| Nslone Informatique | Quebec |
| NSN Software | Ontario |
| NteliPath, Inc. | Ontario |
| Ntelligent Design Studios | Ontario |
| NterOne Corporation | Ontario |
| NTG Clarity Network, Inc. | Ontario |
| NTM Consulting, Inc. | Ontario |
| Ntree, Inc. | Ontario |
| NTRPRISE Computer Services | Ontario |
| NTS Apollo | British Columbia |
| NTS, Inc. | Quebec |
| Nu Automations | |
| Nu Design Ink | Ontario |
| Nu Network, Inc. | Ontario |
| NuAge Technologies | Alberta |
| Nualtis | |
| Nuance Web | |
| Nuaweb | |
| Nubase Technologies, Inc. | Ontario |
| Nubee | Quebec |
| Nubik | Quebec |
| NuBinary, Inc. | |
| Nubis | |
| NuBiyota | |
| nuBranch Media, Inc. | Ontario |
| NuBreed media | Ontario |
| NuChem Sciences, Inc. | |
| Nucleus | Alberta |
| Nucleus Networks, Inc. | British Columbia |
| NucleusLabs | British Columbia |
| Nucliq Biologics | |
| Nucliq Biologics | |
| nuComputing Solutions | Ontario |
| Nucro-Technics | |
| NuDesign Technologies, Inc. | Ontario |
| Nudge Corporation | Ontario |
| Nuecho | Quebec |
| NuEdge Infotech | |
| NuEnergy.ai | |
| Nuevamed | |
| NuGen Medical Devices | |
| NuGet Trends | |
| Nugget.ai | |
| Nuglif (2018), Inc. | Quebec |
| NukeWebDesign | Ontario |
| NULLFraxion Communications, Inc. | Quebec |
| Nulogx | Ontario |
| Nulogy Corporation | Ontario |
| Numacorp | Saskatchewan |
| Numana | |