Top Boats and Submarines Manufacturing Companies in Japan
Discover the leading boats and submarines manufacturing companies in Japan, renowned for their cutting-edge naval engineering and maritime innovations. This carefully curated list provides reliable and up-to-date information, saving you time when searching for trusted manufacturers specializing in boats and submarines across Japan’s coastal hubs.
- Mitsubishi Heavy Industries – With over a century in heavy industry, Mitsubishi Heavy Industries specializes in the design and production of advanced naval vessels including submarines and patrol boats. Known for precision engineering and government contracts, the company combines innovation with extensive experience.
Website: www.mhi.com
Contact: +81 3-3457-2111
Address: 16-5, Konan 2-chome, Minato-ku, Tokyo 108-8215, Japan - Kawasaki Heavy Industries – Kawasaki Heavy Industries has a long legacy manufacturing submarines and high-performance boats for commercial and defense sectors. Their expertise includes propulsion systems and shipbuilding technology, catering to Japan’s maritime defense needs.
Website: www.khi.co.jp
Contact: +81 75-541-2111
Address: 1-1, Kawasaki-cho, Akashi, Hyogo 673-8666, Japan - Japan Marine United Corporation – Specializing in naval architecture and shipbuilding, Japan Marine United produces military and commercial boats including submarines. Combining advanced maritime technology with sustainable practices, it serves Japan’s shipbuilding industry with over 100 years of experience.
Website: www.jmuc.co.jp
Contact: +81 3-5462-6700
Address: 1-7-1, Shibaura, Minato-ku, Tokyo 108-0023, Japan - Sumitomo Heavy Industries Marine & Engineering – With expertise in marine propulsion and shipbuilding, Sumitomo Heavy Industries delivers reliable boats and submarines primarily focused on performance and safety. The company emphasizes sustainable marine technologies and has earned multiple industry certifications.
Website: www.shi.co.jp/eng/company/marine.html
Contact: +81 6-7664-1111
Address: 2-1-3, Shioe, Hyogo-ku, Kobe 652-8510, Japan - IHI Corporation – IHI Corporation manufactures specialized naval vessels including military submarines and support boats. Known for advanced engineering solutions and global maritime projects, IHI supports Japan’s shipbuilding industry with 60+ years of sector expertise.
Website: www.ihi.co.jp/en/
Contact: +81 3-6204-7031
Address: 1-1, Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-8216, Japan - OceansLab Inc. – OceansLab specializes in the custom design and manufacturing of small to midsize boats for research and defense use, including unmanned underwater vehicles. Their innovative approach caters to Japan’s coastal research and naval support industries.
Website: www.oceanslab.jp/en
Contact: +81 45-890-2875
Address: 3-8-1, Minatomirai, Nishi-ku, Yokohama, Kanagawa 220-0012, Japan - JMU Kajima Shipbuilding Co., Ltd. – A division of Japan Marine United, this shipbuilder focuses on high-tech submarines and patrol boats, delivering bespoke naval solutions tailored for Japan’s maritime defense sectors and local government agencies.
Website: www.jmuc.co.jp/en
Contact: +81 45-507-8100
Address: 2-3-5, Minatojima, Chuo-ku, Kobe 650-0047, Japan - Yamaha Motor Co., Ltd. – Yamaha Motor’s marine division manufactures smaller boats and marine engines, widely used for leisure and coastal security. Known for advanced marine propulsion systems, Yamaha blends reliability with innovative engineering.
Website: www.yamaha-motor.co.jp/global/marine
Contact: +81 53-487-6411
Address: 2500 Shingai, Iwata, Shizuoka 438-8501, Japan - Fukushima Heavy Industries Ltd. – Established manufacturer focusing on specialized boats for offshore industries and military applications. Fukushima Heavy Industries utilizes modern vessel design techniques to meet strict maritime standards.
Website: www.fukushima-hi.co.jp/eng
Contact: +81 243-23-3131
Address: 6 Chome-88, Komatsu, Koriyama, Fukushima 963-8570, Japan - Toyo Engineering Corporation – Toyo Engineering offers marine vessel manufacturing focusing on industrial boats including survey and research submarines. Their marine solutions are tailored for Japan’s maritime scientific community.
Website: www.toyo-eng.com/english
Contact: +81 3-6204-7100
Address: 5-1, Marunouchi 2-chome, Chiyoda-ku, Tokyo 100-8251, Japan - Daiei Shipbuilding Co., Ltd. – Daiei Shipbuilding specializes in custom fabrication of patrol boats and small submarines, serving Japan’s coast guard and private sectors with a reputation for quality and timely delivery.
Website: www.daiei.co.jp/en
Contact: +81 94-263-5711
Address: 2-15-1, Higashi-Machi, Munakata, Fukuoka 811-3512, Japan - Kobe Marine Engineering Co., Ltd. – Kobe Marine Engineering focuses on bespoke naval equipment and submarine parts manufacturing, servicing major shipyards across Japan. Known for precision machining and marine technology innovation.
Website: www.kobe-marine.com
Contact: +81 78-675-1234
Address: 5-7-1, Minatojima-nakamachi, Chuo-ku, Kobe 650-0046, Japan - Japan Steel Works, Ltd. – Renowned for manufacturing pressure vessels and key components for submarines, Japan Steel Works supports shipbuilders with certified, high-grade steel products critical for naval applications.
Website: www.jsw.co.jp/english
Contact: +81 3-6823-7110
Address: 3-20-1, Tsukiji, Chuo-ku, Tokyo 104-8401, Japan - Tadano Ltd. – Although widely known for cranes, Tadano also produces marine handling equipment and offshore vessel machinery, contributing to Japan’s boat and submarine manufacturing with robust marine technology components.
Website: www.tadano.com
Contact: +81 6-6398-2525
Address: 2-20, Chome, Nishinakajima, Yodogawa-ku, Osaka 532-0004, Japan - ShinMaywa Industries, Ltd. – Specializing in amphibious vehicles and hovercraft, ShinMaywa produces innovative small submarines and marine craft for defense and rescue operations across Japan. Their technology is recognized for versatility and durability.
Website: www.shinmaywa.co.jp/en
Contact: +81 72-446-3141
Address: 3-1-22, Hinode, Takarazuka, Hyogo 665-8686, Japan - Ebara Corporation Marine Systems – Ebara offers marine pumps and ballast systems essential for submarine function and boat stability, supporting manufacturers throughout Japan’s shipbuilding industry with decades of experience.
Website: www.ebara.co.jp/en
Contact: +81 3-3508-7111
Address: 31-1, Nishi-Shimbashi 1-chome, Minato-ku, Tokyo 105-8722, Japan - Shin Kurushima Dockyard Co., Ltd. – A historic shipbuilder focusing on medium-sized commercial and military boats, including patrol vessels and small submarine hulls. The company serves Japan’s Inland Sea region with high-quality shipbuilding services.
Website: www.shinkurushima.co.jp/en
Contact: +81 89-941-2211
Address: 1-1 Kurehonmachi, Kure City, Hiroshima 737-0046, Japan - Japan Submarine Engineering Corporation – Specialized in submarine systems engineering and maintenance, this company offers solutions for Japan’s submarine fleet including design support and component manufacturing.
Website: www.jase.co.jp/english
Contact: +81 3-5537-2150
Address: 2-16-13 Shiba, Minato-ku, Tokyo 108-0014, Japan - Imabari Shipbuilding Co., Ltd. – Japan’s largest private shipbuilder, focusing on commercial vessels but also supplying naval boats and support vessels with advanced manufacturing technology. Based in Ehime Prefecture, a key shipbuilding area.
Website: www.imabarishipbuilding.co.jp/en
Contact: +81 897-52-3111
Address: 2-6-3 Ebisu Minami, Imabari, Ehime 799-2698, Japan - MHI Vestas Offshore Wind – A joint venture specializing in offshore vessel design and marine platforms, contributing to Japan’s offshore infrastructure and naval boat manufacturing capabilities with innovative engineering for marine environments.
Website: www.mhivestasoffshore.com
Contact: +81 3-3566-2100
Address: Toranomon 2-4-1, Minato-ku, Tokyo 105-0001, Japan - Toshiba Marine Systems – Toshiba provides high-tech electronic systems and propulsion solutions for boats and submarines, integrating advanced control technologies for Japan’s maritime defense industry.
Website: www.toshiba.co.jp/sis/en/index.htm
Contact: +81 3-3457-1211
Address: 1-1, Shibaura 1-chome, Minato-ku, Tokyo 105-8001, Japan - Japan Agency for Marine-Earth Science and Technology (JAMSTEC) – Although primarily a research institution, JAMSTEC designs and operates cutting-edge research submarines and submersibles, collaborating with manufacturers to push Japan’s marine technology forward.
Website: www.jamstec.go.jp/e
Contact: +81 46-867-9191
Address: 2-15 Natsushima, Yokosuka, Kanagawa 237-0061, Japan
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