Saarema

Saga Cruises.

Saga Line.

Saga Linjen.

Salamis Lines.

Salén Rederiet.

Sally Line UK.

Samsø Linien.

Samsø Rederi.

Samsøtrafikken.

Sancak Line.

Sandö Sågverks Ab.

Saos Ferries.

Sardinia Ferries.

Saremar.

Saronikos Ferries.

Scandlines.

Scandi Line.

Scandinavian Ferry Lines.

Scanjet Ferries.

Scarlett Line.

Schlepp Und Fährgesellschaft

Sea Containers

Sea Jet.

Seabourn Cruise Line.

SeaEscape.

Seafrance.

Sealink.

Seaspeed

Seatruck Ferries.

Seawind Line.

Sea You Rederiet.

Sem Maritime Co.

Sematur.

Sessan Linjen.

Shetland Islands Council.

Silja Line.

Silversea Cruises.

Siremar.

Skagen Linjen.

Skandinavisk Linjetrafik.

Smyril.

S.N.A.V.

S.N.C.F.

S.N.C.M.

Societé Des Traversiers Du Quebec.

SOL Continent Line

Sol Lines.

Solkustturer.

Southern Ferries.

Southern Railways.

Speed Ferries.

St Peter Line.

Star Cruises.

Star Clipper.

Statens Järnvägars Färjetrafik.

Statens Vägverk.

Stena Cargo.

Stena Line.

Stena RoRo.

Stettiner Dampfschiffs Geselschaft

Stockholms RAB Svea.

Stockholms Skärgårdstrafik Ab.

Stockholms Taxiflotta.

Stockholms Ångfartygs rederi Ab.

Stockholms Ångslups Ab.

Stoomvaart Maatschappij Zeeland N.V.

Strada Blu.

Strait Shipping.

Strintzis Feries.

Strintzis Line.

Strömma kanalbolaget.

Styrsö Nya Trafik Ab

Styrsö Trafik Ab.

Sund-Linien Gefion.

Sund-Linjen.

Sundancer Cruises.

Sundbroen.

Sundsbussarna.

Sundbusserne. (2010).

Superfast Ferries.

Superseacat.

Svenska Amerika Linjen.

Svenska Amerika Mexico Linjen.

Svenska isbrytare.

Svenska Lloyd.

Sverige-Norge Linjen.

Svenska Orientlinjen.

Svenska Ostasiatiska Kompaniet.

Swansea Cork Ferries.

Swedish Gulf Line.

SweFerry.

Sydfynske D/S