| Coollink | Lagos |
| Cordova Business Solution Ltd | |
| Cosmas School Management Software | |
| Coure | Lagos |
| Courteville Business Solutions plc | Lagos |
| Covenant Polytechnic | |
| Covenant University | Ogun |
| Cowrywise Financial Technology Ltd | Lagos |
| Crank Digital | |
| Crawford University | Ogun |
| Crawford University | |
| Crenet | |
| Crescent University Abeokuta | Ogun |
| Cromakod | |
| Crop2Cash | |
| Crowdyvest | Lagos |
| Crown Polytechnic | |
| Crystal Blue Tech | |
| Cyberbyte | |
| Cyberbyte Software | |
| CyberPay Ltd | |
| CyberRide | |
| Cyberspace | Lagos |
| Cyberspace Managers | |
| Cynergy Technologies | |
| Da Morris | |
| Data Mynt, Inc. | Lagos |
| Data Recovery Specialist Ltd | Lagos |
| Datacomm Express | |
| DataCraft Interactive | Federal Capital Territory |
| DataGroupIT | Lagos |
| Datalex Nigeria Ltd | Lagos |
| Datasphir Solutions Ltd | Lagos |
| Datatronics Nigeria Ltd | Lagos |
| DBO Agency | Federal Capital Territory |
| Dbsoft | |
| Deejoft | |
| Delta State Polytechnic, Ogwashi-Uku | |
| Delta State Polytechnic, Otefe-Oghara | |
| Delta State Polytechnic, Ozoro | |
| Delta State University, Abraka Nigeria | |
| Dennis Osadebay University | |
| DesignMode | |
| Detacle Company | |
| Development Standards Technologies Ltd | |
| Devnode | |
| DevOne Net | |
| Devwares | Lagos |
| Digikraaft | |
| Digital Bridge Institute | Federal Capital Territory |