| IT Weapons | Ontario |
| IT Werks Technologies | Ontario |
| IT World Canada | Ontario |
| IT-Careers | Ontario |
| IT-Expert on Call | Ontario |
| IT-Novations | |
| IT-Solution.ca | |
| IT/IQ Tech Recruiters | British Columbia |
| iTacit | |
| ITAdvisors | |
| ITBusiness.ca | Ontario |
| ITC Systems | Ontario |
| ITDevelop.ca | |
| iTec Web Design | Ontario |
| iTECH Canada Conseil, Inc. | Ontario |
| iTech Conferences | |
| ITech Solutions | |
| iTech System | Quebec |
| Itechnocrat | Alberta |
| iTechnoLabs | |
| iTechworks Web Design & Networking | Nova Scotia |
| ITEK Solutions | |
| iTel Networks, Inc. | British Columbia |
| Itelya Communications | |
| ItemNet International, Inc. | Ontario |
| Itergy International, Inc. | Quebec |
| Iterum Software | |
| ITESMédia | Quebec |
| ITF Technologies, Inc. | Quebec |
| ITFIED | |
| ITgreen Network Solutions | British Columbia |
| itgroove Professional Services Ltd | British Columbia |
| ITGS, Inc. | Quebec |
| ITI | |
| ITI - Innovative Technology, Inc. | Ontario |
| ITinCanadaOnline | Ontario |
| ITIS Technology Ltd | |
| ITJobs.ca | Quebec |
| ITL Circuits | Ontario |
| ITL Technologie | Quebec |
| ITM Canada | |
| ITM Instruments, Inc. | |
| ITM Technologies | Alberta |
| iTMethods, Inc. | Ontario |
| ITMission | |
| ITnet | |
| ITODS | Ontario |
| iToolPro | Ontario |
| ITopia Corporation | Alberta |
| ITR Laboratories Canada, Inc. | |