We have so far registered 19,744 shipping companies
| Name | Founded | | Alvin L. Honningsvåg, Stadlandet | |
| Alv Nepstad, Bergen | |
| Alvær,Peder,Bergen | |
| Alværsund & Manger Dampskibsselskab, Bergen | |
| Alvøens Papirfabrik, Alvøen, Bergen | |
| A. L. Wetlesen, Fredrikstad | |
| Amanda J. Andersen, Svelvik | |
| A. M. Andersen, Arendal | |
| A. M. Andersen & J. Jacobsen, Tønsberg | |
| Amandus Hansen, Bodø | |
| A. Marcussens Enke, Risør | |
| A. M. Arentsen, Tvedestrand | |
| A. M. Arentzen, Tvedestrand | |
| Amber A/S, Rissa, Trondheim | |
| A. M. Berentsen, Kristiania | |
| Ambra Management A/S, Sandefjord | |
| Ambrose, Davies & Matthews Ltd) London | |
| A. M. Dietrichs, Fredrikstad | |
| A. Meling, Stavanger | |
| Ameln & Co. A/S, Bergen | |
| American Export Lines Inc, New York, USA | |
| American Foregin Steam Ship Corp. | |
| American Hawaiians Steam Ship, Co. | |
| American Line, Philadelphia, PA, USA | |
| American Mail S.S. Co., Perth, Amboy, New Jersey, USA | |
