| Ostheimer Webdesign & Online Marketing | Lower Austria |
| Ottronic GmbH | Styria |
| Out There Media | Vienna |
| P.C.A. EDV Beratung GmbH | Vienna |
| P.I.C.S. Salzburg GmbH & Co. KG | Salzburg |
| Pädagogische Hochschule Steiermark | Styria |
| Pädagogische Hochschule Vorarlberg | |
| Paris Lodron Universität Salzburg | Salzburg |
| Paris Lodron Universität Salzburg - Fachbereich Informatik | |
| Parlai | |
| Parsek Information Technologies GmbH | |
| Patrick Seher | Lower Austria |
| Patrick Wied | Vienna |
| Paul Putz & Partner Management Consulting GmbH | |
| pdfEndpoint | |
| Pentanova GmbH | Styria |
| Pero Computer Handelsgesellschaft mbH | Upper Austria |
| Peter Ostry e.U. | Lower Austria |
| Peter Rauter GmbH | Salzburg |
| Phenomatics Virtual Reality Software GmbH | |
| Philipp G. Schenkl | Vienna |
| PhoneTorch | Lower Austria |
| Pimcore GmbH | Salzburg |
| PiNK.Express GmbH | |
| pinzweb.at GmbH & Co. KG | Vienna |
| Pioneers Innovation GmbH | Vienna |
| Pircher Software | Vorarlberg |
| pits GmbH | Upper Austria |
| PIVY Tammura e.U. | Vienna |
| Pixel Melange | Vienna |
| Pixelpoems Online Architects | Vienna |
| pixelpoint multimedia werbe GmbH | Carinthia |
| Pixelution.at | Tyrol |
| plan2net GmbH | Vienna |
| Plandata Datenverarbeitungs GmbH | Vienna |
| Planet Ocean Fund | |
| planetsoftware GmbH | Vienna |
| PlanRadar | Vienna |
| Plasmatic Solutions | Lower Austria |
| Platogo Interactive Entertainment GmbH | Vienna |
| Platomics GmbH | |
| Playerhunter GmbH | |
| plug | Vienna |
| pmaSoft | Styria |
| Pöltl & Partner KG - web2future | Styria |
| Pontis Capital | Vienna |
| Popup Communications GmbH | Vorarlberg |
| Porsche Bank AG | Salzburg |
| POS Kassen & EDV-Systeme | Vorarlberg |
| PosControl | Lower Austria |