Europe-Places.com has listed approx 6 Real Estate Builders & Construction companies in 9430 St. Margrethen. Some of the Top rated Real Estate Builders & Construction companies in 9430 St. Margrethen are- Gautschi Gruppe - Gautschi AG Hauptsitz, Implenia Schweiz AG, Cellere Bau AG, i+R Wohnbau AG, Gautschi Gruppe - Gautschi AG Hauptsitz & Gautschi Gruppe - Gautschi AG Hauptsitz.