| Inc Creative | |
| Inde | |
| Index Recruitment | |
| Indigo Software | Wellington |
| Industrial Control Engineering Ltd | Wellington |
| Industrial Controls South Canterbury Ltd | Canterbury |
| Industry Connect | |
| inFact Ltd | Canterbury |
| Inferno Design & Digital | |
| Infinity United Commerce | Auckland |
| InfinityIT | |
| InfoAge Business Development Ltd | Wellington |
| Infomace International Ltd | Auckland |
| InfoPower Ltd | Wellington |
| Information Age Ltd | Auckland |
| Information and Communication Services Ltd | |
| Information Online Ltd | Auckland |
| Information Specialists Ltd | Auckland |
| Information Tools Ltd | Auckland |
| Infusion Business Software | Canterbury |
| Ingot Ltd | |
| Inhouse Computers | |
| Ink Direct Ltd | Manawatu-Wanganui |
| Inlet Technologies | Waikato |
| Inov7 Ltd | Wellington |
| Inspire Net Ltd | Manawatu-Wanganui |
| Instant Tech Solutions | |
| 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 | |
| Intech Software | |
| Integral Ltd | |
| Integral Management And Computer Services Ltd | Auckland |
| Integrate Data Solutions | |
| Integrated Automation Ltd | Auckland |
| Integrated Education Software Ltd | Bay of Plenty |
| Integrated Mapping Ltd | Canterbury |
| Integration Technologies Ltd | |
| InTELCOM Services Ltd | Wellington |
| Intelligent Information Solutions | Wellington |
| Intellium Technology | Auckland |
| Interaction | Auckland |
| Interactive Advertising Bureau of NZ, Inc. | Auckland |
| Intermart NZ | Canterbury |
| Internet Marketing International Ltd | Nelson |
| InternetNZ | Wellington |
| Interpine Group Ltd | |