| Client name | City | Country |
|---|---|---|
| Schneider Electric | Soultz | France |
| Schneider Electric Systems USA Inc. | PAMPA | United States |
| Schoppe & Faeser GmbH | Minden | Germany |
| Schott AG | Mitterteich | Germany |
| SCHROEDAHL GmbH | Reichshof-Mittelagger | Germany |
| Schubert & Salzer Control Systems GmbH | Ingolstadt | Germany |
| SchuF Valves China (SFCH) Limited | Hong Kong | Hong Kong |
| Schütz engineering PLT GmbH | Wadgassen | Germany |
| Score (Europe) Ltd | Brighouse | United Kingdom |
| Score (Europe) Ltd. | Leeds | United Kingdom |
| SECOMAT INGENIERIE INDUSTRIELLE S.A. | Notre Dame de Gravenchon | France |
| SEIKO Flowcontrol Ges. m. b. H. | Stockerau | Austria |
| SEIKO Flowcontrol spol. s r.o. | Blatnice pod Svatym Antoninkem | Czech Republic |
| Seinäjoki University of Applied Sciences | Seinäjoki | Finland |
| Senft Engineering GmbH | Bromberg | Austria |
| Servis Armatur S.R.O. | Paskow | Czech Republic |
| Severn A-T Armaturen GmbH | Oberhausen | Germany |
| SEVERN GLOCON INDIA PRIVATE LIMITED | Chennai | India |
| Severn Unival Ltd | Brighouse | United Kingdom |
| SGP - VA Energie- und | Wien | Austria |
| Shanghai BASF Polyurethane Co. Ltd. | Shanghai | China |
| Shanghai Kaiweixi valve company | Shanghai | China |
| Shanghai Sanzhou Automatic Control Instruments Co., Ltd | Shanghai | China |
| Sharpe Valves | Northlake | United States |
| Shell & DEA Oil GmbH | Hamburg | Germany |