| JETT Media Group, Inc. | Ontario |
| JEV Marketing and Communications | Ontario |
| Jewish General Hospital - Lady Davis Institute for Medical Research | |
| JF Custom Software & Scales | |
| JF TECH, Inc. | Quebec |
| JFL Média | Quebec |
| JFront, Inc. | Ontario |
| jhkrgrp.com | British Columbia |
| Jiburis, Inc. | Quebec |
| JIC Design, Inc. | Ontario |
| JIG Technologies | Ontario |
| Jigsy.com | British Columbia |
| Jikeli | Ontario |
| Jill Cannon Associates | Ontario |
| Jim DeLaHunt & Associates | British Columbia |
| Jim's Computer Repair | |
| JimBits Solutions | Alberta |
| Jim’s Remote Support | Ontario |
| Jintronix, Inc. | Quebec |
| Jitsutech | |
| JJM Graphic Ltd | Ontario |
| JK Computer Systems | Ontario |
| JLabs | |
| JLS Triangle, Inc. | Quebec |
| JM Consultants Web, Inc. | |
| JM Électronique | |
| JM Telecom Corporation | Ontario |
| JM Web Design | |
| JMA Technology Solutions | |
| JMB Logic | Quebec |
| JMF Network Services | Ontario |
| JMJ Évolution | |
| JMJ Group Consulting | Manitoba |
| JMO Systems | Ontario |
| JMR Logics | Ontario |
| JMX Consulting | Ontario |
| JNDevelopment | Ontario |
| jNetrix Systems, Inc. | Ontario |
| JNPSOFT | Quebec |
| Jo to the Web | Nova Scotia |
| Joanna Moss | |
| Job.Etrouve | |
| Jobber | Alberta |
| Jobboom, Inc. | Quebec |
| Jobcast | |
| Jobeyze Canada | |
| Jobillico | Quebec |
| Jobox Media | Quebec |
| JobServe Ltd | Ontario |
| Jobspresso | |