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 Maritime College of Ireland (NMCI) is the first third level college in the country to be built under the Government’s Public-Private Partnership scheme. A Public-Private Partnership (PPP) is a partnership between the public and private sector for the purpose of delivering a project or service traditionally provided by the public sector.

National Maritime is the Largest UK Maritime SME Network Supporting business & collaborations through funding, expertise & talent.

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.

NAUTIC.FILM is a specialised video production company dedicated to serving the marine industry. Their focus extends to both the leisure and commercial sectors, as they create dynamic and compelling videos that authentically tell any brand's story in a unique and engaging manner.

Nautica Store Shipyard provides maritime services, boat rental services, diving center, etc and is based out of Italy.

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.

Nautisk Teknik is a sea-safe connection within maritime sales, service and installation of electronics, electrical installations and networks. Nautisk Teknik was founded by Martin Kristensen, whose professional maritime career started as a ship's electrician in the Norwegian Navy's submarines.

Navadan is a specialised supplier of marine cleaning & maintenance chemicals, equipment and supercargo services. Navaclean chemicals are produced locally at various strategic locations and can be delivered in 1000+ ports worldwide.

NHHC, located at the Washington Navy Yard, is responsible for preserving, analysing, and disseminating U.S. naval history and heritage. It provides the knowledge foundation for the Navy by maintaining historically relevant resources and products that reflect the Navy's unique and enduring contributions through the nation's history and supports the fleet by assisting with and delivering professional research, analysis, and interpretive services.

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.

Naviera Daedalus provides solutions like Maritime services, construction services and is based out of Spain.

Brinav company is mainly engaged in the research and development, production, and sales of ship and maritime equipment information and intelligent technology products and systems. The company deeply participates in the national key research and development plan.

By sharing their relevant online- and offline media expertise, Navingo brings together the world of maritime and offshore energy. As the global environment is changing industry strives for sustainable solutions. They believe that innovation takes place when inspiring ideas, valuable information and the right people connect.

Navis Consulting is a provider of staffing solutions, working within the Maritime industry and specializing in Seagoing, Technical Shipping, Commercial Shipping and Marine Engineering.

NAVTOR is a leading force in the provision of innovative e-Navigation solutions, and a total supplier of navigational products and services for the maritime sector. Every day they strive to make life easier for navigators, and safer, clearer and more efficient for shipowners, ship managers and operators.

NCT Offshore focus on safety, reliability, innovation & adaptability and pursue a strong team spirit and entrepreneurial company culture. At NCT, the distance is short between the controlling/planning unit and the operative hands on the vessel. This ensures a high level of flexibility, fast adaption and an overall innovative and pragmatic approach.

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.

Neander Motors AG (Neander) manufactures and supplies dependable and innovative turbo Diesel outboard engines for ocean vessels and ships in the marine industry. 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.

Nedcon Maritime is the largest, independent Romanian Manpower Supply Company involved in the recruitment of Romanian Seafarers, Riding Teams, Shipyard Personnel, Oil & Energy Professionals, Hospitality Personnel and Industrial Specialists.

NEMOMARIN is established in April 2013. A fresh start by experienced founders in the Turkish Marine Market since 1992. They represent pioneering marine equipment manufacturers that have the best reputation worldwide in their fields which really makes them as in motto “Address For Top Quality Marine Equipment.”

NEOLINE aims to develop and implement a transport solution aimed at drastically reducing the use of fossil fuels and the resulting greenhouse gas emissions, while providing shippers with a reliable, highly qualitative and competitive service.

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