| Moveware Pty Ltd | Victoria |
| Moxitek Pty Ltd | |
| MPX Software | |
| Mr Scanman Pty Ltd | New South Wales |
| Mr. Tech | |
| MrTelco | Queensland |
| MSP Corporation | |
| MSP Technology Solutions | Western Australia |
| MSS | |
| MSY Technology Pty Ltd | Victoria |
| MTPConnect | |
| 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 |
| Multimediax Pty Ltd | |
| MultiTech IT | |
| Multiweb Pty Ltd | New South Wales |
| Muncho Web Design | Queensland |
| Mundipharma International Ltd | |
| Murdoch Children's Research Institute | |
| Murdoch University | Western Australia |
| Murdoch University - School of Information Technology | 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 |
| myPresences | |
| Myrio Therapeutics Pty Ltd | |
| Myriota | South Australia |
| Mys Tyler Tech Pty Ltd | New South Wales |
| MYtech Consulting Services | |
| MyWebAdvantage | |
| MyWebTeam | New South Wales |
| MyWork | Queensland |
| Nabooki Pty Ltd | Queensland |
| Namesuppressed | Western Australia |
| NameTerrific Pty Ltd | |
| Nan Tien Institute | |
| Nanosonics | |
| Naonis Pty Ltd | |