Directory
| Company | Industry | City |
| Kaboose | Toronto | |
| KAGA Inc. | Toronto | |
| Kalixo | Toronto | |
| KarizmaMarketing | Toronto | |
| Kastomp Game Studios | Toronto | |
| Kathryn Saunders Design Inc. | Toronto | |
| Kaustic Design | Toronto | |
| Kay & Warburton | Toronto | |
| KAZAM Technologies Inc. | Markham | |
| Kensington Communications Inc. | Toronto | |
| Key of E, The | Toronto | |
| Kids Can Press Ltd. | Toronto | |
| Kids Help Phone | Toronto | |
| Klick Communications | Toronto | |
| KOEI Canada Inc. | Toronto | |
| KPMG | Professional Services | Toronto |
