| Name | Region |
|---|---|
| Teamleader | |
| Tech Lane Ghent | East Flanders |
| Tech Tour | |
| Tech Tour | |
| Tech Tour (Europe Unlimited) | Brussels-Capital |
| Techne | Flemish Brabant |
| Technocité | |
| Technofutur TIC | Hainaut |
| TechStartupDay | |
| Techtronix | |
| Techventures | |
| Techwin | Antwerp |
| Tectavia | Antwerp |
| Tein Technology | |
| Teledyne ICM | |
| Telenet | Brussels-Capital |
| Teleson S.A. | Brussels-Capital |
| Televic | West Flanders |
| Teleweb B.V.B.A. | |
| Tellink | Antwerp |
| TenForce | Flemish Brabant |
| Tengu | |
| TestingBot | |
| Tetrasoft | |
| TFE | Antwerp |
| The Basement | |
| The CoFoundry | |
| The Crew Communication | Brussels-Capital |
| The Hive Effect | |
| The Reference | East Flanders |
| The Right Move S.P.R.L. | Namur |
| the Security Factory | |
| theCollective | East Flanders |
| Themosis | Luxembourg |
| THEO Technologies | |
| Theodorus | |
| TheValueChain | |
| ThreeFold Tech | |
| Thunder Network Systems | Brussels-Capital |
| Thynk.Cloud | |
| Tickoweb B.V.B.A. | |
| tix02 | Namur |
| TMKSolutions | |
| To The Point BVBA | East Flanders |
| To The Point S.P.R.L. | East Flanders |
| Tobania | Flemish Brabant |
| Tomson B.V.B.A. | East Flanders |
| TONES.be | Flemish Brabant |
| Top System S.A. | Brussels-Capital |
| TraceModeler.com | West Flanders |