| KeyGhost Ltd | Canterbury |
| Kimer Med Ltd | |
| Kindrik Partners Ltd | Auckland |
| Kinetics Group | Auckland |
| Kiss IT Ltd | Bay of Plenty |
| Kitchen Table Web Design | Auckland |
| Kitomba | Wellington |
| Kiwa Web Productions | Taranaki |
| Kiwi VoIP Ltd | Auckland |
| Kiwi Website Design | Auckland |
| Kiwibank Ltd | Wellington |
| KiwiHost | Canterbury |
| Kiwilink Internet & IT | Auckland |
| Kiwiwebs | Manawatu-Wanganui |
| Klim Type Foundry | Wellington |
| Knightbridge Design | Auckland |
| Koda Web Design Auckland | Auckland |
| Kode Biotech | Auckland |
| Kordia Ltd | Auckland |
| Koru Websites Ltd | Northland |
| KPMDesign | Wellington |
| KTA Ltd | Auckland |
| Kudos Solutions Ltd | Auckland |
| Kudosweb | Auckland |
| KWD Apps | |
| Kyle Cabling | Auckland |
| Lab3 Apps | Canterbury |
| Labpro 2000 Ltd | Wellington |
| Laidlaw College | |
| LAN Cabling Products Ltd | Auckland |
| Lancom Technology | Auckland |
| LANWorx Ltd | Auckland |
| Latch Ltd | Auckland |
| Latipay | Auckland |
| LawVu | Bay of Plenty |
| LayerX Ltd | Waikato |
| Leading Edge Services Ltd | Auckland |
| LearnCoach | |
| Lexel Systems Ltd | Auckland |
| Lightwire | Waikato |
| Limelight Online Ltd | Canterbury |
| Lincoln Agritech | |
| Lincoln University New Zeland | Canterbury |
| Litmaps | |
| LittleMonkey Ltd | Wellington |
| LocationTech New Zealand | |
| Locus Ltd | Auckland |
| Lofty NZ Ltd | Taranaki |
| Logic1 | Otago |
| Logistic Information Systems Ltd | Bay of Plenty |