Federnwerke J.P. Grueber GmbH & Co. KG

Federnwerke J.P. Grueber GmbH & Co. KG is a specialized spring manufacturer and engineering supplier based in Hagen, Germany, producing custom technical springs and formed wire parts for international industrial markets. Founded in 1828, the company has nearly two centuries of expertise in developing heavy-duty coil springs, compression springs, extension springs, torsion springs, and buffer springs. Their technical product catalog serves demanding application fields including rail vehicle engineering, automotive suspension systems, building vibration isolation, and general machinery construction. As an established OEM supplier for railway technology, the company manufactures high-performance primary and secondary suspension springs for high-speed trains such as the ICE 4 and regional trainsets. In addition to technical spring production, Grueber offers computer-controlled cold and warm forming processes, protective surface coatings, material testing, and custom engineering support. The company works closely with global system manufacturers to design tailored vibration damping and spring solutions for heavy equipment, agricultural machinery, and structural engineering projects. Operating from its headquarters in North Rhine-Westphalia, Grueber combines advanced research and development with integrated logistics concepts to deliver certified German-made spring components worldwide.