng |
| O S S Africa CC | Western Cape |
| o5webdesign | Gauteng |
| Oasisnet | Free State |
| Obami Networks | Gauteng |
| Obmatjeke Tech | |
| Obsidian Systems | Gauteng |
| OceanHub Africa | Western Cape |