We have so far registered 19,744 shipping companies
| Name | Founded | | A. M. Thorsen, Tvedestrand | |
| A. M. & T. M. Wiel, Fredrikshald / Halden | |
| Amton Jacobsen, m/fl. Tromsø | |
| Amulaks A/S, Havøysund | |
| Amund Aslakson,Songe. | |
| Amund .L. Wetlesen, Sartpsborg/Fredrikstad | |
| Amund Olsen, Bruvig. | |
| Amundsen,A.& C., Sarpsborg | |
| Amundsen, Otto, Sarpsborg | |
| Amund Tønnesen, Egersund | |
| Amundøy Invest A/S, Frei | |
| A. M. Wiel, Fredrikshald / Halden | |
| A. M. Wiel & Ths. Stang, Fredrikshald / Halden | |
| A. N. Andersen, Lillesand | |
| Ananias Dekke, Bergen | |
| Anchorage Ferrying Service Ltd. Barrow, GB | |
| Anchor Line Ltd., Glasgow | |
| Anchor Shipping & Foundry Co.Ltd., Nelson, New Zealand | |
| A. N. Christensen, Kristiania | |
| And. Behrens, Bergen | |
| And. Biering Olsen, Tvedestrand | |
| And. Bing & Co. Fredrikstad | |
| And. Bruun, Fredrikstad | |
| And. & Chr. Ellefsen, Fredrikstad | |
| And. Christensen, Drammen | |
