| Kundenname | Stadt | Land |
|---|---|---|
| PHOENIX Armaturenwerke GmbH | Volkmarsen | Germany |
| Pipeline Ingenieur-Team GmbH | Leipzig-Markkleeberg | Germany |
| Pipeline Technik Insumma GmbH | Puchheim | Germany |
| PKB Ingenieurgesellschaft mbH | Gelsenkirchen | Germany |
| plantIng GmbH | Gelsenkirchen | Germany |
| plantIng GmbH | Köln | Germany |
| Planungsbüro Klaus Bonten | Seeshaupt/Starnberger See | Germany |
| Pörner Ingenieurgesellschaft mbH | Grimma | Germany |
| PRE-VENT GmbH | Burghausen | Germany |
| Process Automation Solutions GmbH | Ludwigshafen | Germany |
| Process Automation Solutions GmbH | Bornheim | Germany |
| Prozessleittechnik Seffer | Hannover | Germany |
| PSG Fertigungs und Prozeßautomations GmbH | Burghausen | Germany |
| PUR Ingenieur GmbH | Wallenhorst | Germany |
| Pyrum Innovations AG | Dillingen/Saar | Germany |
| Radici Chimica Deutschland GmbH | Tröglitz | Germany |
| Raffinerie Heide GmbH | Hemmingstedt | Germany |
| Rain Carbon Germany GmbH | Castrop-Rauxel | Germany |
| RAM Engineering und Anlagenbau GmbH | Gelsenkirchen Buer | Germany |
| Ramsys GmbH | Saarbrücken | Germany |
| RAMSYS GmbH | Dorsten | Germany |
| Regelmatic GmbH | Gelsenkirchen | Germany |
| Regelmatic GmbH | Rödermark | Germany |
| Regelmatic GmbH | Brunsbüttel | Germany |
| Regeltechnik Kornwestheim GmbH | Kornwestheim | Germany |