Ship Builders
VEB Warnowwerft
- Warnemünde, Germany
Warbreck Engineering Services
- Bromborough, United Kingdom
Wärtsilä
- Helsinki , Finland
Wärtsilä
- Turku, Finland
Watanabe Zosen
- Hakata, Japan
Watercraft Marine
- Shoreham-by-Sea, United Kingdom
J.S. Watson
- Gainsborough, United Kingdom
John Watt & Sons
- Banff, United Kingdom
William Weatherhead & Sons
- Cockenzie, United Kingdom
"Welgelegen" Scheepswerf & Machinefabriek
- Harlingen and Zoutkamp, Netherlands
Scheepswerf Gebroeders van der Werf
- Deest, Netherlands
Werftunion
- Emden, Germany
AG "Weser"
- Bremen, Germany
West Contracting
- Ølensvåg, Norway
West Sea Shipyard
- Viana do Castelo, Portugal
Scheepswerven West-Vlaamse
- Oostkamp, Belgium
Westamarin
- Mandal, Norway
Westermoen Båtbyggeri
- Mandal, Norway
Westermoen Hydrofoil
- Mandal, Norway
Western Baltija Shipbuilding
- Klaipėda, Lithuania
White Horse Ferries
- Gravesend, United Kingdom
J. Samuel White & Co.
- Cowes, IOW, United Kingdom
White's Shipyard
- Southampton, United Kingdom
Wight Shipyard Co.
- East Cowes, IOW, United Kingdom
Willemsoord Rijkswerf
- Willemsoord, Netherlands
Dok- en Werf Maatschappij Wilton-Fijenoord
- Schiedam, Netherlands
Gebroeders van der Windt
- Vlaardingen, Netherlands
Stocznia Wisla
- Gdansk, Poland
Dok en Scheepsbouw Woudsend
- Woudsend, Netherlands
Wroclawska Stocznia Rzeczna
- Wroclaw, Poland
Wuchang Shipyard
- Wuhan, Hubei, China
Wuhu Shipyard
- Wuhu, Anhui, China