Ship Builders
Chantiers de la Garonne
- Bordeaux, France
John Gaff and Sons
- Girvan, United Kingdom
Santierul Naval Galatz
- Galati, Romania
Stocznia Gdanska im. Lenina
- Gdansk, Poland
Stocznia Gdynia
- Gdynia, Poland
Gemini Catamaran Workboats
- Colchester, United Kingdom
Gemsan Gemi ve Gemi Isletmeciligi Sanayi ve Ticaret
- Tuzla, Istanbul, Turkey
Gemyat Shipyard
- Tuzla, Istanbul, Turkey
General Dynamics Shipbuilding
- Quincy, Ma, United States of America
Germania-Werft
- Kiel, Germany
Gerrard Brothers Boatbuilders
- Arbroath, United Kingdom
A. W. Gibbs
- Galmpton, United Kingdom
Van der Giessen-de Noord
- Alblasserdam and Krimpen a/d IJssel, Netherlands
Astilleros Naval Gijon
- Gijon, Spain
Gill & Sons
- Rochester, United Kingdom
Gisan Gemi Insa Sanayi ve Ticaret
- Tuzla, Istanbul, Turkey
Santierul Naval Giurgiu
- Giurgiu, Romania
Chantier Naval Glehen
- Le Guilvinec, France
Glommens Mekaniske Verksted
- Fredrikstad, Norway
Gölcük Donanma Tersanesi
- Gölcük, Turkey
Astilleros Gondan
- Castropol, Spain
Goodchild Marine
- Great Yarmouth, United Kingdom
Tony Goodhall
- Sandsend, United Kingdom
Goole Shipbuilding & Repairing Co.
- Goole, United Kingdom
Van Goor's Scheepswerf en Machinefabriek
- Monnickendam, Netherlands
Götaverken Arendal
- Göteborg, Sweden
Götaverken Finnboda
- Stockholm, Sweden
Götaverken Öresundsvarvet
- Landskrona, Sweden
Götaverken Sölvesborg
- Sölvesborg, Sweden
Govan Shipbuilders
- Govan, United Kingdom
Gravdal Skipsbyggeri
- Rosendal, Norway
Scheepswerf "Grave"
- Grave, Netherlands
William Gray & Co.
- West Hartlepool, United Kingdom
Great Lakes Engineering Works
- Ecorse, Mi, United States of America
Gregson & Co.
- Blyth, United Kingdom
Grenå Skibsværft
- Grenå, Denmark
Scheepswerf de Groot & van Vliet
- Slikkerveer, Netherlands
Groves & Guttridge
- Cowes, IOW, United Kingdom
Heinrich Grube Schiffswerft
- Hamburg, Germany
Guangzhou Shipyard International
- Guangzhou, China
Guangzhou Wenchong Shipyard
- Guangzhou, China
Gulfport Shipbuilding Company
- Port Arthur, Tx, United States of America
Werf Gusto
- Schiedam and Slikkerveer, Netherlands
Gutehoffnungshütte Sterkrade
- Walsum, Germany
George Prior Engineering
- Great Yarmouth, United Kingdom