| Tangetia Ventures Ltd | |
| Tangible Dream Solutions, Inc. | Ontario |
| Tangible Software Solutions | British Columbia |
| Tangible, Inc. | |
| TangledCord.com | Ontario |
| Tango Software, Inc. | Quebec |
| Tango Web Media | Ontario |
| Tangoo | British Columbia |
| Tangram Studio | Ontario |
| Tanida DemoBuilder | Ontario |
| Tanida Software, Inc. | Ontario |
| Tanner Financial Services | |
| Tannery Creek Systems | |
| TanSolution | Quebec |
| Tantramar Interactive, Inc. | New Brunswick |
| TAO Solutions | Ontario |
| Tap Forms | Alberta |
| Tap Report, Inc. | |
| Tapgency | |
| TapLane, Inc. | |
| Taplytics, Inc. | Ontario |
| TAPNET | Alberta |
| TAPoR Team | Alberta |
| Tapstream Network, Inc. | British Columbia |
| TapSweep Countersurveillance Services, Inc. | Ontario |
| Tara Cleveland | Ontario |
| Tara Joy Andrews | Nova Scotia |
| Tarantula Consulting, Inc. | Ontario |
| TaraSpan | Ontario |
| Targa Biomedical | Quebec |
| Target Directories Corporation | Ontario |
| Target Genius | |
| Target Internet Development Corporation | Ontario |
| Targo Communications | Quebec |
| Targray Technology | Quebec |
| Targus Canada | Ontario |
| Tarka Labs | |
| Tartanbond | |
| TAS | |
| TAS Technologies | Ontario |
| TASI Technical Software, Inc. | Ontario |
| TASK Micro-Electronics, Inc. | Quebec |
| Task Network | |
| TaskAnyone.com | Ontario |
| TASKE Technology | Ontario |
| TaskQue, Inc. | |
| Tato, Inc. | |
| Tatou communication visuelle | Quebec |
| TATUM Bioscience, Inc. | |
| Taunt Media, Inc. | British Columbia |