| Auxility | Ontario |
| Auxo Recruitment | |
| AV Design Consultants | |
| AV&R | |
| AV-BASE Systems, Inc. | Ontario |
| AVA Design | Ontario |
| Ava Telecom | Ontario |
| Avaal Technology Solutions, Inc. | Ontario |
| AVAC Ltd | Alberta |
| Avail | |
| Avaj | Ontario |
| Avalanche Networks | Ontario |
| Avalanche Search Marketing | Ontario |
| Avaleris | Ontario |
| Avalon Holographics, Inc. | |
| Avant Systems Group | Manitoba |
| Avantage | Quebec |
| AvanTech | Quebec |
| Avanti | Alberta |
| Avanti Computer Systems | Ontario |
| Avanti Internet Services | Quebec |
| Avantis Networks, Inc. | Ontario |
| AVARA Media, Inc. | |
| Avatar Software | Ontario |
| Avatara Software | |
| Avatek.ca | Ontario |
| Avateq Corporation | Ontario |
| Avaton | Ontario |
| AVAware Technologies, Inc. | Ontario |
| Avenir Software, Inc. | Alberta |
| Aventec | Ontario |
| Avenue 8 | Quebec |
| Avenue Media | British Columbia |
| Avenue Twelve | British Columbia |
| AvenueHQ Technology, Inc. | British Columbia |
| Avenza Systems, Inc. | |
| Aveo Software, Inc. | |
| Averica Discovery Services, Inc. | |
| Averna | Quebec |
| Aversan, Inc. | Ontario |
| Avert Systems Corporation | Alberta |
| Avetti.com Corporation | Ontario |
| AVH Technologies, Inc. | Quebec |
| AVHoster | Ontario |
| avianor.com | |
| Avicanna | |
| Avicenna Research | Ontario |
| Avidbots Corporation | Ontario |
| Avigilon | British Columbia |
| Avigna Systems, Inc. | Ontario |