| Positionstack | |
| PRECOM Grafik & Internetagentur | Salzburg |
| Preware GmbH | |
| Printech | Lower Austria |
| Private Pädagogische Hochschule Burgenland | |
| Private Pädagogische Hochschule der Diözese Linz | Upper Austria |
| PROCAM Software, Systems, Services GmbH | Vienna |
| Professional Computer & Communication | Styria |
| ProjectNetWorld | Vienna |
| projektor.at Präsentationstechnik GmbH. | Vienna |
| Proman Software GmbH | Vienna |
| PromoMasters Online Marketing Ges.m.b.H. | Salzburg |
| PRONET IT Services | Styria |
| prop.ID GmbH | |
| PROPSTER | |
| ProSiebenSat.1 PULS 4 GmbH | |
| Proxmox Server Solutions GmbH | Vienna |
| Proxygen | |
| Prozess-Generator | Styria |
| Psion User Club Austria | Vienna |
| PSPDFKit GmbH | Vienna |
| PTM EDV-Systeme GmbH | Styria |
| Puaschitz IT GmbH | Vienna |
| Purple Lamp Game Development GmbH | Vienna |
| Q-Success | Lower Austria |
| Qas Informatik GmbH | Vorarlberg |
| QC Ventures | |
| QOTEC - König & Hauswirth OG | Lower Austria |
| QR Planet | |
| QROK GmbH | |
| Qualiant Software GmbH | Vienna |
| Qualysoft GmbH | Vienna |
| r2 Business Solutions GmbH | Vorarlberg |
| Raiffeisen Bank International AG | |
| Raiffeisen Bankengruppe Österreich | Vienna |
| Raiffeisen Informatik Consulting GmbH | Vienna |
| Raiffeisen Informatik GmbH | Vienna |
| Raiffeisen Software GmbH | |
| Ramsauer & Stürmer Software GmbH | Salzburg |
| Ranorex GmbH | Styria |
| Rarebyte OG | Vienna |
| RateBoard GmbH | |
| Rauschfrei Media | Vienna |
| ready2order GmbH | Vienna |
| Realraum | |
| realtime.at Domain Services GmbH | Salzburg |
| Reboot IT-Solution e.U. | Vorarlberg |
| RECOM Power GmbH | Upper Austria |
| ReDev GmbH | |
| Redfloor | Salzburg |