| Felix Smart, Inc. | |
| Fello Agency | |
| Fellow.app | |
| Femtech Canada | Ontario |
| Femtech Media, Inc. | British Columbia |
| Femtum | Quebec |
| Feniks Design | Quebec |
| Fenix Solutions | Ontario |
| Fensons | Quebec |
| Fentech Services, Inc. | Ontario |
| Fera | |
| Fern Web Design Services | British Columbia |
| Feroot Security | |
| Ferrus Computer Services, Inc. | Saskatchewan |
| Fersht, Inc. | Ontario |
| Ferst Capital Partners | Quebec |
| Festival Montréal joue | Quebec |
| FetchVision | |
| Fetiti Consulting Services | |
| FETTCH Technologies, Inc. | |
| Fexle | |
| ffPro.ca | |
| FGI Technologies | Quebec |
| FGS Solutions, Inc. | Ontario |
| FH Automation | Ontario |
| Fiber Connections, Inc. | Ontario |
| Fiber Core Communication | Ontario |
| Fiber Optic Network Technology | British Columbia |
| Fiber Optic Network Technology Co | British Columbia |
| Fibernet Services 2006 Ltd | British Columbia |
| Fibernetics Corporation | Ontario |
| Fibertech Canada E.R., Inc. | Ontario |
| FiberTech Optica | Ontario |
| Fiberworks | British Columbia |
| Fibra, Inc. | |
| Fibre Zone | Quebec |
| Fibrenoire | Quebec |
| Ficanex | |
| Ficodis | |
| Ficstar Software, Inc. | Ontario |
| Fidalia Networks | Ontario |
| Fiddlehead Technology | |
| Fidelity Integrated Systems | Ontario |
| Fido Solutions | Quebec |
| Fidus Systems | Ontario |
| Field Effect Software, Inc. | |
| Field Invoice & Reporting Engine | Alberta |
| Field Office Design, Inc. | Quebec |
| Field Safe Solutions | |
| Field Trip Health | |