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| Navn | | Alexander Stephen & Sons. Ltd., Glasgow. |
| Alex Robertson & Sons. Ltd. Sandbank, Scotland. |
| Alfa Marine A/S, Høylandsbygd |
| Alfred Bernhardsen, Saltdal |
| Alfred Hagelstein, Lübeck |
| Alfred & Jens Nilsen, Borhaug |
| A.Lindgren,Sado, Finland |
| Alloa |
| Alna, Maine, USA |
| A. Loomer, Parrsboro`, Nova Scotia, Canada |
| Altona, Tyskland |
| Aluship Technology Sp.z.oo., Gdansk, Polen |
| A. Marshall, Bear River, Nova Scotia, Canada |
| A. McDougall, Maitland, NB. Canada |
| A. McDougall, Maitland, Nova Scotia |
| A.McMillan & Sons, Dumbarton, Skottland |
| Amels B.V., Makkum |
| American International Ship Building Corp. Hog Island, PA. USA |
| American Shipbuilding Co., Cleveland, OH, USA |
| American Ship.Building.Co., Lorain, OH, USA |
| American Shipbuilding Co., Superior, WI, USA |
| American Shipyard Corp., Buffalo, NY, USA |
| Ames Shipbuilding & Dry Dock. Co. Seattle, WA, USA |
| A. M. Liaaen A/S, Ålesund |
| A. M. Liaaen Skipsverft & Mek. Verksted, Ålesund |
