• Kuoni Travel Ltd. (Incoming Services), Zurich, Switzerland.  

• Hilton International Hotels.  

• Saltours International Ltd., London, U.K  

• Consortium Tours of North America, New York, U.S.A.  

• Saudi British Bank, Riyadh, Saudi Arabia.  

• Malaysia Tourism Promotion Board, Kuala Lumpur, Malaysia.  

• Spanish Tourist Board, Madrid, Spain.  

• RMG Tours, Singapore.  

• Asian Overland Services, Kuala Lumpur, Malaysia.  

• Star Cruises.  

• World Avenues Ltd. Geneva, Switzerland.  

• Marriott International Hotels.  

• Asian Trails Ltd., Bangkok, Thailand.  

• Mercan Tourism, Istanbul, Turkey.  

• Walker Tours Ltd, Colombo, Sri Lanka.