| Company | Industry | City |
| J2Play LTD. | Games | Kitchener |
| James Gang Advertising and Design | Toronto | |
| Jar Creative | Toronto | |
| Javelin Pictures Inc | Television Production | Toronto |
| Jitex Consulting | Professional Services | Montreal |
| Jocey Designs | Markham | |
| Jordan Nahmias, Barrister and Solicitor | Professional Services | Toronto |
| JP LAUREN | Vaughan | |
| Juice Productions Inc. | Toronto | |
| JWA Group | London |