| Agile Routes (Pty) Ltd | |
| AgileBridge | Gauteng |
| Agora Internet International CC | Limpopo |
| AI Agency | |
| AI Expo Africa | Western Cape |
| AIMWEB Global Web Solution | |
| Airvantage | Gauteng |
| AJS | Gauteng |
| Akhona Technologies | |
| ALFTECH | Western Cape |
| All Programming | Gauteng |
| AllWorldIT | Western Cape |
| AllyCAD | Western Cape |
| AlogaNet | Eastern Cape |
| AlphaBit | |
| Alphabyte Web Creations | Gauteng |
| Alphawave Holdings | Western Cape |
| AlphaWeb CC | Gauteng |
| Alternative Media | Gauteng |
| Altivex | |
| AltonSA | Western Cape |
| Altron | Gauteng |
| Altron Systems Integration | |
| Alviva Holdings Ltd | Gauteng |
| Always Active Technologies | KwaZulu-Natal |
| Alynex Services | |
| Amakozi Technologies | Western Cape |
| Aman Corporation | Gauteng |
| AMNet CC | Gauteng |
| Amobia | Western Cape |
| Amorphous | Gauteng |
| Anansi | |
| ANB Investments (Pty) Ltd | |
| Ancor Design | |
| AnD Communications | KwaZulu-Natal |
| Andtech Barcode Systems CC | Gauteng |
| Ankerdata | Western Cape |
| Anomalous | |
| AO Group (Pty) Ltd | |
| Apex Media | Gauteng |
| Apolix | Western Cape |
| App Developer Studio | |
| Apple Devies | |
| Application Framworks | Western Cape |
| Applied Database Solutions | Western Cape |
| Applxbridge (Pty) Ltd | Western Cape |
| APPSolve | Gauteng |
| Appstrax.tech | |
| Apptechnix Consulting (Pty) Ltd | |
| Aptronics | Gauteng |