- CruiseClub Holidays
 - Featuring tours in Greece including archaeological land tours and cruises, wine and culinary trips, student tours, and more. - GreeceTaxi
- Offers transfers and sightseeing including tours, excursions, business trips, suggested historical sites, and guide to greek food and night life.
- Navigator Travel & Tourist Services
- Airline, cruise, including Celebrity Cruises, and general sales agency.
- Astra
- Intimate and unique experiences combining independent and small group travel in Greece, led by owner and driver Thordis Simonsen.
- Proactive
- Offers custom tours and travel in Greece, Turkey, the Mediterranean, Europe, and beyond.
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