| Smart Code | Riyadh |
| Smart Infrastructure IT Company | Riyadh |
| Smart Management Solutions for IT | |
| SofDigital Systems | Eastern Province |
| Softweb Designers | Eastern Province |
| Sohoby Information Technology Company | |
| Sohoby Information Technology Company | |
| Solutel | Riyadh |
| Soum | |
| Source Gate Co. | Riyadh |
| Spare Technologies Holding Co. | |
| Sparkle | Riyadh |
| Speedforce Digital | Makkah |
| SPSNET | Riyadh |
| Squircle IT Ltd | Riyadh |
| Startups house | Makkah |
| Starways | Riyadh |
| Sulaiman Alrajjhi University | |
| Sure Technology and Consulting | Riyadh |
| SVC | Riyadh |
| Synoptic Information | Riyadh |
| T2 Business Research and Development, LLC | Riyadh |
| Taager | |
| Tabadul.com | Riyadh |
| Tabuk Pharmaceuticals | |
| TACT | Riyadh |
| Tag Media | Riyadh |
| Taibah University | |
| Taif University | |
| Takamul Technologies | Eastern Province |
| Taknia Telecom Co. | Riyadh |
| Tamara | Riyadh |
| Tamawal | Riyadh |
| Tamkeen Technologies | Riyadh |
| Taqadam Startup Accelerator | Makkah |
| Taqnia Space | |
| Tarmeez Tech | |
| TAWAL | Riyadh |
| Tayb | Riyadh |
| Tech Stations Company | Riyadh |
| Technical and Vocational Training Corporation | |
| Technology Control Co. | Riyadh |
| Technzone | |
| TeleCare | Riyadh |
| Telenoc | Riyadh |
| Tessafold | |
| TestCrew | Riyadh |
| Tetco | Riyadh |
| The First Exhibitor | |
| The Marketing Department | |