| Kundenname | Stadt | Land | 
|---|---|---|
| Qatar Modern Instruments & Controls Co. | Doha | Qatar | 
| Qatar Vinyl Company Ltd. Q.S.C. | Doha | Qatar | 
| QatarEnergy LNG | Doha | Qatar | 
| QPS Groep | Dordrecht | Netherlands | 
| QUAM s.r.l. | Fiorenzuola d'Arda | Italy | 
| R.C.F. Ltd. | Mumbai | India | 
| R.J.C. Associates Company Limited | Bangkok | Thailand | 
| R.P. Sarda S.r.l. | Sarroch | Italy | 
| Rabigh Refining & Petrochemical Co. | Rabigh | Saudi Arabia | 
| Radici Chimica Deutschland GmbH | Tröglitz | Germany | 
| Raffinerie Heide GmbH | Hemmingstedt | Germany | 
| Rain Carbon Germany GmbH | Castrop-Rauxel | Germany | 
| RAM E&I Systems Pvt. Ltd. | Chennai, Tamil Nadu | India | 
| RAM Engineering und Anlagenbau GmbH | Gelsenkirchen Buer | Germany | 
| Ramén Valves AB | Bromma | Sweden | 
| RAMSYS GmbH | Dorsten | Germany | 
| Ramsys GmbH | Saarbrücken | Germany | 
| RasGas Company Limited | Doha | Qatar | 
| Rayong Engineering & Plant Service Co., Ltd. | Bangkok | Thailand | 
| ReCon Management Services, Inc. | Sulphur | United States | 
| Regelmatic GmbH | Brunsbüttel | Germany | 
| Regelmatic GmbH | Rödermark | Germany | 
| Regelmatic GmbH | Gelsenkirchen | Germany | 
| Regeltechnik Kornwestheim GmbH | Kornwestheim | Germany | 
| REGLER + ARMATUREN Terschüren GmbH | Duisburg | Germany |