Grapner SA
route de Mangold 6,
1958 St-Léonard(Wallis)
Switzerland
Hydro-Nico
Kantonsstrasse 68A,
3930 Visp(Wallis)
Switzerland
Landmarep
Flugplatz,
3988 Ulrichen(Wallis)
Switzerland
Baumarep AG
Alte Landstrasse 177,
3900 Gamsen(Wallis)
Switzerland
Briguet SA
route de Chandoline 13,
1950 Sion(Wallis)
Switzerland