ISS Facility Services AG, Herr Colakovic
https://www.livit.ch/sites/default/files/2025-09/2025_Anmeldeformular_Gewerbe_DE%20-%20Interaktiv.pdf?v=1773395018
https://www.livit.ch/sites/default/files/2025-09/2025_Anmeldeformular_Gewerbe_DE%20-%20Interaktiv.pdf?v=1773395018