| Tadex | Overijssel |
| Tadicom Europe N.V. | South Holland |
| Tagnet Groep B.V. | |
| Tagworks Pharmaceuticals | |
| Talenting Software | |
| Talentroo | |
| Talk360 | North Holland |
| TallComponents B.V. | Gelderland |
| Talmundo | North Holland |
| Tambien | North Brabant |
| TangibleXR B.V. | |
| Tangram B.V. | Utrecht |
| TapRaise B.V. | |
| TargED Biopharmaceuticals | |
| TBlox | South Holland |
| TBS De Buck B.V. | North Brabant |
| TBS Electronics B.V. | North Holland |
| TCA Telecom & IT | Drenthe |
| TCOMB | Groningen |
| Team Digital | |
| Team EIFFEL | |
| Team Nijhuis | Limburg |
| Team6 Game Studios | Drenthe |
| TEC Documents B.V. | North Holland |
| Tech Data Nederland B.V | |
| TechConnect B.V. | Limburg |
| Techleap.nl | |
| TechLogics | Groningen |
| TechNews180 | |
| Technica del Arte B.V. | Limburg |
| TechniekJobBoard | |
| Technisch Buro West Brabant B.V. | North Brabant |
| Technische SEO | |
| Technische Universiteit Delft | |
| Technische Universiteit Delft - Interactive Intelligence Group | South Holland |
| Technische Universiteit Eindhoven | North Brabant |
| Technische Universiteit Eindhoven - Department of Mathematics and Computer Science | North Brabant |
| Technodesignip | South Holland |
| Technohaus | |
| Technologia Incognita | |
| Technologic | |
| Technologietraining & advies | |
| Technomed | |
| Technos B.V. | North Holland |
| Technova Computing B.V. | North Brabant |
| Techone B.V. | |
| TechSon Automatisering | |
| TECHSPO Amsterdam | |
| TechTastic.nl | |
| Techval | |