| Anthony Kolber | Victoria |
| Anthrocell Pty Ltd | New South Wales |
| Anti Chaos Solutions | |
| Aogen Pty Ltd | |
| AOS Group | Victoria |
| APCD | New South Wales |
| Apex Automation and Robotics Pty Ltd | |
| Apex Digital Pty Ltd | Queensland |
| Apex Pacific | New South Wales |
| Apexhost Pty Ltd | Victoria |
| APLDigital | New South Wales |
| Aplus Technology Pty Ltd | New South Wales |
| APNIC | Queensland |
| App Boxer | New South Wales |
| App Gallery Pty Ltd | |
| App Gurus | Queensland |
| App Media | New South Wales |
| Appcon Pty Ltd | New South Wales |
| Appello Pty Ltd | New South Wales |
| Appello Pty Ltd | |
| Appen | New South Wales |
| Appen Ltd | |
| Appetiser Pty Ltd | Victoria |
| Appica | |
| Apple Advertising Pty Ltd | |
| Apple Bondi | New South Wales |
| Apple Castle Towers | New South Wales |
| Apple Chadstone | Victoria |
| Apple Charlestown | New South Wales |
| Apple Chatswood Chase | New South Wales |
| Apple Chermside | Queensland |
| Apple Doncaster | Victoria |
| Apple Penrith | New South Wales |
| Apple Perth City | Western Australia |
| Apple Robina | Queensland |
| Apple Southland | Victoria |
| Apple Sydney | New South Wales |
| Apple-Q | Queensland |
| Application Service Provider Pty Ltd | South Australia |
| Applickable | |
| Applied Electric Vehicles Ltd | |
| Applied EV | |
| Appliquette | South Australia |
| Appmart | |
| AppNative | |
| Appoly Pty Ltd | |
| Appomate | Victoria |
| Apps Firm | New South Wales |
| Apps People | Western Australia |
| Apps.lk | New South Wales |