| Angel Electronics | Ontario |
| Angel Forum Society | British Columbia |
| Angel Investors Ontario | Ontario |
| Angel One Investor Network | Ontario |
| Anges Québec | Quebec |
| Anges Québec Capital | Quebec |
| Angie Hodder | Nova Scotia |
| Angus GeoSolutions, Inc. | Ontario |
| Angus Systems Group | Ontario |
| Anim'O Design | Quebec |
| Animated Media, Inc. | Ontario |
| Animikii Indigenous Technology | British Columbia |
| Anjali International | Ontario |
| Ankit Designs | Ontario |
| Anna Tulchinsky Website Marketing Consultancy | Ontario |
| Annapolis Valley Web Design | Nova Scotia |
| Anne Verge Creative | Nova Scotia |
| Annex Media Marketing, Inc. | Ontario |
| Anney Ha | |
| Annie Bergeron - Conseillère Web | Quebec |
| Anno Internet | British Columbia |
| Anogen-Yes Biotech Laboratories Ltd | |
| Anomera, Inc. | |
| Anoosh Tech Corporation | Ontario |
| ANP Solutions | Quebec |
| Anstice | |
| Answermen Ltd | Ontario |
| AnswerNet Canada | |
| Antelope, Inc. | |
| Anthem | Ontario |
| Anthony Macauley Associates | British Columbia |
| Anthony Maley | British Columbia |
| Antibe Therapeutics, Inc. | |
| Antibex Software | Ontario |
| Antidote | Quebec |
| Antimatter Creative Labs | |
| AntlerA Therapeutics | Ontario |
| Antonio Cangiano | Ontario |
| Antradar | Ontario |
| ANTSAND | |
| ANTVibes, Inc. | Ontario |
| Anvil Integrated Solutions, Inc. | Ontario |
| Anvil+Shock | Ontario |
| Anyday, Inc. | |
| Anyload Transducer Co., Ltd | British Columbia |
| Anyon Systems, Inc. | |
| Anyon Systems, Inc. | |
| Anyplace Control | British Columbia |
| AnyWare Group | New Brunswick |
| Anzer IT Healthcare | Ontario |