| Mintent | British Columbia |
| Minto Spatial Solutions Ltd | British Columbia |
| MinuteBox, Inc. | |
| MiO Informatic | Quebec |
| Miovision Technologies, Inc. | |
| MIPC | |
| Mirabel Management, Inc. | |
| Mirabilis.ai | |
| Mirada Media | Quebec |
| Miradev, Inc. | Quebec |
| MIrage | |
| Mirage VR, Inc. | |
| Mirai Security, Inc. | |
| Miralupa | Quebec |
| Miramar Design Studio, Inc. | Ontario |
| Miranda Johnsen | British Columbia |
| Mirano Systems, Inc. | Alberta |
| Mirasee | |
| Miravo Healthcare | |
| Mircea Baldean | Ontario |
| Mircom | Ontario |
| Mirego | Quebec |
| Mireth Technology | British Columbia |
| Miridaro Integrated Business Software (2004), Inc. | Ontario |
| miRoncol | |
| miRoncol Health | |
| MirTig Software Ltd | Ontario |
| MIS Electronics, Inc. | Ontario |
| MIS Implants Technologies Ltd | |
| MIS International | Quebec |
| Misaq | Ontario |
| Misfit Media | |
| MishaTECH Computer Services | British Columbia |
| MiShell Software Systems | Ontario |
| Mishkat Digital Marketing | |
| Mishkumi Technologies, Inc. | Ontario |
| MISO Chip | |
| Miss Mediosa, Inc. | Nova Scotia |
| Missing Link Technologies Ltd | New Brunswick |
| Mission Centre | |
| Mission Computers, Inc. | Alberta |
| Mission Control | |
| Mission CRM | |
| Mission Software, Inc. | British Columbia |
| Mission Systems Development, Inc. | Ontario |
| MissionOp | Nova Scotia |
| Mississauga Economic Development Office | |
| Missive | |
| Misstic Studio | |
| MissWebDesign.com | Ontario |