| IDS Canada | Ontario |
| IDS Systems Consultants, Inc. | Ontario |
| Idside Applications Web | Quebec |
| IE Technologies | Ontario |
| IEG America | Quebec |
| IES Group, Inc. | Ontario |
| iExperto, Inc. | Ontario |
| iExperto, Inc. | |
| iFactum | Ontario |
| iFathom | Ontario |
| iFire | Ontario |
| iFixPhones | Alberta |
| Ifrix Solutions | |
| IFX Productions | Quebec |
| IG Graphic | British Columbia |
| iGan Partners | Ontario |
| IGBS Computer Electronics Services | Ontario |
| IGECO International, Inc. | Quebec |
| Igeno | British Columbia |
| IGG Electronics | Quebec |
| Igloo Software | Ontario |
| iGMS | |
| IGNIS Innovation, Inc. | Ontario |
| Ignite | |
| Ignite Ad Technology | |
| Ignite Atlantic | Nova Scotia |
| Ignite Digital | |
| Ignite Web Design & Development | |
| iGo Sales and Marketing, Inc. | |
| iGotcha Media | Quebec |
| IGS Systems, Inc. | Ontario |
| IGY Immune Technologies and Life Sciences, Inc. | Ontario |
| iHeart | |
| iHorse Ventures, Inc. | Ontario |
| ihotweb | Quebec |
| IHR Télécom | Quebec |
| IIBS | Ontario |
| Ikigai | |
| Ikonek | |
| Ikrave | British Columbia |
| IKS Media & Technology Ltd | |
| ikTel Networks | Ontario |
| ILAP | Ontario |
| iLasalleCampus | Quebec |
| Illogika | Quebec |
| Illumiti | Ontario |
| Illusive Creations, Inc. | Alberta |
| Illusive Design | |
| Illusorr Corporation | |
| Illustrate, Inc. | Ontario |