| Digital Hothouse | Auckland |
| Digital Identity NZ | |
| Digital Island | Auckland |
| Digital Nomad NZ | Wellington |
| Digital Optics Ltd | Auckland |
| Digital Pie | Bay of Plenty |
| Digital Promotions | Nelson |
| Digital Recovery Ltd | Waikato |
| Digital Stream | Auckland |
| Direct Capital | Auckland |
| Discount Domains | Auckland |
| Dispersed Data Network Consultants Ltd | Wellington |
| Division 27 Ltd | Auckland |
| DNC NZ Ltd | Auckland |
| Do Good Things | Auckland |
| Dodd-Walls Centre | Otago |
| Domain Agent | Auckland |
| Domain Name Commission NZ | Wellington |
| Done by Friday | Auckland |
| Dot Kiwi Ltd | Auckland |
| DOTDOT | |
| Douglas Pharmaceuticals Ltd | |
| Dove Electronics Ltd | Wellington |
| Downing | Nelson |
| DPA Technologies Ltd | Auckland |
| DPB Creations | Auckland |
| DPS Computers Ltd | Auckland |
| DR Design | Waikato |
| DREAMLAND Design Ltd | Waikato |
| DTC Systems 2003 Ltd | Auckland |
| DTS Ltd | Wellington |
| DTSL | Auckland |
| Duotone Design & Communication Ltd | Waikato |
| DVL Software Ltd | Auckland |
| Dynamic Controls | |
| E-builders NZ Ltd | Northland |
| E-cast | Auckland |
| e-Commerce News | Auckland |
| E-xpert developments | Wellington |
| eAccounts Global Ltd | Auckland |
| Eagle Technology Group Ltd | Auckland |
| Earthlight Internet Service Providers | Otago |
| Eastern Institute of Technology | Hawke's Bay |
| Easy serve | Waikato |
| Easy Social Media | Auckland |
| EasyBusines | Canterbury |
| Easyink Printers and Cartridges Ltd | Manawatu-Wanganui |
| EasyPC (Auckland) Ltd | Auckland |
| eCargo | Auckland |
| ecentre | Auckland |