| SumoTrust | Federal Capital Territory |
| SunTrust Bank | Lagos |
| Super Stars Promotions Ltd | Lagos |
| Swift Digital Technology Solutions Ltd | Federal Capital Territory |
| Swift Networks | Lagos |
| SwiftXR | Lagos |
| Syrol Technologies Ltd | |
| Sysserve | |
| SystemSpecs | Lagos |
| T-One Technologies Ltd | |
| t9cl WebDevelopers | |
| TagDev Technologies Ltd | Lagos |
| Tagged Technologies Ltd | |
| Tai Solarin University of Education | |
| Talentbase Ltd | Lagos |
| TAMS | |
| Tansian University | |
| Tanta Innovative | |
| Taraba State University | Taraba |
| Tavia Technologies Ltd | Lagos |
| Taxaide Technologies Ltd | |
| TD Africa | Lagos |
| Team Piccolo | |
| Tech O'Clock | Lagos |
| Tech Studio Academy | Lagos |
| Tech365 | |
| TechAdvance | Lagos |
| TechBuddie | Federal Capital Territory |
| Techbuild.Africa | Lagos |
| Techcabal | Lagos |
| TechCity | Lagos |
| TechEconomy | Lagos |
| Techlife | |
| Techmarket | |
| Technext | Lagos |
| Technica IT and Web Solutions | |
| Technology Times | Federal Capital Territory |
| Techpoint Africa | Lagos |
| Techsol Professional Services Ltd | Lagos |
| TechSpace | |
| Techspance Ltd | |
| TechTrends | Lagos |
| Techvantage Innovations | Federal Capital Territory |
| Tectainet Ltd | Lagos |
| Telko Managed Services | |
| Telnet Group | Lagos |
| Temple Gate Polytechnic | |
| Terawork | Lagos |
| Termii | Lagos |
| Testify Ltd | |