Vi har så langt registrert 4 539 verft
| Navn | | Imamura Zosen, Kure,Japan |
| Incat Australia Pty. Ltd., Hobart, Tasmania, Australia |
| Industrie Navali Meccaniche Affini, La Spezia, Italia |
| Ingalls Ship Building Corp. Decatur, Alabama, USA |
| Ingalls Ship Building, Corp. Pascagoula, Miss. USA |
| International Ship Building Coreporation, Pascagoula, Miss. USA |
| I. Pimblott Weaver S.Y., Northwich, UK |
| Ira S. Bushey & Sons Inc., Brooklyn, NY, USA |
| Irvine S.B. & D.D. Co., West Hartlepool, UK |
| Irvine Ship Building & Engine Co. Ltd., Irvine, UK |
| Isak Lamos Båtbyggeri, Tomrefjord |
| I. Sanderson, Princeport, Nova Scotia, Canada |
| Ishikawajima do Brasil Est.SA, Rio de Janeiro |
| Ishikawajima Harima Heavy Ind., Chita, Japan |
| Ishikawajima Harima Heavy Ind. Co. Ltd., Aioi, Japan |
| Ishikawajima - Harima Heavy Industries Co. Ltd., Kure, Japan |
| Ishikawajima Harima Heavy Industries Co. Ltd., Nagoya, Japan |
| Ishikawajima - Harima Heavy Industries Inc. Tokyo |
| Ishikawajima Harima Heavy Industries, Yokohama |
| Island of Man |
| Istanbul Tersanceilik ve Denizcilik, Istanbul |
| Italcantieri S.p.A, Monfalcone, Italia |
| Italthai Marine Co Ltd, Samut Prakan |
| Iver Hagen, Hjelset |
| Iwagi Zosen K.K., Iwagi |
