| Client name | City | Country |
|---|---|---|
| Shell & DEA Oil GmbH | Hamburg | Germany |
| Shell Deutschland Oil GmbH | Wesseling | Germany |
| Shell Deutschland Oil GmbH | Köln | Germany |
| Shell Global Solutions International B.V. | Amsterdam | Netherlands |
| Shell International Petroleum Company | London | United Kingdom |
| Shell Scotford Refinery | Fort Saskatchewan | Canada |
| shirokuma GmbH | Wetzikon | Switzerland |
| SICK AG | Reute | Germany |
| Sidcco | Baghdad | Iraq |
| Siegfried PharmaChemikalien Minden GmbH | Minden | Germany |
| Siemens AG | Bonn-Hardtberg | Germany |
| Siemens AG | Offenbach | Germany |
| Siemens AG | Essen | Germany |
| Siemens AG | Mülheim a. d. Ruhr | Germany |
| Siemens AG | Mannheim | Germany |
| Siemens AG Automation and Drives | Karlsruhe | Germany |
| Siemens AG Österreich | Wien | Austria |
| Siemens AG Power Generation | Erlangen | Germany |
| Siemens Energy d.o.o. | Zagreb | Croatia |
| Siemens Energy Global GmbH & Co. KG | München | Germany |
| Siemens Energy Inc. | Orlando | United States |
| Siemens Energy Industrial Turbomachinery India Pvt. Ltd. | Ahmedabad | India |
| Siemens Energy, s.r.o. | Brno | Czech Republic |
| Siemens Gas and Power GmbH & Co. KG | Duisburg | Germany |
| Siemens Heat Transfer Technology B.V. | Hengelo | Netherlands |