The companies in this field of business produce circuit boards, passive components and intelligent press-fit connecting systems. In addition, Würth Solar GmbH & Co. KG manufactures photovoltaic modules in its CISfab (CIS stands for copper (C), indium (I) and selenium (S)) in Schwäbisch Hall on the basis of the innovative CIS technology, offering the modules via its partner Würth Solergy as parts of complete systems.