For more than 35 years, KATEK has stood for technology leadership in electronics manufacture. The KATEK brand pools its extensive EMS competences to form a powerful unit.

Competence centers (CC) in the subsidiaries complete our portfolio and provide know-how to where it is needed.

Katek GmbH

Katek GmbH is among the largest electronics services providers (EMS) in Germany and has developed a best-in-class testing technology. At the production plants in Grassau (headquarters) and Györ (Hungary), highly automated large-series orders can be filled on the basis of all common certifications.

Katek Website


ETL is one of the most modern E²MS (electronic engineering and manufacturing services) service providers in Germany. The Mauerstetten location is remarkable for its use of cutting-edge technologies, its flexibility, and its excellent quality, including for small batches.

ETL Website

Steca Elektronik GmbH

An innovative electronics company with sustained growth, STECA combines years of experience, development expertise, and innovative power as a manufacturer of STECA-brand solar technology product lines and as an electronics service provider. In the area of electronics services, STECA is very diverse and delivers to partners all over the world.

Steca Website