We have so far registered 4,561 shipyards
| Name | | McLeod, New Brunswick |
| McMorrin`s Yard, St. John, New Brunswick, Canada |
| Mc Putnam, Danvers, MA., USA |
| McTay Marine Ltd., Bromborough, U.K. |
| Medford, MA, USA |
| Medyilmaz Gemi Insa Sanayi ve Ticaret A.S., Karademiz Eregli |
| Melbourne |
| M. Eldrups verft, Østeraa, Tvedestrand |
| M.E. Leary, Dayspring, Nova Scotia, Canada |
| Melsomvik Skipsbyggeri, Tønsberg |
| Memel, (Klaipeda), Litauen |
| Mencke & Botter, Vegesack-Hammelwarden, Tyskland |
| Merchant S.B. Corp., Chester, Pa, USA |
| Merchant S.B. Corp, Hog Island,Pa. |
| Merchant Ship Building Corp., Harriman, Philadelphia, PA. USA |
| Merrill Stevens S.B.Corp., Jacsonville FL, USA |
| Metalships & Docks SA, Vigo, Spania |
| Metcalf & Norris, Damariscotta MA, USA |
| Meteghan, Nova Scotia, Canada |
| Meyer Werft Gmbh, Papenburg, Tyskland |
| Meyer Werft, Warnemunde |
| M. Forbes, Argyle, Nova Scotia, Canada |
| M.G. Amsinck, Hamburg |
| M. & G. Hohensee, Kabli, Orajoe, Estland |
| MHD Angyalfäldi Gyaregysage,Budapest |
