| Name | Region |
|---|---|
| Apera AI | |
| Aperium | Quebec |
| Aperto Networks | |
| Apex Business Machines | Alberta |
| Apex Business Machines + Supplies | Ontario |
| Apex Gaming Network | |
| Apex Innovative | |
| Apex Precision, Inc. | |
| Apex Software | Ontario |
| Apex Time Solutions | Ontario |
| Apex Wireless, Inc. | British Columbia |
| Apexia Voice and Data | Ontario |
| ApexO, Inc. | Quebec |
| Apidom | |
| Apii | |
| APL Borealis, Inc. | Ontario |
| Aplantex | |
| Aplos Digital | Ontario |
| Aplus New Media | Alberta |
| AplusBsoftware.com | Ontario |
| APM Solutions | Ontario |
| APN Global | |
| APOLLO Insurance Solutions Ltd | British Columbia |
| Apollo Microwaves Ltd | Quebec |
| ApolloCode | |
| Aponia | |
| APOS Systems, Inc. | Ontario |
| Apostrophe Solutions | |
| Apotex, Inc. | |
| App & Flow | |
| App Guardians | British Columbia |
| App Solve | Ontario |
| APP-SCOOP | British Columbia |
| App8, Inc. | |
| Appalaches Web | Quebec |
| Appara | |
| Apparence Media | |
| Apparent Software, Inc. | Manitoba |
| AppArmor | Ontario |
| Appazur Solutions, Inc. | |
| AppCentrica | |
| Appcom | Quebec |
| Appelezletech.com | |
| Apperative Solutions | |
| Appfabs | |
| Appficiency, Inc. | |
| Appfy, Inc. | Ontario |
| AppGear Ltd | |
| AppGuide | |
| Appili Therapeutics |