The National Oceanic and Atmospheric Administration (NOAA) is an American scientific and regulatory agency within the United States Department of Commerce that forecasts weather, monitors oceanic and atmospheric conditions, charts the seas, conducts deep sea exploration, and manages fishing and protection of marine mammals and endangered species in the U.S. exclusive economic zone.

The National Shipbuilding Office (NSO) drives transformative change to empower a globally successful, innovative and sustainable shipbuilding enterprise that works for all parts of the UK. The NSO oversees all of the Government's interests in UK shipbuilding, supports growth in the sector, and works with industry to improve productivity and competitiveness.

The Hamburg based company Nauticor GmbH & Co. KG is a supplier of liquefied natural gas (LNG) as fuel for ships. As a part of Gasum, Nauticor combines a broad range of competencies in cryogenic technology, logistics, and bunkering to develop LNG supply solutions for maritime customers in Northwest Europe, especially the North and Baltic Sea.

Naval Dynamics AS was founded in early 2002 with the intention to offer robust and innovative solutions for the offshore, shipping and renewable industry. They provide services within conventional marine applications as well as conceptual development of new offshore- and shipping solutions of all scales.

Naval Ship Management (NSM) is a major provider of complete maritime sustainment solutions. Their team of sustainment experts, strategically located across Australia, work with their broad international supply chain to provide cost-effective and responsive solutions that optimise the availability, capability and seaworthiness of critical maritime assets.

Nebras Alkhaleej for Marine Services began its journey in 2018, driven by a profound passion for the maritime world. Their foundation is built upon the principles of integrity, transparency, and collaboration. They believe in responsible and sustainable business practices and hold certifications, including ISO 9001:2015 and ISO 45001:2018. From marine supplies to multiple specialty trading, agency, catering, and logistics, they cover them all.

Neptune Energy is an independent oil and gas exploration and production company with a regional focus on the North Sea, North Africa and Asia Pacific. Building on 50 years'​ experience from activities in 11 countries worldwide, their vision is to create the leading international independent E&P company within the next 5 years.

Established in December 2019 as a provider of integrated underwater solutions, Nereus Subsea has grown to become Asia’s leading commercial diving company. They have built up an impressive portfolio of successfully completed underwater Hull Cleaning, Repair, Survey & Salvage projects. Nereus Subsea is fully committed to achieving Health, Safety & Environment excellence in their business operations.

Neste are the world’s major producer of sustainable aviation fuel and renewable diesel, and renewable feedstock solutions for various polymers and chemicals industry uses

For over a century, Nexans has played a crucial role in the electrification of the planet and is committed to electrifying the future. With approximately 25,000 people in 42 countries, the Group is driving the change towards a safer, more sustainable, renewable, carbon-free world, accessible to all. In 2021, Nexans generated €6.1 billion in standard sales.

Founded in 2013, Next Global Supply Chain Group Co,. Ltd is an international third-party logistic provider. As a professional supply chain company with globally recognised qualifications, Next Global can cater to the customer’s growing complicated demand with its customised solutions and seamless integration via information systems in international trade.

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."

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'.

Nordic Yards has 13 years of experience and expertise in major maritime projects like the construction of ships and offshore platforms. Nordic Yards has been active in the domain of shipbuilding and the construction of offshore platforms since 2009.

Fosen Yard offers its customers the full value chain of shipbuilding, with decades of experience in Norway and Germany. Since 2019, Fosen Yard Emden GmbH is a full member of the Fosen Yard Group.

Norled AS is one of Norway's largest ferry and speedboat companies. They have around 80 vessels, including ferries and speedboats that are in scheduled traffic, along the Norwegian coast. The company has approximately 1,000 employees with annual sales of approximately NOK 2 billion. Norled is headquartered in Stavanger, and has offices in Bergen and Oslo, in Norway.

NorSea is a privately owned company established in 1965. The company is a significant base supplier and provider of integrated logistics solutions to the offshore industry.

Norwegian Defence Research Establishment (FFI) is the prime institution responsible for defence-related research in Norway. The Establishment is the chief adviser on defence-related science and technology to the Ministry of Defence and the Norwegian Armed Forces’ military organisation. FFI collaborates with national and international scientific institutions and industry.

The Norwegian Maritime Authority has jurisdiction over ships registered in Norway and foreign ships arriving Norwegian ports. The authority is a government body subordinated to the Ministry of Trade and Industry and the Ministry of Environment. The NMA is also responsible for ensuring the legal protection of Norwegian-registered ships and registered rights in those ships.

Norwegian Ship Design is an independent company established early 2019. They deliver first class Ship Design, Consultancy and Advisory services to satisfied and returning customers. Their clear ambition is to be the leading and preferred ship design and engineering partner for energy efficient and low or zero emission ships for the future.

Novo Nordisk is a global healthcare and software solutions company with 95 years of innovation and leadership in care and services.

NOW GmbH's goal is mobility that secures the future and that fits into the future. Sustainability is the way. They work for the future of mobility. The climate goals set by the federal government are their guiding principles. As a federally owned company, they accept orders from the highest federal authorities, i.e. federal ministries, in the area of ​​sustainable mobility and energy supply.

OceanSTAR Marine & Offshore Pte. Ltd. is a Engineering Consultation company in Marine & Offshore Industry, providing professional Engineering Design, Analysis, Site Survey and Construction Support Services.

OceanWise provides applications, services and tools that enable safer and smarter management of marine operations. They specialise in marine environmental monitoring; are the leading provider of marine mapping data worldwide; and are the experts in marine data management

Powered by Vision AI, Oosto enables enterprises to better protect their customers, guests and employees by identifying security and safety threats in real-time without compromising on fair and ethical use.

Opentop is the innovation HUB of Valenciaport, which seeks to become a global benchmark in open innovation in the port logistics sector, fostering the creation and growth of innovative technology companies. They are connected with major global companies, top notch mentors, and a vibrant startup ecosystem in one of the most iconic Mediterranean cities.

Oriental Motor manufactures various compact electric motors, linear/rotary actuators, and motion control products for machine builders in many industries, while focusing on total service and education. They offer an extensive product line-up of 50,000+ standard products to meet the widest market demands.

Orion Maritime was established in February 1999 with the aim of providing cost effective services to their valued clients and to be a recognised company in the maritime and offshore industry. Maritime service and consultancy is their core business and they are committed to provide maritime solutions at the highest level of professionalism.

Oxley Marine Engineering sells and repairs engines in South West Devon. Their workshop is in Brixham and they are an authorised Beta Marine, Perkins and Separ supplier. They also sell pre-owned engines that they test and offer breakdown services. They work primarily on diesel engines for private and commercial boats, and supply Perkins and Beta Marine engines, which they believe last over time.

Østensjø Group is a provider of offshore- and towage services worldwide. It operates a fleet of 31 modern vessels, including 20 tugs/mooring vessels, 8 offshore service vessels, including 2 SOVs operating in the renewable market, and 1 accommodation vessel. The Østensjø group also delivers crew services to the shipping industry.