| Amphitrion Cruise Services |
| Celestyal Cruises |
| Cruisexperts Hellas |
| Cruiseplan |
| Discover the World Marketing Greece |
| Epirotiki Lines |
| Fortune and Saronic Cruises Joint Services |
| Hydraiki |
| Golden Star Cruises |
| Kiriacoulis Lines S.A. |
| Louis Hellenic Cruises see Celestyal Cruises |
| Minoan Cruises |
| Navihellas |
| Navigator Travel & Tourist Office |
| Nereus Group of Companies |
| C.G Olympic Cruises Ν.Ε |
| Orange Cruises Hellas S.A. |
| Pleasure Cruises Shipping Co |
| Saronic Cruises S.A. |
| Sea Cruises Exclusive |
| Travelway |
| Variety Cruises |