We have so far registered 4,559 shipyards
| Name | | Tønnes Jacobsen, Vatne, Lista |
| Tønsberg |
| Uchida S.B. & Eng.Co.Ltd., Yokohama |
| Uckermunde, Tyskland |
| Uddevalla, Sverige |
| Uddevallavarvet AB, Uddevalla, Sverige |
| UDL Shipbuilding (Singapore) Pte. Ltd., Singapore |
| Uglands Verft, Grimstad |
| UIE at the Clydebank, Scotland Shipyard, UK |
| Ujina Zosensho, Hiroshima, Japan |
| Ukjent |
| Ukjent verft Clyde, Skottland |
| Ulefoss pr. Skien |
| Uleåborg, Finland |
| Uljanik Ship Yard, Pula, Jugoslavia |
| Ulstein Hatlø A/S, Ulsteinvik |
| Ulstein Kleven A/S, Ulsteinvik |
| Ulstein Mek. Verksted A/S, Ulsteinvik |
| Ulstein Smedvik A/S, Tjørvåg |
| Ulstein Verft A/S, Ulsteinvik |
| Ulvan Ship A/S, Sandstad |
| Umoe Mandal A/S, Mandal |
| UMOE Sterkoder A/S, Kr.sund N |
| Umo Gemi Sanayi Ve Ticaret Ltd. Sti., Ergeli, Tyrkia |
| Union Giesserei A/G., Köningsberg, Tyskland |
