| Lambda Solutions | British Columbia |
| Lambton College | |
| Lambton College - Computer Programmmer | Ontario |
| Lamicro, Inc. | Quebec |
| LAN MD | Ontario |
| LAN Quest Ltd | Nova Scotia |
| Lanaudière Économique | |
| LandMarkVR Ltd | |
| LANDR | |
| Landsdowne Consulting Group | Ontario |
| LandView Drones | Alberta |
| LANEC Solutions Web | Quebec |
| Lanetco Computer Networks, Inc. | Ontario |
| Langara College | British Columbia |
| Langara College - Computer Science | British Columbia |
| Langara College - partment of Mathematics | British Columbia |
| Langley IT Services | |
| Langnetic | Ontario |
| Lanimedia | British Columbia |
| Lankar | Ontario |
| Lanleys International, Inc. | |
| LANmaster, Inc. | |
| Lanner Electronics Canada Ltd | Ontario |
| Lannex | Quebec |
| Lansdowne Tel | Ontario |
| Lansol Technologies, Inc. | Ontario |
| LanTalk CEZEO Software Ltd | British Columbia |
| Lantz Electronics Ltd | Nova Scotia |
| LANVis Corporation | Ontario |
| Lanworks, Inc. | Ontario |
| Lap-Tech, Inc. | Ontario |
| Lapbaby Designs | Ontario |
| Laplace Insights | |
| Laptop Closeout | Ontario |
| Laptopcloseout | Ontario |
| Lara Internet Service Provider | Ontario |
| Lara Spence Web Design | British Columbia |
| LaRecharge.ca | Quebec |
| Larkin & Company | Ontario |
| Larmur, Inc. | Quebec |
| Larochelle Groupe Conseil | Quebec |
| Larouche Bureautique | Quebec |
| Larouche Marque et communication | |
| Larry Gardner | Ontario |
| LARS, Inc. | Quebec |
| Larue Info, Inc. | Quebec |
| Larus Technologies | Ontario |
| LaSalle College Vancouver | |
| Laser Life, Inc. | Ontario |
| LaserAge, Inc. | Ontario |