| Tandem NZ Ltd | |
| Tank Webservices Ltd | Auckland |
| Tapi Ltd | |
| Tardis Communications | Canterbury |
| Target Technology Ltd | Taranaki |
| TASC Systems Ltd | |
| Taskly | |
| TaskPilot | |
| Tasman Consulting Ltd | Nelson |
| Tasman Satellite Services Nelson New Zealand | Nelson |
| TasTech Computers | Canterbury |
| Tauranga Computers | Bay of Plenty |
| Taylor Hamling | |
| TBD Digital | Wellington |
| TCL Communications | Manawatu-Wanganui |
| TD Tech | |
| Te Pūkenga – New Zealand Institute of Skills and Technology | Waikato |
| Te Wānanga o Aotearoa | |
| Te Whare Wānanga o Awanuiārangi | |
| TE-Software Ltd | Waikato |
| Tech Addictionz Ltd | |
| Tech Global | |
| Tech Group | |
| Tech On Road | |
| Tech Repairs | |
| Tech Tech Guys | |
| Tech23 | |
| TechAlliance | |
| Techday | Auckland |
| TechDay Ltd | Auckland |
| TechDomain | |
| Techexpress NZ | |
| Techion | |
| TechMasters | |
| TechNET Systems | |
| Technisanct | |
| Techno joy | Hawke's Bay |
| Technology Centre | Bay of Plenty |
| Technology Investment Network | |
| Technology Solutions | Wellington |
| Technology Training Consulting Ltd | Auckland |
| TechnologyWise | Bay of Plenty |
| Technoman (2016) Ltd | |
| TechRentals NZ | Auckland |
| Techsperts | |
| TECHSPO Auckland | |
| Techtorium | Auckland |
| Techtronics Group Ltd | Wellington |
| Techweek NZ | Auckland |
| TechWomen | |