We have so far registered 19,566 shipping companies
| Name | Founded | | The Texas Company (Norway) A/S, Oslo | |
| The Texas Company, USA | |
| The Union Whaling CO, Ltd.,Durban,Sør Afrika | |
| Thevik, Johan, Hellandsjøen | |
| The Walton Shipping Co. Ltd. v/ Stephens, Sutton. | |
| T. Heyerdahl, Kristiania | |
| Th. Fearnley, Kristiania | |
| Th. F. Fekete & Co, Tønsberg / Oslo | |
| Th. Gjesdal, Bergen | |
| Th. Grenager, Halden | |
| Th. Haagaas, Fredrikshald | |
| Th. Hansen, Vanse, Farsund | |
| Th. H. Hansen, Arendal | |
| Th. & H. P. Petersen, Fredrikshald | |
| Thiis & Co,J. og N.A.Andresen & Co.,Fr.stad | |
| Thiis & Hansen, Fredrikstad | |
| Th. Jacobsen & Co,A/S, Sarpsborg | |
| Th. Jacobsen Management A/S, Oslo | |
| Th. Jacobsen, Sarpsborg | |
| Th. Jensen, Kragerø | |
| Th. Joh. Kyvik, Haugesund | |
| Th. Joh. Kyvik & Trygve Klovning, Haugesund | |
| Th. Kildahl, Tønsberg | |
| Th. Kjørbeck, Bøle, Gjerpen, Skien | |
| Th. Knudsen, Arendal | |
