| Prime Consult ... for your business GmbH | |
| Primel Interaktiv GmbH | North Rhine-Westphalia |
| Primera Technology Europe | Hesse |
| Primeur Software | Hesse |
| primion Technology AG | Baden-Württemberg |
| Primo | |
| PrimSEO | |
| Princeville Capital | |
| Printcom GmbH | Baden-Württemberg |
| Printor | Baden-Württemberg |
| Prinz Service & Entwicklung GmbH | Bavaria |
| Priotecs IT GmbH | North Rhine-Westphalia |
| Prisma Computersysteme GmbH | Baden-Württemberg |
| Prisma Software Engineering GmbH | Lower Saxony |
| Prismat GmbH | |
| Prius Consult GmbH | |
| Private Hochschule für Wirtschaft und Technik | |
| Privatemode | |
| PRO Datentechnik GmbH | Lower Saxony |
| Pro Design Electronic GmbH | Bavaria |
| PRO DV AG | North Rhine-Westphalia |
| Pro Nova Elektronik GmbH | Baden-Württemberg |
| PRO SERVE Datenbank-Concept GmbH | Berlin |
| PRO-CM Computer Management und Service GmbH | Baden-Württemberg |
| pro-data service GmbH | |
| Pro-Linux.de | Rhineland-Palatinate |
| Pro-Vogue Marketing GmbH | Hesse |
| pro-WINNER GmbH | Baden-Württemberg |
| Pro/Motion Industrie-Elektronik GmbH | Baden-Württemberg |
| pro:tagon Direct Marketing GmbH & Co. KG | North Rhine-Westphalia |
| proALPHA Software AG | Rhineland-Palatinate |
| PROASS EDV-Unternehmensberatung W. Frömmgen GmbH | Rhineland-Palatinate |
| ProBioGen AG | |
| procado Consulting, IT- & Medienservice GmbH | Berlin |
| Procedia GmbH | Lower Saxony |
| Process Automation Solutions GmbH | Rhineland-Palatinate |
| Process Insights AG | |
| ProcEvolution GmbH | |
| ProClean Software GmbH | Hesse |
| PROCOM iPOS Systems GmbH | |
| Procom Technologie GmbH & Co. KG | North Rhine-Westphalia |
| ProCom-Bestmann Vertrieb + Service von Headsetlösungen und Bürocommunication e.K. | Saxony-Anhalt |
| ProComp GmbH | Bavaria |
| ProConsult Gesellschaft für IT-Beratung mbH | Bavaria |
| proCtec GmbH | Hesse |
| Procube Systementwicklung | North Rhine-Westphalia |
| Procuros GmbH | |
| Prodanet GmbH | Hesse |
| Prodat Informatik GmbH | Brandenburg |
| Prodatis Consulting AG | Saxony |