We have so far registered 19,743 shipping companies
| Name | Founded | | Ths. Olsen, Gravningssund, Fredrikshald | |
| Th. Sommerschield, Namsos | |
| Ths. Pedersen, Arendal | |
| Ths. R. Omdahl, Haugesund | |
| Ths. Salvesen`s enke, Mandal | |
| Ths. S. Aschehoug, Fredikshald. | |
| Ths. Schwartz, Fredrikstad | |
| Ths. Seeberg, Drammen | |
| Ths. Sewell, Kristiania | |
| Ths. S. Falck, Stavanger | 1862 |
| Ths. S. Poulsson, Stavanger | |
| Ths. Stang. Fredrikshald / Halden | |
| Ths. Sørensen, Kopervik | |
| Th. Stenslid, Måløy | |
| Ths. Thorstensen m/fl. Stavanger | |
| Ths. Toft jr., Arendal | |
| Ths. Toft jr. & O. C. Olsen, Arendal | |
| Ths. Tostensen, Stavanger | |
| Ths. Turøy, Turøy, Bergen | |
| Th. Tallaksen,Tvedestrand | |
| Th. Terjesen, Kragerø | |
| Th. Thalaksen, Søgne, Kristiansand S | |
| Th. Thomassen, Mandal | |
| Th. Thomassen, Vestfossen | |
| Th. Thomesen, Kragerø | |
