A
- A. A. Low & Bro.
- A/B Helsingfors Steamship Co., Ltd. O/Y Henry Nielsen A/B
- A. Bilbrough & Co. Ltd
- A. E. Sørensen
- A. F. Henry & MacGregor
- A. F. Klaveness & Co
- A. Foster & Sons Rio de Janeiro Line
- A. G. Papadakis
- A. G. Pappadakis & Co., Ltd.
- A. H. Bull Line
- A. J. Gonçalves de Moraes, Lda.
- A. J. Morland
- A. Kirsten
- A. N Petersen A/S
- A. O. Lindvig
- A. P. Møller (Maersk Line)
- A. P. Møller / Maersk Line
- A. R. Appelqvist A/B
- A/S Bukserbater
- A/S Deep Sea Shipping
- A/S Det Compagnie Oversöiske
- A/S Det Dansk-Franske D/S
- A/S EM. Z. Svitzer
- A/S Haanes Rederi
- A/S Havtor
- A/S Mosvolds Rederei
- A. S. Vagliano
- A. Schjeldrup
- A. Zarega & Co
- E. B. Aaby
- Aagaard & Heitmann
- Aalborg Portland A/S
- AB A. K. Fernström Granitindustrier
- AB Kungsoil
- AB Maritime
- AB Svenska Amerika Mexiko Linien
- Aberdeen and Commonwealth Line
- Aberdeen Coal & Shipping Co., Ltd.
- Aberdeen, Newcastle & Hull Steam Co
- Aberdeen Steam Navigation Co.
- Abermain Seaham Colleries Ltd
- Abitibi Paper Co., Ltd., & Price Paper Co.
- Rederi. Actie Concordia
- Actien Ges. 'Atlantic'
- Acties, Dampk, Atalanta (M. Nissen)
- ACZ Marine Contractors
- Adam Steamship Co.
- Adelaide Brighton Cement Co.
- Adelaide S.S. Co. Ltd.
- Adelaide Steamship Co.
- Adelphi Vergottis
- Adler Linie
- Adler-Schiffe
- Admiral Line
- Admiral Towing and Barge Company
- Adolf Bratt & Co.
- Adolph Andersens
- Adriaan Kooren
- Adriatica di Navigazione
- Bevrachtingskantoor Gebr. Aerts
- Africa - East Asia Line (Afea)
- Compagnie Maritime d’Affrêtement
- Afos Line
- Africa - East Asia Line
- African American Flag House flag
- Empresa Insulana de Navegação (African Line)
- Afrika Linie
- Agence Maritime Calvi
- Agencia Marítima Portillo S. A.
- Compañía Mexicana de Petróleo “El Águila”
- Ahern Shipping Ltd.
- Ahlers B.V.
- Ahlmann Schifffahrt
- B. F. Ahlmark & Co., A/B (Ahlmark Lines)
- Ahrenkiel and Clausen
- AIDA Cruises
- Aitken, Lilburn & Co. (Loch Line)
- Akademie der Wissenschaften (-1989)
- Akita Kisen K. K.
- Aktiebolaget Finska Skoldkeppsrederiet
- Aktiengesellschaft Reederei Norden Frisia
- Aktieselskabet Borgestad ASA
- Alan C. Bennett & Partners
- Alaska Department of Transportation
- Alaska Pacific Steamship Co.
- Alaska Packers Association
- Alaska SS Co
- Alaska Transportation Co.
- Alba Reederei
- Albano de Oliveira Sucessor, Lda
- Albrecht & Co.
- Alcoa of Australia Inc.
- Alcoa SS Co
- Ald Shipping Co.
- F. Alexander
- Alexandra Towing
- Förderverein Salondampfer Alexandra e.V.
- Alexandre Line (New York & Mexican Mail Line)
- Alf. Monsen
- Rederi Alfons Hakans
- Alfred Bannister
- Alfred Holt & Co. (Blue Funnel Line)
- Algoma Central Marine
- Algot Johansson
- Aliança, Empresa de Navegação
- Aliança, Empresa de Navegação (Aliança)
- All America Cables & Radio
- Allan, Black & Co.
- Allan Line
- Allantone Supplies Ltd.
- Allchorn Pleasure Boats
- Allen Taylor & Co. Ltd.
- Alliance & Dublin Consumers’ Gas
- Allied Towing Corp.
- Allships - Agência de Navegação, Lda.
- Alpha Reefer Transport
- Alpha Shipping Agency
- Alsace-Croisières Croisi-Europe
- Alsop & Co.
- Alster Bereederungsgesellschaft
- Alstership
- Alstertouristik
- Altaras, Caune & Cie
- Amagasaki-Isaburo (1916)
- Amazon Lines, Ltda.
- Companhia de Navegação da Amazônia
- ENASA (Amazônia)
- Naviera Amazónica Peruana S. A.
- Amber Bay Shipping Ltd.
- Amer Shipping
- American-Asiatic Steamship Co.
- American Banner Lines
- American Coal Shipping
- American & Cuban Steamship Line
- American Export Isbrandtsen
- American Export Lines
- American-Hawaiian SS Co.
- American Independence Line
- American Line
- American Steamship Co. (American Line)
- American Mail SS Co
- American Merchant Line
- American Overseas Marine Corp.
- American Pacific Line
- American Pioneer Lines
- American President Lines
- American Roll-On Roll-Off Carrier ARC
- American Scantic Line
- American Shipping and Commercial Corp. (United American Lines)
- American SS Co
- American Star Line
- American Steamship Co. (American Line)
- American Trading & Production Corp
- American Union Transport
- American West African Line
- Amisia
- Amoco Corporation
- Ampol Ltd
- N. V. Reederij Amsterdam
- Amsterdamse Ballast
- Амурское государственное речное пароходство | Amurskoe gosudarstvennoe reĉnoe paroqodstvo
- Anchor Line
- Anchor Line
- Anchor Steam Tug Co.
- Anders Smith
- Anders Utkilens Rederi A/S
- K. Andersen & Co
- Andr. Olsen
- Andreadis (U. K.)
- Andres Jahre
- Andrew Weir Shipping Co. Ltd.
- Andrew Weir Shipping Co. Ltd.
- Andros Shipping Comp. Ltd
- Ångbåts AB Bohuslänska kusten
- Ångbåts AB Kalmarsund
- Ångf. A/B Bore
- Ångf. A/B Tirfing
- Ångfartygs AB Heimdal
- Ångfartygs Aktiebolaget Karun
- Ångfartygs Thule
- Anglo American Telegraph Ltd.
- Anglo-Eastern Ship Management Ltd
- Anglo Saxon Petroleum Co. Ltd.
- Anker Schifffahrtsgesellschaft
- Ann Arbor Railroad Company
- Antlanttrafik
- Anton von der Lippe
- Antti Wihuri
- Antwerp Bulk Carriers N.V.
- Anytime Chartering
- C. Apenes
- APL, Inc.
- Apollo Shipping
- A. R. Appelqvist A/B
- Appleyard Lincoln & Co (Boatbuilders) Ltd.
- Aquachart
- ARC Marine Ltd.
- Archo. Currie and Co.
- ARCO Marine Inc. (Atlantic Richfield Oil Co.)
- Arctic Transportation Ltd.
- Argo
- Argo
- Argo Mann Ferry Service
- Argonaut
- Argonaut Line
- N&T Argonaut
- Arimura Sangyo K.K.
- Arklow Shipping Ltd.
- Arkon
- Armada Shipping A/S
- Naviera Armas
- Armement Deppe
- Armement Dominique Bordes & Fils
- Armement E. Derrieu
- Armement Maritime M. Sarich
- Armement Nord-Africain Cherfils
- Armement Regad et Cie
- Société Anonyme d'Armement, d'Industrie et de Commerce
- Compagnie Armoricaine de Transports Maritimes
- Société Louis Arnaud, Touache Frères & Cie
- Arne Blystad
- Arnold de Champs
- Mems Rederi AB (Arnold du Rietz)
- Arnulf L’Orsa A/S
- Arthur Sewall & Company
- Artus Danziger Reederei
- Asahi Kaiun K. K.
- Asahi Kisen K. K.
- Asia-Australia Express Service
- Asiatic Steam Navigation Co.
- Asköy-Bergen Rutelaget A/S
- Assen Reederei
- Associated British Ports
- Associated Bulk Carriers
- Associated Humber Line
- Associated Portland Cement Manufactures Ltd.
- Associated Steamships Pty Ltd
- Associated Transport Co.
- Aster Steam Company
- Asterix Shipping
- Astromare Bereederung - Jens & Nagel
- Athel Line
- Atlanti Cargo Services, A/B
- Atlantic (Donaldson) Line
- Atlantic and Caribbean Steam Navigation Co. (Red D Line)
- Atlantic Container Line, Ltd.
- Atlantic Marine
- Atlantic Ocean Transport Co.
- Atlantic Reederei R & W Joch
- Atlantic Richfield Oil Co. (ARCO Marine Inc.)
- Atlantic Steamship Co. Ltd.
- Atlantic Tank Rhederei GmbH
- Atlantic Transport Co of West Virginia
- Atlantska Plovidba Dubrovnik
- Atlas Ship
- Attilio Milesi, Fu Pietro
- Auerbach Schifffahrt Gmbh & Co. KG
- August Leffler & Son
- Austasia Line Pte Ltd.
- Austocean Pty Ltd
- Austral Asia Line
- Austral-China Navigation Co. Ltd.
- Australasian Steam Navigation Co.
- Australasian United Steam Navigation Co.
- Australasian United Steam Navigation Company
- Australia Department of Transportation
- Australia-South America Line
- Australian Coastal Shipping Commission/Australian National Line
- Australian Coastal Shipping Commission/Australian National Line
- Australian National Line
- Australian Offshore Services
- Australian-Oriental Line Ltd.
- Australian Pacific Shipping Pty. Ltd.
- Australian Tankships Pty. Ltd
- Australind Steam Shipping Co.
- Avenue Shipping
- Awaji Ferryboats K. K.
- Awanokuni Kyodo Kisen K. K.
- Axel Axelson Johnson
- Aymar & Co.
Anything below
this line was not added by the editor of this page.
