| Atom Software | KwaZulu-Natal |
| Atotal | Gauteng |
| ATP Computer Consultants | Free State |
| Attrahent | Western Cape |
| Atura | Western Cape |
| Aura | |
| Austrosoft | Western Cape |
| Auto Digital Technologies (Pty) Ltd | KwaZulu-Natal |
| AUX Studio | Western Cape |
| AV Technology Solutions CC | Western Cape |
| AV2 Systems | Western Cape |
| Avalanche Design | Western Cape |
| Avantcore (Pty) Ltd | |
| AVG South Africa | Western Cape |
| Avision Africa | Western Cape |
| Avuxeni Computer Academy | Limpopo |
| Awali Business Solutions | |
| Awethu Project | Gauteng |
| Axiz | Gauteng |
| Axon | Gauteng |
| Axxess DSL (Pty) Ltd | Eastern Cape |
| Azapi IT Services (Pty) Ltd | Western Cape |
| Aztech | Gauteng |
| Azure Designs | KwaZulu-Natal |
| Azuro Solutions | |
| B&D System Engineers | Gauteng |
| B&Ti Solutions | Gauteng |
| B2E Technologies | Gauteng |
| B3 Media | Gauteng |
| BAARA Consulting | Gauteng |
| BancX | Gauteng |
| Banner Ignition | Gauteng |
| Barcode Technologies CC | KwaZulu-Natal |
| Bardin Ellis | Western Cape |
| BarnOwl | Gauteng |
| Batec | Gauteng |
| Baywood Technologies | KwaZulu-Natal |
| BBD | Gauteng |
| Bbit | North West |
| BCOM | KwaZulu-Natal |
| BCX | Gauteng |
| Beden Networks | Gauteng |
| Bermont Digital | |
| Bernstein Computer Consultants | Western Cape |
| Besttech | Gauteng |
| Bethesda Computers | Gauteng |
| Better Your Odds | Western Cape |
| Betterconnect | KwaZulu-Natal |
| BIAS Consultants | Gauteng |
| Bidvest Bank Ltd | Gauteng |