Adria Ferries - 2 ships

Algérie Ferries - 3 ships

ANEK Lines - 7 ships

Baleària - 6 ships

Birka Line - 1 ship

Blue Star Ferries - 6 ships

BornholmerFærgen - 1 ship

Brittany Ferries - 13 ships

Caledonian MacBrayne - 2 ships

Caledonian Maritime Assets - 4 ships

Color Line - 8 ships

Compagnie tunisienne de navigation - 2 ships

Condor Ferries - 3 ships

Corsica Ferries - Sardinia Ferries - 13 ships

Corsica Linea - 8 ships

Cunard Line - 3 ships

Destination Gotland - 5 ships

DFDS Seaways - 17 ships

DSB - 2 ships

Eckerö Line - 2 ships

Estonian Shipping Company - 1 ship

European Seaways - 1 ship

Far East Shipping Company - 1 ship

Fast Ferries - 3 ships

Ferrovie dello Stato Italiane - 3 ships

Finnlines - 8 ships

Fjord Line - 4 ships

Fred. Olsen Express - 1 ship

FRS Iberia/Maroc - 1 ship

Golden Star Ferries - 1 ship

Grandi Navi Veloci - 8 ships

Grimaldi Lines - 12 ships

Hapag-Lloyd - 6 ships

Hellenic Seaways - 7 ships

Hurtigruten Group - 13 ships

IMTC - 1 ship

Irish Ferries - 5 ships

Isabella Cruises - 1 ship

Isle of Man Steam Packet Company - 3 ships

Jadrolinija - 5 ships

La Méridionale - 2 ships

Levante Ferries - 2 ships

Minoan Lines - 3 ships

Moby Lines - 12 ships

Molslinjen - 7 ships

Naviera Armas - 3 ships

NorthLink Ferries - 3 ships

P&O Cruises - 4 ships

P&O Ferries - 18 ships

Polferries - 4 ships

Porto Santo Line - 1 ship

Red Star Ferries - 1 ship

Road Scholar - 1 ship

Scandlines - 11 ships

Seajets - 3 ships

Seatrans (Norway) - 5 ships

Silja Line - 4 ships

Siremar - 1 ship

Smyril Line - 1 ship

SNAV - 1 ship

St. Peter Line - 1 ship

Stena Line - 29 ships

Superfast Ferries - 1 ship

Tallink - 10 ships

Tirrenia - 4 ships

Transfennica - 1 ship

Trasmediterránea - 5 ships

TT-Line - 6 ships

Unity Line - 6 ships

Ventouris Ferries - 1 ship

Viking Line - 8 ships

Virtu Ferries - 1 ship

Visemar di Navigazione - 1 ship

Wasa Line - 1 ship

Wightlink - 2 ships