| i-lign Ltd | Wellington |
| i-webdesign.co.nz | Auckland |
| i.Agri Ltd | Taranaki |
| Ibis Technology | Otago |
| Ice Angels | Auckland |
| Icehouse Ventures | Auckland |
| ICL Education Group | |
| ICRAFT | Auckland |
| iDEAStarter | Auckland |
| IDIOM Ltd | Auckland |
| iDt Group Ltd | Auckland |
| Iexcel | Auckland |
| Igor.co.nz | Wellington |
| iHost | Wellington |
| ImageArt.co.nz Ltd | Canterbury |
| Impact Enterprise Fund | Auckland |
| Impact Web Design Ltd | Canterbury |
| Impact383 | Bay of Plenty |
| Impetus Group Ltd | Wellington |
| Inbox Design Ltd | Bay of Plenty |
| IndeServe | Wellington |
| Index Recruitment | |
| Indigo Software | Wellington |
| Industrial Control Engineering Ltd | Wellington |
| Industrial Controls South Canterbury Ltd | Canterbury |
| inFact Ltd | Canterbury |
| Infinity United Commerce | Auckland |
| InfoAge Business Development Ltd | Wellington |
| Infomace International Ltd | Auckland |
| InfoPower Ltd | Wellington |
| Information Age Ltd | Auckland |
| Information Online Ltd | Auckland |
| Information Specialists Ltd | Auckland |
| Information Tools Ltd | Auckland |
| Infusion Business Software | Canterbury |
| Ink Direct Ltd | Manawatu-Wanganui |
| Inlet Technologies | Waikato |
| Inov7 Ltd | Wellington |
| Inspire Net Ltd | Manawatu-Wanganui |
| Instinctively Real Media | |
| Institute of Environmental Science and Research | |
| Institute of IT Professionals New Zealand, Inc. | Wellington |
| INSUL | Auckland |
| Insurance Broker Technology Ltd | Auckland |
| InsurTechNZ | |
| Integral Management And Computer Services Ltd | Auckland |
| Integrated Automation Ltd | Auckland |
| Integrated Education Software Ltd | Bay of Plenty |
| Integrated Mapping Ltd | Canterbury |
| InTELCOM Services Ltd | Wellington |