| Noukaan Innovations | |
| Novatia Consulting | |
| Novdox | |
| Novelty Polytechnic Kishi | |
| Novotech | Lagos |
| Novy Systems | |
| NowNow | |
| Nuhu Bamall Polytechnic | |
| Nuhu Bamalli Polytechnic | |
| NUPAT Technologies | |
| Nurturedscills Ltd | |
| Nurturedscills Ltd | |
| NUTechSpace | Federal Capital Territory |
| NutzTech | |
| O'Bounce Technologies | |
| Oasis Management Company | |
| Obafemi Awolowo University | |
| Obiwezy | Lagos |
| Octamile, Inc. | |
| Office33 | |
| Officelime | |
| Ogitech | |
| Ogun State College of Health Technology, Ilese-Ijebu | |
| OHR Systems | |
| OjirehPrime Financial Services Ltd | Lagos |
| Okeysima Technologies | |
| Okra, Inc. | Lagos |
| Olabisi Onabanjo University, Ago Iwoye | |
| Olivet Cloud Solutions Nigeria Ltd | |
| Olusegun Agagu University of Science & Technology | |
| OLYTECH Design | |
| OMOH Digital Marketing Expert | |
| OneFlare Tech Solutions | |
| OnePipe | Lagos |
| OPay Digital Services Ltd | Lagos |
| Optisoft Technology Company (Nigeria) Ltd | Lagos |
| Oratheresa Web Development And Training Ltd | |
| Osisatech Enugu | |
| Ostivities Technology Ltd | |
| Osun State College of Technology, Esa-Oke | |
| Osun State Polytechnic, Iree | |
| Osun State University | |
| Overwood | |
| Ownasite | Oyo |
| P. A. Systems Technologies | |
| Pagatech Ltd | Lagos |
| PaidHR | |
| PalmPay | Lagos |
| Pan-Atlantic University | Lagos |
| Paramount Web | Lagos |