Architectural firm Gabag AG Haldenstein Usserdorf 8, 7023 Haldenstein GR 081 353 88 37 Make an appointment 081 353 88 37
Architectural firm Rüedi Andrea Gustav Solararchitektur GmbH Arch. HTL, Energieing.-NDS, Baubiologe SIB Gässli 20, 7023 Haldenstein GR 081 353 33 93 * 081 353 33 93 *
Architectural firm Zumthor Peter & Partner Süesswinggel 20, 7023 Haldenstein GR 081 354 92 92 * 081 354 92 92 *