Vi har så langt registrert 19 632 rederier
| Navn | Grunnlagt | | Theis Tønnesen, Farsund | |
| The Kellner Parkington Paper Pulp Co.Ltd.,Sarpsborg | |
| Thelita Shipping A/S, Kristiansund N | |
| T. Hellesøe, Bergen | |
| Th. Elmenhorst, Arendal | |
| The Mayor, Aldermen & Councillors of the Metropolitan Brough of Fullham v/ Stephenson, Clarke Ltd. | |
| The North Atlantic Canning Co A/S, Trondheim | |
| The North Sea Trading Co., Kristiania | |
| T. Henrichsen, Arendal | |
| Theodor Briseid, Feda | |
| Theodor Briseid & Peder Bøgvald, Feda, Flekkefjord | |
| Theodor Broch, Oslo | |
| Theodor E. Halvorsen, Tvedestrand | |
| Theodor Hansen, Haugesund | |
| Theodor Iversen m/ fl, Monsøya / Kristiansand | |
| Theodor & Johan Borhaug, Lista | |
| Theodor Jørgensen, Vespestad, Lillesand | |
| Theodor Kaaveland, Farsund | |
| Theodor Knudsen, Lyngdal | |
| Theodor Larsen, Korshavn | |
| Theodor Moe, Fredrikstad | |
| Theodor Moe, Trondheim | |
| Theodor Olsen, Borhaug | |
| Theodor & Samuel Tønnesen, Borhaug | |
| Theodor Schive, Grimstad | 1893 |
