| Newton Pty Ltd | Australian Capital Territory |
| Nexefy | Queensland |
| NexGenSm | Australian Capital Territory |
| Nexion Data Systems Pty Ltd | Queensland |
| Nexon Asia Pacific | New South Wales |
| NEXTDC Ltd | Queensland |
| NextFaze | South Australia |
| Nextwave | New South Wales |
| Nexus ERP | New South Wales |
| Nexus6 Software Pty Ltd | Victoria |
| NexusQA Pty Ltd | Queensland |
| NGIS | Western Australia |
| Nifty IT | Queensland |
| Nile Street Multimedia | South Australia |
| Nimble Australia Pty Ltd | Queensland |
| Nimo Industries Pty Ltd | Victoria |
| Nirmal Website Design Sydney | New South Wales |
| NJStar Software Pty Ltd | New South Wales |
| NO BS Marketplace | Victoria |
| No Crumbs Communications | Western Australia |
| Nomad | New South Wales |
| Nomad Designs | |
| Nominal Accounting Software | New South Wales |
| Noop Group Pty Ltd | |
| Norm's Computer Services | Queensland |
| North Metropolitan TAFE | |
| North Parade Digital Services | New South Wales |
| Northland Asset Group | Western Australia |
| NovaCina | Western Australia |
| Novotech | New South Wales |
| NOW Digital | Victoria |
| Noxopharm Ltd | New South Wales |
| NQ Web Design | Queensland |
| NQBE | Queensland |
| Nucleics | Victoria |
| Nuix | New South Wales |
| Nuroflux | New South Wales |
| Nutromics Pty Ltd | Victoria |
| Nuvo Creative | Queensland |
| Nventt | Victoria |
| NW Communications | Western Australia |
| Nyrada | New South Wales |
| O2 | New South Wales |
| OAC Digital | Victoria |
| Oak Focus Software | Australian Capital Territory |
| Oak Telecom | Victoria |
| OAS Technology | New South Wales |
| Object Craft | Victoria |
| Objective US | New South Wales |
| OccuRx | Victoria |