| The Innovation Hub | Gauteng |
| The Internet Group SA | Gauteng |
| The IT Department | Gauteng |
| The Marketing Techy | Gauteng |
| The Midas Touch | |
| The Notebook Company | Gauteng |
| The Other Brother | Western Cape |
| The Software Shack | Gauteng |
| The South African Website Designer | KwaZulu-Natal |
| The Virtual Space | |
| The Web Company | KwaZulu-Natal |
| The Web Shack CC | Gauteng |
| The Web Wizard | Western Cape |
| The Weblab | |
| TheAppRoom | Gauteng |
| theComputer-Smith | Gauteng |
| TheFactory IT Management Servivces | Western Cape |
| Therefore Strategic Technology Services (Pty) Ltd | Gauteng |
| ThinkTank Creative (Pty) Ltd | Gauteng |
| Third Stream | Gauteng |
| ThisIsMe | Western Cape |
| Thoughtcorp | Gauteng |
| THUSA Business Support (Pty) Ltd | KwaZulu-Natal |
| Thuthukani | Gauteng |
| Thuynsma Consulting | Gauteng |
| Timbali Technology Incubator | Mpumalanga |
| TimeLog | Gauteng |
| Timmins Computer Services | Free State |
| Timu Technologies (Pty) Ltd | |
| Titan HRS CC | Gauteng |
| Titan Ice Computer Store | Gauteng |
| titc.io | |
| Titus Corporation CC | Gauteng |
| TMI Collective | Western Cape |
| TMJ Publications | Gauteng |
| TMT Digital | KwaZulu-Natal |
| Toner SA | Gauteng |
| Top Drawer Social & Digital Marketing | Gauteng |
| Touchvision | Western Cape |
| Tourplan | Gauteng |
| Toxzen CC | Gauteng |
| Trade and Lateral Development | |
| Tradepage | KwaZulu-Natal |
| TradeSafe | Gauteng |
| Traffic Brand | Western Cape |
| Transaction Capital Payment Solutions | Gauteng |
| TransLution Software (Pty) Ltd | Gauteng |
| Travelogic | Western Cape |
| Trendify.co.za | Western Cape |
| Triangular X | KwaZulu-Natal |