Swiss Diamond Hotels
Hilton International
Swissotel International
Fairmont International
Raffles International
Marco Polo Group
Hotelfachschule Berlin/Koblenz
Kofler & Kompanie intenational
Marweld Restaurant Gruppe Berlin
Carnival Cruises Miami Beach
La Mas Candille Relais & Chateaux
Boutique Ressort Moungins
Leisure Lodge Club & Golf Resort
Diani Beach Kenia
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Club le Liquid in Nice - Cote d'Azur
Collier S.A.R.L. in Cannes - Cote d'Azur
Boutique Hotel Forsthaus Paulsborn Berlin
Hotel Europe au Lac in Ascona -Schweiz
Hotel Monte Verita in Ascona - Schweiz
Hotel Riposo in Ascona - Schweiz
Hotel Commodore in Lugano - Schweiz
Hotel Cristallo in Arosa - Schweiz
Hotel Laaxerhof in Laax - Schweiz
Hotel Eden Montana in Laax - Schweiz
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