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| Navn | | Atlantic Corp. Portsmouth, NH. USA |
| Atlas Werke A.G. Bremen, Tyskland |
| Atl. & Ch. de Havre, Le Havre |
| Atliers et Chantiers de Bretagne, Nantes, Frankrike |
| ATVT Sudnobudivnyl Zavod,Kerch |
| A. Tønnesen. Vatne |
| August Esche, Flekkefjord |
| Aukra Bruk A/S, Aukra |
| Aukra Industrier A/S, Aukra |
| Aure, Nordmøre |
| Austin & Hunter, Sunderland, UK |
| Austin & Mills, Sunderland, UK |
| Austin & Pickersgill Ltd., Sunderland, UK |
| Australia |
| Austral Ships Pty. Ltd., Henderson |
| Avondale, LA, USA |
| Avondale Marine Ways, Westwego, USA |
| Avondale, Nova Scotia, Canada |
| Avondale Shipyards Inc., Avondale, LA, USA |
| A. Vuijk, Capelle aaan den IJssel, Nederland |
| A. Vuijk & Zonen,Capelle an den Ijssel, Holland |
| A.Vuijk & Zonen Scheepswerf, Capelle, Nederland |
| A. Wilton van Reede Czn., Papendrecht, Nederland |
| A. Work & Sohn, Esbjerg, Danmark |
| Ayrshire Dockyard & Co. Ltd. Irvine, UK |
