| Trinex Internet Solutions, Inc. | British Columbia |
| TriNimbus | British Columbia |
| Triniti Technology | |
| Trinity Communication Services Ltd | Ontario |
| Trinity Electronics Systems Ltd | Alberta |
| Trinity Web Hosting | Alberta |
| Trinity Western University | British Columbia |
| Trinity Western University - Computing Science | British Columbia |
| TrinityTech | |
| Trinus | |
| Trio Computers | Ontario |
| Trio Web Design | Saskatchewan |
| Triode | |
| triOS College Business Technology Healthcare, Inc. | Ontario |
| Trip Ninja, Inc. | Nova Scotia |
| Triple Agent Digital Media, Inc. | |
| Triple Armor IT | Alberta |
| Triple Data | Ontario |
| Triple Dub Media, Inc. | |
| Triple Hair | |
| Triple I Web Solutions | British Columbia |
| Triple My Business | British Columbia |
| Triple R Telecom Ltd | New Brunswick |
| TripleCheck Consulting | Alberta |
| Tripnologies | |
| TripStack, Inc. | |
| Triptyq | |
| Trisotech | Quebec |
| TRISPEC Communications, Inc. | Quebec |
| Tritech Insurance Systems, Inc. | Ontario |
| Triton Global Business Services, Inc. | |
| Triton Pro | Ontario |
| TritonWear, Inc. | |
| TRIUMF | |
| Trivest Canada | Ontario |
| Trivision Geosystems Ltd | Alberta |
| Triware Technologies, Inc. | Newfoundland and Labrador |
| TriWest Capital Partners | Alberta |
| Trizova | |
| TRL Solutions | |
| TRM Technologies, Inc. | Ontario |
| Troglo Reach WiFi | |
| Trois-Soixante | Quebec |
| Troisième | |
| TrojAI | |
| TrojAI, Inc. | |
| Trojan Technologies Group ULC | |
| Trolley Technologies, Inc. | |
| Trommex Computer Services | Alberta |
| Tronia Systems Ltd | Alberta |