| Nextopia | Ontario |
| NexToronto | Ontario |
| NextPhase Strategy Marketing, Inc. | British Columbia |
| Nextpixel | |
| neXtract | Ontario |
| Nextron Ltd | Alberta |
| NextSys Networking, Inc. | Ontario |
| Nexu Transaction Technologies Ltd | |
| Nexum Media Group | |
| Nexun Media | Quebec |
| Nexus Computers Solutions | Ontario |
| Nexus Design Co. | |
| Nexus Design Media, Inc. | Ontario |
| Nexus Innovations | |
| Nexus IT Ltd | Ontario |
| Nexus Robotics | Quebec |
| Nexus-V, Inc. | Alberta |
| Nexwave | Quebec |
| Nexweb Solutions Internet, Inc. | |
| Nexxous Computer Centres Ltd | Alberta |
| Nfinite Nanotechnology, Inc. | |
| NFT Technologies, Inc. | |
| NG Creative | Ontario |
| NG Solutions | Quebec |
| NGC Aerospace Ltd | Quebec |
| NGen | |
| nGenuity | Nova Scotia |
| NGIT Services, Inc. | |
| NGRAIN (Canada) Corporation | British Columbia |
| NGX | British Columbia |
| Niaaa Consulting, Inc. | Ontario |
| Niagara College Canada | |
| Niagara Electronics | Ontario |
| Niagara Graphic and Web Design | Ontario |
| Niagara Graphic Design | Ontario |
| Niagara Graphic Solutions | |
| Niagara Onsite | Ontario |
| Niagara Web Design | |
| nibnut | Quebec |
| NIC Solutions | Ontario |
| Niceapp | |
| NiceJob | Ontario |
| Nicely Done | British Columbia |
| NICER Canada Corporation | British Columbia |
| Nickel Media | |
| NickoLabs | |
| Nicola Valley Institute of Technology | British Columbia |
| NIcolas Bouliane | Quebec |
| Nicolas' Internet Services | British Columbia |
| Nicom Interactive | Nova Scotia |