Group Guide is used by the following companies:
Museum of Art, Winterthur
www.kmw.ch
Siemens International Headquarters Zug
Emmi, Langnau
Swiss School of Milling, St. Gallen
Corvatsch AG, Silvaplana
Basel Tourism
St. Gallen-Lake Constance Tourism
Winterthur Tourism
Guiding Group Service Center Switzerland - Untere Briggasse 28 - CH-3902 Brig-Glis - Tel 079 - 54 55 768 or info@group-guide.ch