| Digital Girls | Federal Capital Territory |
| Digital Oxygen | |
| DigitalConnectInfra | |
| DigiWeb Developers | Imo |
| DiimTech | Lagos |
| Diimtech | |
| Diyoktech Solutions | Lagos |
| Dleading Web Design Ltd | |
| Dnet Systems Ltd | Federal Capital Territory |
| Dominican University, Ibadan | |
| Dominion Consulting | |
| Dominion University, Ibadan | |
| Donsoft Technology | |
| Dorben Polytechnic Abuja | |
| Dosbel | |
| DPX Digital Network | |
| Dr. Yusufu Bala Usman College | |
| Dreamlabs Nigeria Ltd | Federal Capital Territory |
| Droomwork | Lagos |
| Droplets Software House | Rivers |
| Dukka, Inc. | Lagos |
| Dwatil Africa | |
| E-Infotech | Rivers |
| E-pump | Lagos |
| EarnIT Tech | |
| Eastern Polytechnic | Rivers |
| Ebentaby Telecommunications Services | |
| Ebonyi State University | |
| Ebonyi State University | |
| Ebsoft | |
| EBulkSMS.com | |
| Eclat Telecoms Nigeria Ltd | |
| Edensdigital | |
| Edo State Poly Usen | |
| Edo State University, Uzairue | Edo |
| Edubridge Consultants Ltd | |
| EDVES, Inc. | |
| Edwin Clark University | |
| eeSPACE | Lagos |
| EGL Afrique | |
| eHealth4everyone | Federal Capital Territory |
| Ekiti State University | |
| Ekiti State University, Ado Ekiti | |
| Eko University of Medicine and Health Sciences | |
| Ekovolt Telco Ltd | |
| Electronic Esusu | |
| Electronic Esusu | Lagos |
| Elizade University | Ondo |
| Elizade University | |
| Emmanuel Alayande College Of Education, Oyo | |