Ship Builders
Ha Long Shipbuilding Co.
- Ha Long, Vietnam
Scheepswerf Haak
- Zaandam, Netherlands
Haarlemsche Scheepsbouw Maatschappij
- Haarlem, Netherlands
Habbeke Shipyard
- Volendam, Netherlands
Haedong Shipbuilding Corporation
- Tongyeong, South Korea
J. Hailey Engineering
- London, United Kingdom
Hakodate Dock Co.
- Hakodate, Japan
Alexander Hall and Co.
- Aberdeen, United Kingdom
Hall, Russell & Co.
- Aberdeen, United Kingdom
Halla Engineering & Heavy Industries
- Inchon, South Korea
Halla Heavy Industries
- Samho, South Korea
Halmatic
- Havant and Northam, United Kingdom
Halter Marine
- Chalmette, La, Lockport, La, Moss Point, Ms and New Orleans, La, United States of America
Hanasaki Zosensho
- Yokosuka, Japan
Hancocks Shipbuilding Co.
- Pembroke Dock, United Kingdom
Hanjin Heavy Industries and Construction Philippines
- Subic Bay, Philippines
Hanjin Heavy Industries & Construction Co.
- Busan, South Korea
Hanjin Heavy Industries & Construction Co.
- Ulsan, South Korea
Harding Verft
- Rosendal, Norway
John Harker (Shipyards)
- Knottingley, United Kingdom
Harland & Wolff Shipbuilding & Heavy Industries
- Belfast, United Kingdom
Harland & Wolff
- Govan, United Kingdom
Harland & Wolff
- North Woolwich, United Kingdom
Scheepswerf & Reparatiebedrijf "Harlingen"
- Harlingen, Netherlands
P.K. Harris & Sons
- Appledore, United Kingdom
J. & J. Harrison
- Amble, United Kingdom
Hartman Marine
- Urk, Netherlands
Hashihama Shipbuilding Co.
- Oshima, Saikai and Yoshiumi, Japan
Hashihama Zosen
- Tadotsu, Japan
Hatlø Verksted
- Ulsteinvik, Norway
Haugesund Mekaniske Verksted
- Haugesund, Norway
Haugesunds Slip
- Haugesund, Norway
Chantier Naval de la Haute Seine
- Villeneuve-le-Roi, France
Havyard Leirvik
- Leirvik I Sogn, Norway
Hawthorn, Leslie (Shipbuilders)
- Hebburn, United Kingdom
Hay and Co.
- Lerwick, United Kingdom
Hayashikane Dockyard Co.
- Nagasaki and Shimonoseki, Japan
HDW-Nobiskrug
- Rendsburg, Germany
Scheepswerf Heermans & Zonen
- Hedel, Netherlands
Hellenic Shipyards
- Skaramanga, Greece
Th. Hellesøy Skibsbyggeri
- Løfallstrand, Norway
Helsingør Skibsværft og Maskinbyggeri
- Helsingør, Denmark
Scheepswerf Hendriks
- Dodewaard, Netherlands
John R. Hepworth & Co.
- Paull, United Kingdom
Herd & Mackenzie
- Buckie, United Kingdom
Higgins Industries
- New Orleans, La, United States of America
Charles Hill & Sons
- Bristol, United Kingdom
Hindustan Shipyard
- Visakhapatnam, India
J. Hinks & Co.
- Appledore, United Kingdom
Hitachi Zosen
- Sakai, Innoshima, Kanagawa, Mukaishima, Maizuru and Nagasu, Japan