| Mobile-Pocket | Vienna |
| Mobile2Business | |
| Modul University Vienna | |
| Mokker AI | |
| Montanuniversität Leoben | Styria |
| Montanuniversität Leoben - Department Mathematik und Informationstechnologie | Styria |
| Moonshiner GmbH | |
| Moonvision GmbH | |
| Morpher Labs GmbH | |
| MOSTLY AI Solutions MP GmbH | |
| Motec Ventures GmbH | |
| Motiondata Vector Gruppe | Vienna |
| Move Digital | |
| Moving Bytes | |
| moxmolion | Styria |
| mPay24 GmbH | Vienna |
| MS Webdesign | |
| MSC - Michael Spiess Communications | |
| msg Plaut AG | Vienna |
| mtms Solutions | |
| Müller & Kanduth OG | Vienna |
| Multidata Software International Vertriebs GmbH | Lower Austria |
| Multimedia Agentur streibldesign | Carinthia |
| Multimedia GmbH | Vienna |
| MV-Data Datenverarbeitung GmbH | Vienna |
| Myllia Biotechnology GmbH | |
| Myna | |
| myVeeta | |
| n-tree Solutions Ticketsysteme GmbH | Vorarlberg |
| Namirial GmbH | Upper Austria |
| NBG Group | |
| Necture GmbH | |
| Nekonata XR Technologies GmbH | |
| neo-it GmbH | |
| Net Communication Management | Salzburg |
| Net Professionals GmbH | |
| Net4You Internet GmbH | Carinthia |
| Netal [Frank Krainer] | Vienna |
| NetControl Elektro & Sicherheitstechnik KG | Lower Austria |
| neteco IT GmbH & Co. KG | Salzburg |
| NetHope - Harald Müllner | Vienna |
| netidee.at | |
| nets.at IT Dienstleistungen | Vienna |
| netstorage | Vienna |
| Netural GmbH | Upper Austria |
| netwerk Kreidl GmbH & Co. KG | Vienna |
| Network & Internet Technologies | Styria |
| netzadresse.at Domain Service GmbH | Vienna |
| netzgrafik werbeagentur | Lower Austria |
| Neuron Automation | Lower Austria |