| Nicom IT Solutions, Inc. | Nova Scotia |
| Nicoya | |
| Nidi Associates | Ontario |
| Nielsen IT Consulting, Inc. | Ontario |
| Nigel Gordijk | Ontario |
| Nightmedia | Quebec |
| Nikkel Communications | Alberta |
| Nile Consulting | Ontario |
| Nilead | |
| Nili Canada | |
| Nimble Information Strategies, Inc. | |
| Nimbus Web Designs | Ontario |
| Nine Commerce | |
| Nine Dots | Quebec |
| Nine Peaks Media | |
| nine10, Inc. | Alberta |
| nine29 Design Studio, Inc. | Ontario |
| NinerNet Communications | British Columbia |
| Nintendo of Canada Ltd | British Columbia |
| Nipawin Computer Solutions | Saskatchewan |
| Nipissing University | Ontario |
| Nipissing University - Computer Science | Ontario |
| Nirico Systems, Inc. | Alberta |
| Nirix, Inc. | Alberta |
| Nirvana Canada | British Columbia |
| Nirvana Life Sciences | |
| Nirvanic Consciousness Technologies, Inc. | |
| NISA | British Columbia |
| Nisha Technologies, Inc. | Ontario |
| Nissford IT Management | |
| Nithub IT Solutions | |
| Nitrolic Games | Ontario |
| NitroMédia | Quebec |
| Nitrotek internet services | Nova Scotia |
| Nivii.com, Inc. | Quebec |
| Nixa | Quebec |
| Nixcom | Quebec |
| Nixi | |
| NJ Marketings | |
| Njoyn | Quebec |
| NJSOFTLAB | |
| NLPatent | |
| NMB Solutions | Ontario |
| Nmédia | Quebec |
| NMi Consulting | |
| nModal Solutions, Inc. | Ontario |
| nmodes | |
| NMS Technologies | |
| NMX Research and Solutions | |
| NNC Solutions | |