| Tracta | |
| TradeWindow | Auckland |
| Tradify | |
| Trakk Assets | |
| Traktion Ltd | |
| Transformative | Auckland |
| TransNational | |
| Tranzsoft | Auckland |
| Treehouse Networks Ltd | Waikato |
| Trench & Cable Ltd | Auckland |
| Treshna Enterprises Ltd | Canterbury |
| Trickstar web design | Hawke's Bay |
| Trineo | Canterbury |
| Trinity Bioactives Ltd | |
| Triode | Auckland |
| Triton Commercial Systems | Auckland |
| Trust Alliance New Zealand | |
| TTC | Auckland |
| Tui Technology | |
| Turboweb | |
| TVD | Auckland |
| Two Degrees Mobile Ltd | Auckland |
| TXTATEK | |
| Uber Group | Northland |
| Ubertec Ltd | Auckland |
| UIT Ltd | Northland |
| Ultimate Web Designs | |
| Ultra IT | |
| Ulysses Solutions Ltd | Auckland |
| Umbrellar Ltd | Auckland |
| Unbound Digital Marketing | Waikato |
| Uncommon Digital | Wellington |
| Unfuddle NZ Ltd | |
| Unicornfactory | |
| Unitec Institute of Technology | Auckland |
| Universal College of Learning | Manawatu-Wanganui |
| Universal Support | |
| University of Auckland | Auckland |
| University of Auckland - Department of Electrical, Computer, and Software Engineering | Auckland |
| University of Auckland - Department of Mathematics | Auckland |
| University of Auckland - School of Computer Science | Auckland |
| University of Canterbury | Canterbury |
| University of Canterbury - Computer Science and Software Engineering | Canterbury |
| University of Canterbury - School of Mathematics and Statistics | Canterbury |
| University of Canterbury - Waterways | |
| University of Otago | Otago |
| University of Otago - Computer Science | Otago |
| University of Otago - Department of Mathematics and Statistics | Otago |
| University of Otago - School of Computing | Otago |
| University of Waikato | Waikato |