We have so far registered 4,561 shipyards
| Name | | Nils Liaaen, Ysteneset, Ålesund |
| Nils Olsen Gjølme, Fjære, Grimstad |
| Nils Olsen Gjømle, Grimstad |
| Nils Osmundsen, Fjære, Grimstad |
| Nils Syvertsen, Øvreverftet, Kristiansand |
| Nipponkai Heavy Industries Co. Ltd. Toyama, Japan |
| Nippon Kokan Kabushiki Kaisha, Shimizu, Japan |
| Nippon Kokan Kabushiki Kaisha, Tsu, Japan |
| Nippon Kokan Kabushiki Kaisha, Tsurumi Shipyard, Yokohama, Japan |
| Nippon Kokan Kabushiki Kaisha, Yokohama, Japan |
| Nishi Zosen K.K., Imabari, Japan |
| Nitchitsu Industri, Matsuura, Japan |
| N. J. Klevstrand’s Verft, Kleivestrandbukten, Porsgrund |
| N.K. Bolsønæs, Kirksæterøren |
| NKK Corp, Tsu, Japan |
| N.L. Thompson, Kennebunk, Maine, USA |
| N. Mosher, Avondale, Newport, Nova Scotia |
| N. Mosker, Avondale, Nova Scotia, Canada |
| N. Nielsen, Skien |
| Noank, Connecticut, USA |
| N. Odero & Co., Genova |
| N. Odero Fu Aless & C, Sestri Ponente, Genova, Italia |
| N.O. Gjømle, Fjære, Grimstad |
| N. Olsen, Arendal |
| N. Olsen, Skien |
