| Testforce Systems, Inc. | Quebec |
| Testoper Community | |
| testworX, Inc. | Ontario |
| TeTechS | |
| Tetra Tech | |
| Teva Canada Ltd | |
| Tevelec Ltd | Ontario |
| Tevosol, Inc. | |
| Texada Software | Ontario |
| Texas Electronics Canada, Inc. | Quebec |
| TEXCAN | British Columbia |
| TEXO | Quebec |
| Text'nDrive | Quebec |
| TextMaster | Ontario |
| TextNow, Inc. | Ontario |
| Textureweb | Nova Scotia |
| TFG Financial | |
| TG Conseils | Quebec |
| TGraphisme | |
| TGV Net Mauricie | Quebec |
| Thacker Network Technologies, Inc. | Alberta |
| Thames Communications Ltd | Ontario |
| That Guy Who Fixes Phones | |
| The 51 Ventures | |
| The A5 Agency | Ontario |
| The Accelerator | Alberta |
| The Ad Managers, Inc. | Ontario |
| The Agency, Inc. | |
| The Airdrie IT Department | Alberta |
| The Anera Group, Inc. | |
| The Answer Company | British Columbia |
| The Attain Group, Inc. | Ontario |
| The Avalon Tech | |
| The Babal Color Company | Quebec |
| The Bans Consulting Group, Inc. | Ontario |
| The Base Mapping Co., Ltd | Ontario |
| The Best Media | Ontario |
| The Better Software Company | Ontario |
| The Big Brain | Ontario |
| The Big Idea | Alberta |
| The Bitmill, Inc. | Alberta |
| The Blue Factor | Ontario |
| The Blue Grid | Alberta |
| The Bridge | Ontario |
| The Brit Agency | |
| The Broker Forum, Inc. | Quebec |
| The BSD Certification Group, Inc. | Ontario |
| The Business Accelerators, Inc. | Ontario |
| The Business Tuner | British Columbia |
| The Bytown Group, Inc. | Ontario |