| MetaCycler BioInnovations | |
| MetaData Consultants, Inc. | Ontario |
| Métafo | Quebec |
| Metafold 3D | Ontario |
| Metaform Communication Design, Inc. | British Columbia |
| Metaformix Information Systems, Inc. | British Columbia |
| Metak Systems, Inc. | Ontario |
| Metam | |
| Metamend Online Marketing | |
| Metamorfic | Quebec |
| Metanet Software, Inc. | Ontario |
| MetaOptima Technology, Inc. | British Columbia |
| Metaplast Circuits Ltd | Ontario |
| Metareal Corporation | |
| Metarovers, Inc. | |
| MetaSeries | |
| Metaspectral | |
| MetaSync Solutions | Ontario |
| MetatronCube Software Solutions | |
| Metaverse Insider | |
| Metaverse Mind Lab | |
| MetaVRse, Inc. | |
| Metaworks, Inc. | Nova Scotia |
| Metcom Canada Ltd | Ontario |
| Metegrity | Alberta |
| Meteor Telecommunications | Ontario |
| Metered | |
| Metex, Inc. | Ontario |
| Methapharm, Inc. | |
| Method Integration | |
| Method Media | Manitoba |
| Meti Telecommunications Installation, Inc. | Ontario |
| Meticulosity, Inc. | British Columbia |
| Metiquity Ventures | |
| MetOcean Telematics | Nova Scotia |
| Metrex | Manitoba |
| Metribook | |
| Metric Hosting Ltd | Saskatchewan |
| Metric Marketing | Manitoba |
| Metric Media | |
| MetricAid | |
| Metrics Online Marketing | |
| Metricsflow | Newfoundland and Labrador |
| Metro Chaîne D'Approvisionnement | |
| Metro College of Technology - Data Science and Application | Ontario |
| Metro Computers | Alberta |
| Metropolis Designs, Inc. | Ontario |
| Metropolitan Internet Services | Alberta |
| Metropolitan Technologies | |
| Metspace | |