| Municipal Information Systems Association | British Columbia |
| Municipalité des Îles-de-la-Madeleine | |
| MuniSoft | Saskatchewan |
| Munjal White Consulting Corporation | Ontario |
| Munro Electronics | New Brunswick |
| Munvo Solutions, Inc. | Quebec |
| Murandi Communications Ltd | Alberta |
| Murphy Designs | Ontario |
| Murphy Solutions, Inc. | Ontario |
| MurraySoehn | Ontario |
| Muse | |
| Muse by Interaxon, Inc. | |
| Musipix | Quebec |
| Musitechnic Formation | |
| Muskoka Graphics Design Studio | Ontario |
| Mustang Cloud Computing | Quebec |
| Mustard Seed eCommerce, Inc. | Ontario |
| MV Consultant TI | |
| MVE Solutions, Inc. | Quebec |
| MVP IT | |
| MW Web Design | British Columbia |
| MW, Inc. | |
| MW6 Technologies, Inc. | Alberta |
| MWDHosting | Nova Scotia |
| MX Memory Experts International | Quebec |
| MXO | Quebec |
| My Blue Umbrella | Ontario |
| My Cheap Web Design | |
| My Choice Financial, Inc. | |
| My Free Telecom | Ontario |
| My IT Guy | Ontario |
| My Left Foot, Inc. | |
| My Little Big Web | Quebec |
| My Loud Speaker | |
| My SEO Experts | |
| My SEO Source | Ontario |
| My Tech Electronics | Ontario |
| My Teknology | Ontario |
| MY01 | |
| Myant, Inc. | Ontario |
| myBlueprint | |
| MYC Interactive | |
| Myca Santé, Inc. | Quebec |
| MyCanadaPayday.com | |
| mycommittee.com, Inc. | Ontario |
| MyCustomizer | Quebec |
| MyCybernet | Ontario |
| Mydasoft Solutions | Ontario |
| Mydecine Innovations Group | |
| Mydoma Studio | |