| Melbourne Knowledge Week | Victoria |
| Melbourne Mobiles Pty Ltd | Victoria |
| Melbourne Online | Victoria |
| Melbourne PC User Group, Inc. | Victoria |
| Melbourne Polytechnic | Victoria |
| Melbourne Satellites | Victoria |
| Melbourne School of Engineering | Victoria |
| Melbourne Web Digital | |
| Melbourne Web Studio | |
| Memories Group Ltd | Victoria |
| Memphasys | |
| Menkom | New South Wales |
| Mensatech | |
| Mentat Web Designs | Victoria |
| Mentegram Pty Ltd | |
| Menzies Leadership Foundation | |
| Menzies School of Health Research | |
| Merge Marketing | |
| Meridian 86 Pty Ltd | Queensland |
| Meshmedia | New South Wales |
| Mesoblast Ltd | |
| Message4u Pty Ltd | Victoria |
| Meta Creative | Western Australia |
| MetaGene Pty Ltd | |
| Metarouge | |
| Metavurx VR | New South Wales |
| MetaWeb | |
| Metawerx Pty Ltd | Victoria |
| Metisc | |
| Metricus Pty Ltd | New South Wales |
| Metro Software Developments | Victoria |
| Metronome Agency Pty Ltd | |
| Metropolis Agency Pty Ltd | New South Wales |
| MI Academy | Victoria |
| Mick Patterson | |
| Micro Response | Victoria |
| Microba Life Sciences | Queensland |
| MicroChannel Services | New South Wales |
| Microelectronic Technologies | Queensland |
| Microknot | |
| Micromine | |
| Micron21 Pty Ltd | Victoria |
| MicroRentals | New South Wales |
| Microsoft Australia | New South Wales |
| Microsolve | |
| Microsys Pty Ltd | |
| Microtrade | Victoria |
| MicroWay Pty Ltd | Victoria |
| Midcoast | New South Wales |
| MIE Software | Victoria |