Vulkan shipyard
Vulkan-Werft stands for:
- Bremer Vulkan , large shipyard in Vegesack, 1893–1996
- AG Vulcan Stettin , Stettiner Maschinenbau Actien-Gesellschaft Vulcan , 1857–1926
- Vulkanwerft (Hamburg) , AG Vulcan Hamburg, subsidiary of AG Vulcan Stettin in Hamburg, 1905–1926, spelling from 1913 "Vulkan"
- Vulkan Werft , still existing boatyard in Werder (Havel)