| Australian Prudential Regulation Authority | |
| Australian Public Access Network Association, Inc. | Victoria |
| Australian Securities & Investments Commission | Australian Capital Territory |
| Australian SEO Expert Melbourne SEO | Victoria |
| Australian Signals Directorate | Australian Capital Territory |
| Australian Space Agency | |
| Australian Space Research Institute Ltd | Queensland |
| Australian Trade and Investment Commission | |
| Australian Type Foundry | New South Wales |
| Australian Web Experts Pty Ltd | Victoria |
| Australian Web Industry Association | Western Australia |
| Australian Website Development | New South Wales |
| Australian Website Development | |
| Australian Women in Security Network | Victoria |
| Australianwebsites.com | Queensland |
| Australia’s vision for quantum | Australian Capital Territory |
| AusTrials | Queensland |
| AusWeb Design | New South Wales |
| Auto-IT | Victoria |
| AutoBizz | |
| Automatica Pty Ltd | Victoria |
| Automatico | Victoria |
| Automix.ai | |
| Av-Comm | New South Wales |
| Avance Clinical | South Australia |
| Avant Marketing | New South Wales |
| Avant Tech | |
| Avante IT | New South Wales |
| Avantgarde Technologies | Western Australia |
| Avarni | |
| AVCorp | |
| Avecho Biotechnology Ltd | Victoria |
| Avenue Digital | Victoria |
| Aviato Consulting Pty Ltd | |
| Avinet Pty Ltd | South Australia |
| Avion Medical Pty Ltd | |
| Aviso IT | Western Australia |
| Avocado Consulting Pty Ltd | New South Wales |
| Avolution Pty Ltd | New South Wales |
| Avondale University College Ltd | New South Wales |
| Award One Technology Pty Ltd | Victoria |
| Aware IM | New South Wales |
| Awasu Pty Ltd | |
| Away Digital Teams | |
| AWD | Victoria |
| AWD Digital | Victoria |
| Axelia Oncology Pty Ltd | |
| Axiflux Pty Ltd | Victoria |
| Axiom Design Partners | Western Australia |
| Axios IT | South Australia |