| Carnival Cruises |
| Celebrity Cruises (Hellas) Co. Ltd. |
| Costa Crociere |
| Cunard |
| Holland America |
| Louis Hellenic Cruises |
| MSC Cruises |
| NCL – Norwegian Cruise Lines |
| Ocean Sea |
| Premier Cruise Lines |
| Princess Cruises |
| Royal Caribbean Cruises Ltd. |
| Seabouurn |
| Sea Cloud Cruises |
| Sea Cruises Exclusive |
| Silversea Cruises |
| Star Clippers |