MOL provides appropriate maritime consulting services in response to these changes and to their various needs by leveraging their vessel operation know-how.

MOL Techno-Trade, Ltd. is a company within the MOL Group that functions as a technology-specialized trading company, and is engaged in a wide range of businesses, including the sale of Propeller Boss Cap Fins (PBCF), which are energy-saving devices; procurement of fuel, lubricants, ship parts, and materials; and the management and maintenance of national oil terminals.

Murakami Hide Shipbuilding is located in Hakatajima, Imabari City of Ehime Prefecture, one of the maritime city. Adhering to the motto "Sincerity and Harmony", Murakami Hide Shipbuilding has been active in the shipbuilding industry for over a century since its founding in 1917 (Taisho 6 in Japanese year).

Naikai Zosen Corporation is a Japan-based company principally engaged in the manufacture and repair of ships. The Company operates in two business segments. The Ship segment is engaged in the manufacture and repair of ships, the manufacture and sale of abrasive products, as well as the repair of live-saving rafts, among others.

Headquartered in Japan’s Setouchi region, the centre of the country’s shipbuilding industry, Nakashima Propeller Co. Ltd. is a manufacturer of marine propulsion equipment, boasting a leading share in marine propellers. Nakashima seeks to offer a full range of services catering to each ship’s entire lifecycle while achieving fuel efficiency to reduce the burden on the environment.

Nakatani Ship Building Company represents the cutting edge of 21st century ship design with the development of new technology one of their priorities. The Nakatani Shipbuilding Company has developed an electric propulsion, domestic chemical tanker in collaboration with university ship research departments.

Namura Shipbuilding Co., Ltd. is the company that builds ocean-going ships. "Ships", are a means of transportation that connect the world carrying culture. Namura is building such "Ships" especially the large merchant ships. Namura’s achievements are found everywhere; in the sea, mountains, rivers, and towns.

NEDO is a national research and development agency that creates innovation by promoting technological development necessary for the realisation of a sustainable society. NEDO also contributes to a stable energy supply and the resolution of global environmental problems by promoting the demonstration of new energy, energy conservation, and environmental technologies abroad based on knowledge obtained from domestic projects.

Nihon Shipyard is the design and sale of all types of commercial vessels and offshore floating structures, except LNG carriers.

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."

Nippon Paint Marine Coatings Co., Ltd. is a subsidiary of Nippon Paint Holdings, Asia’s foremost paint supplier and the world’s fourth-largest coatings company. With a global manufacturing and distribution network, Nippon Paint Marine has been producing marine coatings since the 1880s and is widely regarded as a pioneer in the development of hull protection and antifouling paints.

Nippon Salvage is engaged in salvage and marine construction projects. Technical ability, enthusiasm and sense of responsibility are all indispensable to acquire trust from clients. Nippon Salvage continue to evolve onward for the clients.

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.

Nitto Total Logistics Ltd. was founded in September 1926, as a limited partnership so that it can conduct business in Kobe and Osaka, primarily as a shipping agency and providing port transport. Nitto Total Logistics relies on a variety of ships and vehicles, machinery and technology to wrap, unravel, raise, pull and push to develop a product called, 'Logistics'.

NS United Kaiun Group will contribute to the development of society by providing trusted and high-quality marine transportation service.

OPRI is a think tank that conducts ocean policy research, makes policy recommendations, and disseminates information in order to comprehensively and systematically address the ocean challenges facing Japan and the world. As part of this work, OPRI conducts research on the sharing of ocean observation platforms and the spread of satellite communications to enhance marine security and maritime domain awareness.

With the Head Office located in the city of Kobe in Hyogo Prefecture and their manufacturing bases in the city of Onomichi in eastern Hiroshima Prefecture, they are exploiting the full technology and knowledge gained over those long years of the history as they aim for the world’s highest production yield per unit area of plant site.

Since its founding in 1964 as a leasing company, ORIX has expanded its operations to neighbouring domains backed by the accumulated expertise. ORIX will continue to anticipate market trends in the ever-changing social and business climate. Through provision of innovative financial services at a global scale, they cultivate new businesses and opportunities for investment, thereby contributing to society.

Peace Boat is a Japan-based international NGO which promotes peace, human rights, and sustainability through a passenger ship that travels the world. The voyages, run on a social business model, blend sustainable tourism, lifelong learning and friendship activities with educational programmes, cooperative projects, and advocacy.

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.

Shin Kurushima Dockyard Co. Ltd. is a globally renowned shipping company that explores all the possibilities of marine transportation. The not only focus on the needs of customers, but also address issues faced by the environment through research-based advanced technology, by pushing for energy efficiency, CO2 reduction, high level environmental features, and other methods.

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 Nihonkai Ferry Co., Ltd. is a marine transportation company based in Japan.

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.

Shinkasado Dock is a manufacturing company that mainly manufactures and repairs ships on Kasado Island in Kudamatsu City, Yamaguchi Prefecture. Their business fields are all over the world, and they are expanding their activities globally.

Ship Data Center Co., Ltd. is a wholly-owned subsidiary of the international classification society ClassNK. They strive to provide an environment in which unitarily managed data can be used at a low cost and maximize opportunities for big data utilization throughout the entire maritime industry.

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.

TST Corporation provides a variety of information on vessel movements and ports to government agencies and companies involved in maritime transportation and port operations/construction. The company also contributes to safe and smooth operation of vessels and ports through port radio operations and services related to port bay management at ports nationwide, and respond to the era of digital transformation.