The group specializes in the fabrication of analog and mixed-signal integrated circuits for fabless semiconductor companies, as well as MEMS and solutions for high voltage applications.

[1] The holding company named "X-FAB Silicon Foundries SE" is based in Tessenderlo, Belgium while its headquarters is located in Erfurt, Germany.

[2] In the same year, X-Fab (at this time owned by Belgian holding company named Elex N.V)[3] acquired Thesys and disposed of its non-foundry business.

[8] In 2012, the X-Fab group acquired MEMS foundry Itzehoe GmbH where the latter was a spin-off from Fraunhofer Institute for Silicon Technology (ISIT).

[2] In 2015, PowerAmerica (a research institute under Manufacturing USA network) collaborated with X-Fab production facility in Lubbock, Texas to produce 150-mm Silicon carbide wafers for power electronics applications.

[11] In 2016, the X-FAB group acquired the assets of Altis Semiconductor, making the fab in France their sixth manufacturing site.

[13] The main shareholders of X-Fab Silicon Foundries are Xtrion NV (61.4%) and Sarawak Technology Holdings Sdn Bhd (35.2%).