| Mpower | Gauteng |
| Mr. Designer | Gauteng |
| MTN App of the Year | Gauteng |
| MTN Deals | Gauteng |
| MTN Group | Gauteng |
| MTYsquared | |
| Multidimensions | Western Cape |
| Musato Technologies | |
| Mustek | Gauteng |
| Mut-Con | |
| Mutli IT & Telephony Solutions | Gauteng |
| Mvula Computer Networks | Gauteng |
| MWR CyberSec | |
| My Elite LMS | |
| My-iMali | Gauteng |
| MyBroadband | Gauteng |
| MyDBA | Gauteng |
| MyFreeHost SA | Western Cape |
| MyGuru | Gauteng |
| MyMeerkat FSP (Pty) Ltd | |
| Mzansi Careers | |
| Nashua | Gauteng |
| Nashua Communications | Gauteng |
| Naspers Ltd | Western Cape |
| National Astrophysics and Space Science Programme | |
| National Computer College | KwaZulu-Natal |
| National Computer College Vereeniging | Gauteng |
| National Institute for Communicable Diseases | |
| National Positions | Gauteng |
| National Research Foundation | |
| National Youth Development Agency | |
| Nautique | Western Cape |
| NCC Central (Pty) Ltd | Free State |
| NCD Solutions | KwaZulu-Natal |
| Nclose | Western Cape |
| Nebula | Western Cape |
| Nellen Technologies | Free State |
| Nelson Mandela Metropolitan University - Computing Sciences | Eastern Cape |
| Nelson Mandela Metropolitan University - Department of Mathematics and Applied Mathematics | Eastern Cape |
| Nelson Mandela University | |
| 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 |
| Netcomtech CC | Gauteng |
| Netconfig | KwaZulu-Natal |
| Netevolution | Gauteng |
| Netgen Custom Software and App Development | Gauteng |
| NetLEARN | KwaZulu-Natal |