G
- G. A. Tomlinson
- G. Brodin
- G. C. Lord & Co.
- G. D. Tyser & Co.
- G. Gordon
- G. Heyn & Sons
- G. Sutton Charleston Line
- G. T. Gillie & Blair
- G. T. Monsen
- G.T. Redhead & Co.
- G.W. Bowman
- Gaelic Tugboat Co.
- Galbraith, Pembroke & Co.
- Galgate Co., Ltd. (John Joyce & Co.)
- Gamecock Tugs Ltd.
- Gard Shipping A/S
- Gardline Shipping Ltd.
- J. & A. Gardner & Co. Ltd.
- Garland Navegação
- Garrison & Allen (New York and Brazil Mail Line)
- Garware Shipping Corp.
- Gaz Atlantique
- Gazocéan
- GBLT Shipmanagement (UK) Ltd.
- Gearbuck, Ltd
- Gebr. Broere
- Gebr. de Korte
- Geden Line
- Genel Denizcilik Naklyatı A.Ş. (Geden Line)
- Geest Line
- Geest North Sea Line
- Gefion Shipping A/S
- Gellatly, Hankey & Co.
- Gem Line
- GENCHART, Rotterdam
- Genel Denizcilik Naklyatı A.Ş.
- General National Transport Co.
- General Steam Navigation Co. Ltd.
- General Steam Navigation Company of Greece (Greek Line)
- Cia. General de Tabacos de Filipinas
- Geo. Nesbet & Co., Ltd.
- Geo. Nisbet & Co., Ltd.
- Geographic Sailing Club
- George A. Callitsis Succesrs S. A.
- George B. Upton
- George Couper
- George E. Billings
- George Gibson & Co., Ltd.
- George Gordon & Co.
- George Hammond PLC
- George Jaques & Co.
- George Milne and Co. (Inver Line)
- George Warren & Co.
- Geraldton Tug. Co.
- Gerard Management Co. A/S
- de Gerlien-van Tiem
- Gesellschaft für Sport und Technik 1949-1990
- P. T. Perusahaan Pelayaran Samudera Gesuri Lloyd
- Getafix Shipping
- Gibbs & Lee
- Gibson Rankine Line
- W. Gilbert
- Gilchrist, Watt & Sanderson Pty. Ltd.
- J. C. Gilchrist
- Giles W. Pritchard-Gordon (Shipowning) Ltd.
- G. T. Gillie & Blair
- L. Gill-Johannesen A/S (Bulk Handling A/S)
- Gilnavi Line
- Gippsland Steam Navigation Ltd.
- S. Gitcovich & Co.
- Glen Line
- Glenlight Shipping Ltd.
- Glidden & Williams
- Global Marine Systems
- Globe Navigation Co.
- Glover Brothers
- C. T. Gogstad & Company
- Gold Star Line
- Goliath Portland Cement Pty. Ltd.
- Goodhue & Co.
- Goole-Finland Line A/B
- Gordon & Talbot
- G. Gordon
- Goshi Kaisha Suehirogumi
- Gotaas-Larsen Ltd.
- Göteborg - Fredrikshavn linje
- Göteborgs Bogsering AB
- Rederiaktiebolaget Götha
- Gotlandsbolaget (Gotland Ångfartygsaktiebolaget)
- Gotlandsbolaget
- Goulandris Brothers
- Goulandris Brothers
- H. J. Goulandris
- Govan Shipbuilders Ltd.
- Gracechurch Container Line
- W. R. Grace & Co. (Race Line)
- Graig Shipping Co. Ltd.
- Grand Trunk Pacific Coast SS Co., Ltd.
- Grängesbergsbolaget
- Great Eastern Co. (London) Ltd.
- Great Eastern Shipping Co. Ltd.
- Great Lake Feeder Lines
- Great Lakes Group (and Great Lakes Towing Company)
- Great Lakes Transit Corp.
- Great Northern Pacific SS Co.
- Great Northern SS Co.
- Great White Fleet
- Great Yarmouth Shipping Co., Ltd.
- Greek Line (General Steam)
- Greek Line (Ormos)
- Green Blackwall Line
- Green & Co.
- Green, Robinson & Co.
- Green & Wigram
- Grey Funnel Line
- Grimaldi
- Grimsby Steam Fishing Co.
- Grinnell, Minturn & Co.
- Grinnell, Minturn & Co. California Line
- Griswold’s Black X Line
- N. L. & G. Griswold
- Groupe Desgagnés
- Groupement des Armateurs Côtiers Marseillais
- Rederi AB Groveland (J. P. Jönsson)
- Grupo Ultramar
- J. M. Guffey Petroleum Co.
- Guinea Gulf Line Ltd.
- Guinness Co.
- Gulf and South American SS Co.
- Gulf Fleet Marine
- Gulf Line
- Gulf Offshore N. S.
- Gulf Oil Corp.
- Gulf Refining Co.
- Gulfcoast Trading Co.
- Gulfeast Ship Managment Ltd.
- Gunnar Knudsen
- Gustaf B. Thordén
- Rederi A/B Gustaf Erikson
- Gypsum Resources Australia
Anything below
this line was not added by the editor of this page.
