| Digital Organics | Queensland |
| Digital Pacific | New South Wales |
| Digital Perth Agency | Western Australia |
| Digital Pieces | |
| Digital Playhouse Pty Ltd | Queensland |
| Digital Presence | New South Wales |
| Digital Quotient Australia | |
| Digital Squad | Victoria |
| Digital Stand | |
| Digital Thing Pty Ltd | |
| Digital Transformation Agency | Australian Capital Territory |
| Digital Union Pty Ltd | Western Australia |
| Digital Village Pty Ltd | New South Wales |
| Digital West | |
| Digital White Spaces | Victoria |
| Digital8 | |
| Digitally Buzzed | |
| Digitalmaas | New South Wales |
| Digitalon | |
| Digitalroar | |
| Digitalway | |
| DigitalZoop | New South Wales |
| Digiweb | |
| Digiwhiz | Victoria |
| Dilate Digital | Western Australia |
| Dimensionāµ | Victoria |
| Dimerix | Victoria |
| Dingbat Studios Pty Ltd | South Australia |
| DINGO Software Pty Ltd | Queensland |
| Dingosoft | New South Wales |
| Dinkum Web Solutions | New South Wales |
| DInsight | Victoria |
| Diraq | New South Wales |
| Direct Clicks | New South Wales |
| Direct Communications | Western Australia |
| Direct Marketing Software | New South Wales |
| Directions Technology | Queensland |
| Directory.com.au | New South Wales |
| Discount Domain Name Services | Victoria |
| Discovery Technology | New South Wales |
| Distl | |
| District Tech | |
| ditno Pty Ltd | |
| DiUS Computing Pty Ltd | Victoria |
| Diverse Services (WA) Pty Ltd | Western Australia |
| Diverse Website Design | |
| Diversus Group | New South Wales |
| Divide Data | New South Wales |
| DIY Computers | New South Wales |
| Dizian Digital | |