| Temple Gate Polytechnic | |
| Terawork | Lagos |
| Termii | Lagos |
| Testify Ltd | |
| The Brand Ally | |
| The Bulb Africa | Lagos |
| The Businessplus Agency | |
| The Chrysalis Capital | Lagos |
| The People Practice | Lagos |
| The Talent Pipeline Company | |
| The Venture Park | Federal Capital Territory |
| Theorem Team Ltd | |
| Thepeer | Lagos |
| TheVillage | Lagos |
| Thrive Agric | Federal Capital Territory |
| ThriveAgric Ltd | |
| Timeless Telecom Ltd | |
| Timest Web | |
| Timonwa Akintokun | |
| Tinitop Technologies Ltd | Federal Capital Territory |
| Tinto Technologies | |
| Tizeti Network Ltd | Lagos |
| TM Lans | |
| TMA Craft | Rivers |
| Tobedesigns | |
| TOG Africa | Federal Capital Territory |
| Toniceli | |
| Tony Elumelu Foundation | Lagos |
| Toplink Technologies Nigeria Ltd | Lagos |
| Topos Network | Lagos |
| TopYouGo | |
| Torbita Computer Training School | |
| Touchcore | Lagos |
| Tower Polytechnic Ibadan | |
| Tower Polytechnic, Ibadan | |
| Trade Lenda | Lagos |
| TradeDepot, Inc. | Lagos |
| Tranarc | |
| Trask Global | |
| Tribesquare | |
| Trigonal Technologies Ltd | |
| Trimlines Technology | |
| TrimlinesTech | Lagos |
| Trinity University | |
| Tripodwire Ltd | Lagos |
| Trium | Lagos |
| Tuplea ICT Concepts | |
| TVC Labs | Lagos |
| uLesson | Lagos |
| Umar Suleiman College of Education, Gashua | |