| Client name | City | Country |
|---|---|---|
| WTE Wassertechnik GmbH | Essen | Germany |
| WUXI SMART AUTO-CONTROL ENGINEERING CO.,LTD. | Wuxi | China |
| WUXI YADI FLUID CONTROL TECHNOLOGY CO.,LTD | Wuxi City | China |
| Wuzhong Instrument Co.,Ltd | Wuzhong | China |
| WWV Wärmeverwertung GmbH | Leuna | Germany |
| WWV Wärmeverwertung GmbH & Co. KG | Kandel/Pfalz | Germany |
| XERVON Instandhaltung GmbH | Münchsmünster | Germany |
| XOMOX France S.A.S | Brunstatt-Mulhouse | France |
| XOMOX Int. GmbH & Co. OHG | Lindau | Germany |
| Yanbu National Petrochemical Company | Yanbu Industrial City | Saudi Arabia |
| Yara Belgium N.V. | Brussels | Belgium |
| YARA Brunsbüttel GmbH | Büttel | Germany |
| Yara Sluiskil B.V | Sluiskil | Netherlands |
| Yncoris GmbH & Co. KG | Hürth-Knapsack | Germany |
| Yokogawa Deutschland GmbH | Ratingen | Germany |
| Yokogawa Electric International Pte Ltd | Singapore | Singapore |
| Young & Franklin Inc. | Liverpool | United States |
| Zaklad Automatyki Przemyslowej INTEC sp. z o.o. | Wroclaw | Poland |
| Zaklady Automatyki "POLNA" S.A. | Przemysl | Poland |
| Zeeland Refinery | Nieuwdorp | Netherlands |
| Zhejiang Beier Control Valve Co., LTD | Zhejiang | China |
| Zhejiang Linuo fluid control Technology Co., Ltd. | Ruian City | China |
| Zimmer AG | Frankfurt | Germany |
| Zwick Armaturen GmbH | Ennepetal | Germany |
| Zwick Valves North America LLC | La Porte | United States |
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