 | Safety Management Overseas S.A., Athens | |
 | Safmarine Container Lines N.V., Antwerpen | |
 | Saga Cruises Ltd., Folkstone | |
 | Saga Forest Carriers AS, Nøtterøy | |
 | Saga Tankers ASA, Oslo | |
 | Reederei Salge GmbH & Co.KG, Brake | |
 | Sallaum Lines DMCC, Dubai | |
 | Shipping Asset Management S.A., Geneva | |
 | Samco Shipholding Pte.Ltd., Singapore | |
 | Samin Shipping Co.Ltd., Tartous | |
 | Samos Steamship Co., Athens | |
 | Samskip hf, Reykjavik | |
 | Samsun Logix Corp., Seoul | |
 | Sanko Line Co.Ltd., Tokyo | |
 | Sansho Kaiun Co.Ltd., Tokyo | |
 | Santoku Senpaku Co.Ltd., Osaka | |
 | SapuraKencana Petroleum Bhd., Kuala Lumpur | |
 | Saudi Arabian Oil Company, Dharhan | |
 | Svenska Cellulosa Aktiebolaget SCA, Stockholm | |
 | Scandlines Deutschland GmbH, Hamburg | |
 | H. Schepers Bereederungs GmbH & Co.KG, Elsfleth | |
 | HS Berrederungs GmbH & Co.KG, Haren/Ems | |
 | Schepers Bereederung GmbH & Co.KG, Haren/Ems | |
 | Reederei Rudolf Schepers GmbH & Co.KG, Haren/Ems | |
 | Reederei Rudolf Schepers GmbH & Co.KG, Bad Zwischenahn | |
 | Reederei Thekla Schepers GmbH & Co.KG, Haren/Ems | |
 | Reederei Thekla Schepers GmbH & Co.KG, Haren/Ems | |
 | Reederei Karl Schlüter GmbH & Co.KG, Rendsburg | |
 | Reederei Jens-Peter Schlüter GmbH & Co.KG, Rendsburg | |
 | Schöning Bereederungsgesellschaft mbH & Co.KG, Haren/Ems | |
 | Hans Schramm & Sohn GmbH & Co.KG, Brunsbüttel | |
 | Norddeutsche Reederei H. Schuldt GmbH & Co.KG, Hamburg | |
 | Schulte & Bruns GmbH & Co.KG, Papenburg | |
 | Bernhard Schulte GmbH & Co.KG, Hamburg | |
 | Reederei Thomas Schulte GmbH & Co.KG, Hamburg | |
 | Swiss Cargo Line AG, Bern | |
 | Scorpio Shipmanagement S.A.M., Monaco | |
 | Scorpio Shipmanagement S.A.M., Monaco | |
 | Scotline Ltd., Romford | |
 | Scotline Ltd., Romford | |
 | Sea Justice S.A., Athens | |
 | Sea Tank Chartering AS, Bergen | |
 | Sea World Management S.A.M., Monaco | |
 | Seaarland Shipping Management B.V., Amsterdam | |
 | Seabourn Cruise Line Ltd., Seattle | |
 | Sea-Cargo Skips AS, Paradis | |
 | Seachange Maritime Pte.Ltd., Singapore | |
 | Seadrill Ltd., London | |
 | Seago Lines A/S, Copenhagen | |
 | Sealion Shipping Ltd., Farnham | |
 | Seaspan Shipmanagement Ltd., Vancouver | |
 | Seatrade Groningen B.V., Groningen | |
 | Seatrade Services OÜ, Tallinn | |
 | Seatrans AS, Paradis | |
 | Seavoss Schiffahrt GmbH & Co.KG, Elmshorn | |
 | Seaway Heavy Lifting B.V., Zoetemeer | |
 | Seazip Offshore Service B.V., Harlingen | |
 | Sedna Towage & Offshore Lda, Funchal | |
 | Sener Shipping A.S., Istanbul | |
 | Setramar Naviera S.A., Panama | |
 | Seychelles Petroleum Ltd., Victoria | |
 | Shih Wei Navigation Co.Ltd., Taipei | |
 | Ship Finance International Ltd., Hamilton | |
 | Shipcraft ApS, Hørsholm | |
 | Shipping Company of India Pvt.Ltd., Mumbai | |
 | Reederei Bernd Sibum GmbH & Co.KG, Haren/Ems | |
 | PJSC Sibur Holding, Moscow | |
 | Siem Offshore AS, Kristiansand | |
 | Siland Shipping Company, Tallinn | |
 | Silver Sea AS, Bergen | |
 | Silversea Cruises Inc., Fort Lauderdale | |
 | Rederiet M.H. Simonsen ApS, Svendborg | |
 | Sincere Navigation Corp., Taipeh | |
 | Single Shipping LLC, Istanbul | |
 | Sinokor Merchant Marine Co.Ltd., Seoul | |
 | Sinotrans Shipmanagement Ltd., Hong Kong | |
 | Sirius Shipping AB, Donsø | |
 | Siva Ships International Pte.Ltd., Singapore | |
 | SKS OBO and Tankers AS, Bergen | |
 | Sloman Neptun Schiffahrts Aktiengesellschaft, Bremen | |
 | Smit Harbour Towage B.V., Rotterdam | |
 | Societa Navali Unite Genova S.r.l., Milano | |
 | Socatra S.A., Bordeaux | |
 | Södra Shipping AB, Växjö | |
 | Soloi Inc., Athens | |
 | Solstad Shipping AS, Skudeneshavn | |
 | Solvang ASA, Stavanger | |
 | Sonatrach, Algier | |
 | Sonay Shipping Ltd., Istanbul | |
 | OAO Sovcomflot, Moscow | |
 | OAO Sovcomflot, Moscow | |
 | Spar Shipping AS, Kokstad | |
 | Spliethoff's B.V., Amsterdam | |
 | Split Shipmanagement Ltd., Split | |
 | Splosna Plovba Ltd., Portoroz | |
 | SRAB Shipping AB, Stockholm | |
 | Stadt Sjøtransport AS, Svelgen | |
 | Stalwart Management Ltd., Athens | |
 | Star Maritime Pte.Ltd., Singapore | |
 | Star Reefer S.p.z.o.o., Gdynia | |
 | Star Shipping AS, Bergen | |
 | Stealthgas Inc., Kifisia | |
 | Steel Shipping LLC, Hellerup | |
 | Stemat B.V., Rotterdam | |
 | Stena Bulk Shipping AB, Gothenburg | |
 | Rederiet Stenersen AS, Bergen | |
 | Hugo Stinnes Linien GmbH, Rostock | |
 | Stoctank AB, Stockholm | |
 | Stolt Tankers B.V., Rotterdam | |
 | Reederei Erwin Strahlmann GmbH & Co.KG, Brunsbüttel | |
 | STX Pan Ocean Co.Ltd., Seoul | |
 | Flota Suardiaz S.A., Madrid | |
 | Subsea 7 Vessel Management Group AS, Grimstad | |
 | Suek AG, St. Gallen | |
 | Suisse-Atlantique Société de Navigation Maritime S.A., Renens | |
 | Sun Enterprises Ltd., Piraeus | |
 | Reederei M. Lauterjung GmbH & Co.KG (Sunship), Emden | |
 | Svendborg Bugser A/S, Svendborg | |
 | Svitzer Europe Holding B.V., IJmuiden | |
 | Swan Container Line GmbH & Co.KG, Hamburg | |
 | Swedish Bulk AB, Göteborg | |
 | Swedia Rederi AB, Donsø | |
 | Swiber Holdings Ltd., Singapore |