| National Cable Specialists | British Columbia |
| National Capital FreeNet | Ontario |
| National Cellular, Inc. | Ontario |
| National Computer Resource | British Columbia |
| National Crowdfunding & Fintech Association of Canada | Ontario |
| National Grid | |
| National Hardware Sales Ltd | Ontario |
| National Industrial Communications, Inc. | Manitoba |
| National Institutes of Health Informatics | Ontario |
| National Payments Canada | |
| National Research Council Canada | Ontario |
| National RT | Quebec |
| Native Design Services | Nova Scotia |
| Natmark-Concept, Inc. | Quebec |
| Natrix Technologies, Inc. | Quebec |
| Natura Solutions | Ontario |
| Natural Click | Ontario |
| Natural Products Canada | |
| Natural Sciences and Engineering Research Council of Canada | Ontario |
| NaturalReader | British Columbia |
| Naturel Pharma | |
| Natweb.ca | Quebec |
| NauralDrive | |
| Nautalex Business Services, Inc. | Ontario |
| Nautel Ltd | |
| NautelNav | |
| Nauticomp, Inc. | Ontario |
| Nautilus Digital | |
| NAV Canada | |
| Nav-Aids Ltd | |
| NAVA Technologies, Inc. | |
| Navantis, Inc. | Ontario |
| NAVCANatm | Ontario |
| NAVCAST | |
| NaviData | |
| Navigate Startup House | |
| Navigator Marketing | Ontario |
| Navigator Multimedia, Inc. | British Columbia |
| Navion Medial Imaging | British Columbia |
| Navirum | |
| Navmatica | Ontario |
| NavSim Technology, Inc. | |
| Navvia | Ontario |
| Nawazish, Inc. | |
| NB Automation | Quebec |
| NBjobs.ca | New Brunswick |
| NBS Enterprises Ltd | |
| NBS Technologies, Inc. | Ontario |
| NBTUS Technology, Inc. | British Columbia |
| NConsulting.ca | British Columbia |