Garaventa AG
Rue des Trembles 14, 1950 Sion / Wallis
3W
Teoxane SA
1203 Geneva
Mercury Engineering Switzerland GmbH
Wright-Strasse 7, 8152 Glattpark (Opfikon)
S+B Baumanagement AG
Louis Giroud-Strasse 26, 4600 Olten
1M
Zindel + Co. AG
Industriestrasse 19, 7304 Maienfeld