| passport GmbH | Hamburg |
| Password Safe | Bavaria |
| path digital PD GmbH & Co. KG | |
| PatHechtDesign | Saarland |
| Pathmonk GmbH | |
| Pathway Solutions GmbH | |
| Patient 21 SE | |
| PATOffice | |
| Patric Patris Online-Systeme GmbH | Baden-Württemberg |
| Patrick Krüger | |
| PatternPad | |
| Paul Bakaus - The Sea of Ideas | Rhineland-Palatinate |
| Paul IT-Service GmbH | |
| PAUL Tech AG | |
| Paul-Datenverarbeitung GmbH | Rhineland-Palatinate |
| Paul-Drude-Institut für Festkörperelektronik | |
| Paul-Ehrlich-Institut | |
| Paulo Fernandes & André Kleegräfe GbR | Baden-Württemberg |
| PAV Soft Systeme | Novotrend GmbH | Saxony-Anhalt |
| Payactive GmbH | |
| Payever GmbH | |
| Payload | |
| Paylobby GmbH | |
| Payment Universe | Bavaria |
| Paymill GmbH | Bavaria |
| PayPense | |
| Payrails | |
| Paytec GmbH | Bavaria |
| PBA Experts GmbH | |
| PBS Network GmbH | Baden-Württemberg |
| PBS Software GmbH | Hesse |
| PBUGG e.V. | Berlin |
| PC ab 50 Leipzig | Saxony |
| PC CADDIE Service GmbH | North Rhine-Westphalia |
| PC Dienst | Hamburg |
| PC Games Hardware | |
| PC Service Berlin Ihr IT-Spezialist | Berlin |
| PC Spektrum e.K. | Hesse |
| PC- & Webservice Graunke | Brandenburg |
| PC-CASH Team | Schleswig-Holstein |
| PC-College Training GmbH | Berlin |
| PC-Doktor München | Bavaria |
| PC-Heaven.de | Baden-Württemberg |
| PC-Mentor GmbH | Hesse |
| PC-Notdiest Stralsund | Hesse |
| pc-plus TRAINING & SERVICE GmbH | Bavaria |
| PC-Spezialist | Hesse |
| PC-Systeme Frank Ebeling | North Rhine-Westphalia |
| PC-SystemWorks Mannheim | |
| PC112 | Hamburg |