| Artindustrial Informationstechnologien GmbH | |
| Artraum | Lower Austria |
| Artware Multimedia GmbH | Vienna |
| ASCHER IT & Automation | Tyrol |
| Aschl Management Systems | Upper Austria |
| ASCUS Telecom GmbH | Carinthia |
| Asgardia | |
| aspern.mobil LAB | |
| Astrocontact Software | Upper Austria |
| Astron Electronic GmbH | Carinthia |
| Astroper e.U. | |
| Atmoky GmbH | |
| Attingo Datenrettung GmbH | Vienna |
| ATVIRTUAL.NET KG | Lower Austria |
| Atwork GmbH | |
| Audio Video Consulting GmbH | Salzburg |
| Audvice GmbH | |
| Auphonic GmbH | |
| Ausgleichsenergie & Bilanzgruppen-Management AG | Tyrol |
| Austria Technologie & Systemtechnik Aktiengesellschaft | Styria |
| Austria WebHosting | Styria |
| Austria Wirtschaftsservice Gesellschaft mbH | |
| Austria4U | Vienna |
| Austrian Academic Computer Network | Vienna |
| Austrian Academy of Sciences - Institute for Quantum Optics and Quantum Information Vienna | |
| Austrian Academy of Sciences - Johann Radon Institute for Computational and Applied Mathematics | Upper Austria |
| Austrian Angel Investors Association | |
| Austrian Cooperative Research | |
| Austrian Development Agency | |
| Austrian Innovation Forum | |
| Austrian Institute for SME Research | |
| Austrian Oracle User Group | Vienna |
| Austrian Private Equity and Venture Capital Organisation | |
| Austrian Research Institute for Artificial Intelligence | Vienna |
| Austrian Standards | |
| Austrian Startup Monitor | |
| Austrian Startups | Vienna |
| Austrianni GmbH | |
| AustrianStartups Summit | |
| Austrianweb Onlinemarketing | Vienna |
| austriaProvider | Vienna |
| AUTFORCE Automations GmbH | Styria |
| Authentic Vision GmbH | |
| AutomationX GmbH | Styria |
| AV-Comparatives | Tyrol |
| Avataris | |
| Avocodo GmbH | Upper Austria |
| Axess AG | Salzburg |
| Axians ICT Austria GmbH | |
| axtesys GmbH | |