| Muirfield Computer Services Pty Ltd | Victoria |
| Mullum Mac | New South Wales |
| MultiArray Pty Ltd | New South Wales |
| Multibase Technologies | New South Wales |
| Multiline Pty Ltd | Western Australia |
| Multimedia Australia Pty Ltd | Queensland |
| Multimedia Creative | New South Wales |
| Multiweb Pty Ltd | New South Wales |
| Muncho Web Design | Queensland |
| Murdoch University | Western Australia |
| Murdoch University - Mathematics & Statistics | Western Australia |
| muru-D | New South Wales |
| MusesCodeJS | New South Wales |
| mVoice Pty Ltd | Victoria |
| Mwave Australia | New South Wales |
| mx51 Pty Ltd | New South Wales |
| My CMO Pty Ltd | |
| MyAppMate | Victoria |
| MyHappytel | New South Wales |
| MYOB Technology Pty Ltd | Victoria |
| Myosh | Western Australia |
| Myrio Therapeutics Pty Ltd | Victoria |
| Myriota | South Australia |
| Mys Tyler Tech Pty Ltd | New South Wales |
| MyWebTeam | New South Wales |
| MyWork | Queensland |
| Nabooki Pty Ltd | Queensland |
| Namesuppressed | Western Australia |
| Nanosonics | |
| National Australia Bank Ltd | Victoria |
| National Computational Infrastructure | Australian Capital Territory |
| National POS Systems Pty Ltd | New South Wales |
| Natsoft | Tasmania |
| Naview | Victoria |
| Navigator Utilities | New South Wales |
| NBN Co Ltd | New South Wales |
| NCH Audio Tools | Australian Capital Territory |
| NDA Training Tasmania | Tasmania |
| Neara | |
| Nearmap | |
| Necall Voice and Data | Western Australia |
| Nelson Bay Online Pty Ltd | New South Wales |
| Neo Products Pty Ltd | Victoria |
| Neon Jungle | Tasmania |
| Nepean Micro Computers | New South Wales |
| Nerds on Wheels | Western Australia |
| Nerdster Pty Ltd | New South Wales |
| Net Ninjas | Victoria |
| Net Smart Marketing | Victoria |
| Net Solutions Pty Ltd | Victoria |