| Kundenname | Stadt | Land | 
|---|---|---|
| John Crane GmbH | Fulda | Germany | 
| John Crane Sealing Systems India Pvt. Ltd. | Pune | India | 
| John Zink GmbH | Frankfurt | Germany | 
| John Zink KSS | Dudelange | Luxembourg | 
| Johnson Matthey Chemicals GmbH | Emmerich | Germany | 
| JSC Severodonetsky ORGHIM | Severodonetsk | Ukraine | 
| Juette Engineering | Kempen | Germany | 
| Jungbunzlauer Austria AG | Wulzeshofen | Austria | 
| Junkalor GmbH | Dessau | Germany | 
| JVS Engineers Pte Limited | Singapore | Singapore | 
| JVV Holding BVBA | Lint | Belgium | 
| KAB TAKUMA GmbH | Berlin | Germany | 
| Kali-Chemie AG | Nienburg | Germany | 
| KBN Engineering GmbH | Marl | Germany | 
| KBR ENGINEERING & CONSTRUCTION INDIA PVT LTD. | Gurgaon | India | 
| KCG College of Technology | Chennai | India | 
| Kent | Houston | United States | 
| Kentrol Automatic Control Engineering (Jiangsu) Co. | Xuzhou City | China | 
| KERN Technology GmbH & Co. KG | Eisenberg | Germany | 
| Kernkraftwerk Brunsbüttel GmbH & Co. oHG | Brunsbüttel | Germany | 
| Kerr McGee Pigments N.V. | Antwerpen | Belgium | 
| Key Valve Technologies Limited | Kyunggi-Do | Republic of Korea | 
| KEY-TECH Engineering Company, Mumbai, Ind | Mumbai | India | 
| Keynes Planungsgesellschaft mbH | Neuss | Germany | 
| Keystone GmbH | Mönchengladbach | Germany |