Energy-saving devices services in Japan
The company’s mission is to bring the benefits of satellite development and utilization to all people through the design, development, and operation of nano-satellite constellation systems. Through the realization of early in-orbit demonstration of VDES satellites, the company contributes to the establishment of the basic infrastructure for future ship identification, safe navigation, and maritime digitalisation.
Asahi transport energy to sustain the lives of people, a mission to be proud of. They focus first on safety because the daily work is exposed to danger. A solid safety management accumulated over the years is their precious asset.
ClassNK works to ensure maritime safety and protect the marine environment. They provide registration of ships, class suspensions / withdrawals, rules & guidance, approval lists, repair dockyard list, and much more.
Daihatsu Diesel has been designing and producing custom-made engines for the maritime and industrial sectors. Through creativity and flexible thinking we provide our customers with future-oriented total solutions.
e5 Lab Inc. develops solutions to help meet Japan's shipping industry's various challenges, including greenhouse gas emissions, labour shortages and identify ways to harness autonomous shipping technologies.
ENEOS Xplora is engaged in the development and production of oil and natural gas in Japan and around the world as one of the principal operating companies of the ENEOS Group, Japan's largest energy, resources and materials conglomerate.
Exeno Yamamizu offers a wide variety of services related to shipping and shipping, from shipbuilding and trading ship brokerage to consulting on shipbuilding, ship ownership, and marine transportation in general, sales of ship-related products, and construction management of various works, to meet the needs of our customers.
Honda Heavy Industries Co., Ltd. offer technical solutions for building of oceangoing and domestic vessels and ships. The company has a proud history in shipbuilding and provide a total service for clients, relating to ships and shipping.
The Imabari Shipbuilding Group has always incorporated technological innovations into the products in order to satisfy the needs of the times. They have delivered over 2,700 new ships since they started with the construction of a steel ship in 1956.
INPEX Corporation are engaged in the energy supply business on a global scale. Their operations include acquisition of license blocks for oil and gas fields, exploration, production and the sale of processed products.
Japan CCS Co., Ltd (JCCS) was founded in May 2008 when a group of major companies with expertise in CCS-related fields, including electric power, petroleum, oil development, and plant engineering, joined forces to answer the Japanese government’s call for development of CCS technology as a countermeasure against global warming. JCCS is a unique company in the world to be founded and dedicated explicitly to developing integrated CCS technology.
Japan Engine Corporation is involved in the development, design, manufacturing, maintenance, repair, sale and licensing of engines and other components. From development to after-sales service, they are the only company in the world that has an integrated system of the UE engine, which is one of the world's three largest brands of low-speed marine engines.
JSTRA acts as a coordinator to promote tie-ups among the industries (shipbuilding and ship machinery industries and marine transport industry), academic communities (universities, research institutes and academic societies) and the administration (government and inspection organisations).
JERA is the largest power generation company in Japan, producing about 30% of Japan's electricity.
Together with about 100 group companies in Japan and overseas, Kawasaki Heavy Industries oversees the formation of a 'technology corporate group'. Their technological capabilities, polished over a history that exceeds a century, send diverse products forth into wide-ranging fields that go beyond land, sea, and air, extending from the ocean depths to space.
Keihin Dock Co., Ltd. was established in 1968 with investment from Nippon Yusen Kabushiki Kaisha as a company engaged in small ship repair business. Since their founding, the company have maintained close ties with Keihin Seiki, Keihin Corporation, and Keihin Valve Corporation, integrating industrial valve manufacturing and sales operations with these companies.
Marindows creates a sustainable and fascinating future for the ‘sea.’ With the spread and promotion of maritime broadband communications, Marindows will bring all the seas that were previously out of the communication range online. High-speed, large-capacity communication promotes digital transformation at sea.
Nippon Gas Line Co., Ltd. was established in 1962 as a company specializing in the carriage of liquefied petroleum gases in Japan. Since then, the Company has been concentrating its efforts, as a sea-borne carrier of valuable energies, to provide safe and reliable transportation that can satisfy customers, while at the same time trying to be a "company that society needs and that can contribute to society."
The NYK Group provides its customers with terminal and stevedoring services for containerships, pure car carriers, and cruise ships at terminals in numerous sites. NYK's container terminals have enhanced terminal operating systems and equipment that allow for the loading and discharging of large numbers of containers transported on time, safely, accurately, and efficiently on mighty vessels.
Sanyu Co., Ltd.was originally the Hofu office of the former Mitsui Bussan. When GHQ ordered the dismantling of the former Mitsui Bussan in July 1947, a number of employees established the company to contribute to the rebuilding of the country through construction material sales. Since then, in addition to fuel (LP gas,) construction materials (ALC etc.) housing related products, and computers, developed a related work construction profile.
Sanoyas Shipbuilding Corporation took over the shipbuilding and plant business operations of the former Sanoyas Hishino Meisho Corporation and commenced operation on January 4, 2012. Its business operation dates back to 1911, at the Sanoyas Shipyard established along the Kizu River in Osaka.
Shin-Nippon Kaiyosha is a marine business service company established on July 1, 2019 through the merger of Wing Maritime Service Co., Ltd. and Kaiyo Kogyo Co., Ltd., both of which are 100% owned by NYK Line. They have the largest tugboat fleet in Japan, and through close cooperation with affiliated companies in Hokkaido, Tohoku, Okinawa, etc., not only port towing work but also salvage work, salvage, ocean survey, or offshore.
Based on Sumitomo Heavy Industries, Ltd. values; customers come first, the challenge of change, technology-focused, and respect for humanity; it continue to provide first-class products and services to the world.
Terasaki Electric Co., Ltd. manufactures and sells marine and industrial systems, circuit breakers, and medical devices in Japan and internationally. The company offers medium voltage switchgears, power distribution systems, arc proof LV switchgears and control gear.
Tohoku Electric Power Co., Inc. is a power utility company that is based in Sendai, Miyagi, Japan.
Accelleron is a global major in turbocharging technologies and optimisation solutions for 0.5 to 80+ MW engines, helping to provide sustainable and reliable power to the marine, energy, rail, and off-highway sectors. With an installed base of approximately 180,000 turbochargers and a network of more than 100 service stations worldwide, their innovative technologies and digital solutions give its customers the power to move further.
Additure are passionate about the potential of 3D metal printing. They support the growth and influence of this exciting technology in the British Manufacturing industry. They provide cost-effective and easy-to-understand 3D metal printing solutions.
AIS Marine & Offshore is an Australia-based company that was established in early 2017 (predecessor AIS Marine Group Pty Ltd), to support international ships coming into Australian Waters. The AIS corporate head office is located in Sydney and branch offices are situated in Brisbane and Gladstone in Australia.
Aker Clean Hydrogen aims to drive value by being the most efficient hydrogen value chain integrator in the race towards zero emissions. They develop, build, own and operate clean hydrogen at industrial scale globally. They have a clear ambition to have a meaningful environmental impact with a target of net production capacity of 5 GW, and 9.4 million tons of Co2 emissions reduced per year, by 2030.
Aker Solutions delivers integrated solutions, products and services to the global energy industry. They enable low-carbon oil and gas production and develop renewable solutions to meet future energy needs.
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Upcoming maritime events in Japan

Bari-Ship 2025
- 22 - 24 May, 2025
- Imabari, Japan