We have so far registered 19,566 shipping companies
| Name | Founded | | 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 m. fl., 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 President Lines Ltd. | |
| American Republies Corp, Wilmington, Del. | |
| American South African Line Inc, New York, USA | |
| American Sugar Refining Co., New York, USA | |
| American Sugar Transit Vorp. New York, NY. USA | |
| American Trading & Production Corp. | |
| American West African Line Inc, New York | |
| A. M. Fladmark, Kristiania | |
| A. M. Flørnæs, Arendal | |
| A. M. Fugleberg, Ålesund | |
