National Historic Ships UK is a government funded, independent organization which gives objective advice to UK governments and local authorities, funding bodies, and the historic ships sector on all matters relating to historic vessels in the UK.

The National Marine Manufacturers Association (NMMA) is dedicated to advocating for and promoting the strength of marine manufacturing, the sales and service networks of its members, and the boating lifestyle. NMMA is the nation’s leading trade association representing boat, marine engine and accessory manufacturers. Collectively, NMMA members manufacture an estimated 80 percent of marine products used in North America.

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 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.

Navalu Aluminium Boats is into shipbuilding services and is based out of France.

Navidium's solutions are designed to easily adjust to the needs and grow with the business, adapting to new regulatory frameworks and interoperating with all other software and hardware products. Navidium's solutions provide Faster, Smarter, and Greener software solutions for the maritime industry.

NDAR is a fully owned, limited company. Through partnerships and commercial agreements, NDAR is part of a multinational group of companies, and heads the group's operations in Europe, Russia and the Middle East. NDAR operates principally in the fields of naval architecture, ship building, ship operation and ship management.

They are Neander. They manufacture and supply dependable yet innovative turbo Diesel outboard engines to marine professionals. Their core product, the Dtorque 50 is available in over 40 countries, powering marine professionals across the globe.

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

Industry organization Netherlands Maritime Technology (NMT) connects, represents and strengthens the maritime manufacturing industry in the Netherlands. Members' interests are best served from a strong, strategic sector. That is why NMT is striving for a long-term maritime industrial policy and a level playing field in Brussels, The Hague and in the region.

Newport Shipping UK LLP (“Newport” or the “Company”) was established in the UK in 2011 with vessel management, design, construction and repair experience dating back to the 1960s. The Company is active globally with the services of dry-docking, retrofit, repair and conversions with a low carbon focus in 15 yards with 38 docks capable of handling approximately 2,500 repairs annually of all vessel classes and sizes.

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.

NG Shipyards designs and builds as well as maintaining and repairing work boats up to 30 metres. An important issue for them is the continuing search for durable applications and technologies to reduce their ecological footprint. They find it a challenge to apply all their specialist knowledge and for that reason they spend time and energy in various initiatives and projects.

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."

NOBISKRUG has built well over 750 ships since it was founded in 1905. Today, the traditional Rendsburg shipyard specializes in the design and construction of luxurious, custom-made superyachts from 60 meters in length.

Nordic American Tankers is a shipping company listed on the New York Stock Exchange - NYSE. They maintain a Suezmax-only fleet, strong balance sheet, and have paid dividend to their shareholders each quarter since 1997.

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.

Norfolk Marine (Chandlers) Ltd is a family run business established in 1984. It is one of the largest independent marine chandlers in the UK, offering a range of more than 35,000 products. Their 18,000 square feet shop is located in Hoveton, Near Wroxham, Norfolk and supplies retail consumers and marine industry businesses, servicing the latter via their dedicated trade counter and van delivery service.

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.

The Norwegian Coastal Administration is a national agency for coastal management, maritime safety and preparedness against acute pollution. The Norwegian Coastal Administration works actively for efficient and safe sea transport by taking care of the transport industry's need for accessibility and efficient ports

Norwegian Cruise Line (NCL) has been the premier innovator in the cruise line industry for over 54 years. They were the first to eliminate set dining times and provide guests with the freedom to cruise on their schedule to over 450 incredible destinations around the world. Our award-winning fleet provides an unparalleled onboard experience and will continue to expand with the introduction of Norwegian Encore and Prima Class ships.

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.