We have so far registered 19,566 shipping companies
| Name | Founded | | A. C. Riise, Hareid, Ålesund | |
| A. C. Sundberg, Sandefjord | |
| A. C. Søberg, Brevik | |
| A.C. Thomassen, Kristiansand S | |
| Actieselskab Tronda v/ Capt. T. F. Andersen, Mandal. | |
| Actieselskapet Magnum, Tvedestrand | |
| Actif Management A/S, Førde | |
| Actinor Bulk A/S, Oslo | |
| Actinor Shipping A/S, Oslo | |
| Actinor Short Sea II A/S, Bergen | |
| Active Warrior A/S, Ålesund | |
| Activ Shipping A/S, Oslo | |
| Activ Ships Management A/S, Kristiansand | |
| A. Daae, Kragerø | |
| Adam Baastad, Halden | |
| Adam Steam Fishing Co. Ltd. (Basil A. Parkes) Fleetwood,U.K. | |
| A. Dedekam, Mandal | |
| Adelante Fishing Comp. A/S, Bokn | |
| A. D. Fürst, Arendal | |
| A. D. Furst, Arendal | |
| A. D. Geelmuyden, Arendal | |
| A.D. Geelmyden, Arendal | |
| Ad. Halstensen, Drammen | |
| A. Didriksen, Farsund | |
| Admiral Shipping Co. Ltd. v/ Glenn & Co. Ltd. | |
