Isabellenhütte Heusler

Isabellenhütte Heusler GmbH & Co. KG is a family-run company with headquarters in Dillenburg and subsidiaries in the USA, Japan and China. With over 1,000 employees worldwide, it generated sales of around 188 million euros in 2021. The company is among the most important manufacturers of electrical resistance materials and thermoelectric materials for temperature measurement and passive components for the automotive, electrical and electronics industries. Its precision measurement systems set the industry standard for current, voltage and temperature measurement in hybrid and electric vehicles, renewable energy generation systems and are present in the aerospace industry and Formula 1.