IAPH aims to be the global trade association of choice for port authorities and operators, representing their interests at regulatory level at the International Maritime Organization, the World Customs Organization, the International Standards Organization and other global alliances such as the Global Maritime Forum and the World Economic Forum.

The International Association of Ports and Harbors (IAPH) is a non-governmental organisation (NGO) headquartered in Tokyo, Japan. In November 1955, some 100 world port leaders gathered in Los Angeles to announce the creation of IAPH. Over the past six decades, IAPH has developed into a global alliance of ports, representing some 160 ports and 120 port-related businesses in 87 countries.

International Chamber of Shipping (ICS) is the principal international trade association for the shipping industry, representing shipowners and operators in all sectors and trades. ICS membership comprises national shipowners'​ associations in Asia, Europe and the Americas whose member shipping companies operate over 80% of the world's merchant tonnage.

The International Hydrographic Organization works to ensure that all the world's seas, oceans and navigable waters are surveyed and charted, thereby supporting safety of navigation and the protection of the marine environment. It coordinates the activities of national hydrographic offices and sets standards in order to promote uniformity in nautical charts and documents.

International Maritime Bureau (IMB) is a non-profit making organisation, established in 1981 to act as a focal point in the fight against all types of maritime crime and malpractice. IMB’s main task is to protect the integrity of international trade by seeking out fraud and malpractice. For over 25 years, it has used industry knowledge, experience and access to a large number of well-placed contacts around the world to do this: identifying and in

International Maritime Organization is the United Nations specialised agency with responsibility for the safety and security of shipping and the prevention of marine and atmospheric pollution by ships. IMO's work supports the UN sustainable development goals.

The International Renewable Energy Agency (IRENA) is an intergovernmental organisation that supports countries in their transition to a sustainable energy future, and serves as the principal platform for international cooperation, a centre of excellence, and a repository of policy, technology, resource and financial knowledge on renewable energy.

International Seabed Authority (ISA) is an autonomous international organization established under the 1982 United Nations Convention on the Law of the Sea (UNCLOS) and the 1994 Agreement relating to the Implementation of Part XI of the United Nations Convention on the Law of the Sea (1994 Agreement).

The International Seafarers' Welfare and Assistance Network exists to improve the lives of seafarers and their families with services, resources, strategies and advocacy. ISWAN is a membership organisation with the International Chamber of Shipping, The International Transport Workers Federation and the International Christian Maritime Association as the core members.

The International Union of Marine Insurance e.V. (IUMI) is a non-profit association established for the purpose of protecting, safeguarding, and advancing insurers'​ interests in marine and all types of transport insurance. It also provides an essential forum to discuss and exchange ideas, information, and statistics of common interest for marine underwriters and in exchange with other marine professionals.

Headquartered in Limassol, Island Oil Ltd is the flagship of a group of companies mainly active in the marine and domestic fuels sector.

Isle of Man Maritime is a new not-for-profit company that has been established to promote, develop and support the strategic development of the Isle of Man's growing maritime cluster.

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).

From sustainable seaweed production to combatting microplastic pollution to offshore wind power infrastructure, Katapult Ocean’s portfolio companies simultaneously represent the vanguard of impact ocean tech and the greatest opportunity for investment.

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.

Kobelt is a Canadian-based manufacturing company, with over 50 years of experience developing and producing high quality products for the marine and industrial sectors. Kobelt has an extensive history of innovation and product development and works with a wide variety of regulatory and classification requirements around the world for system certifications and approvals. Click on the links below to learn more about Kobelt.

The Korean Register is a not-for-profit classification society founded in South Korea offering verification and certification services for ships and marine structures in terms of design, construction, and maintenance.

Liberia Maritime Authority's mission is to build a vibrant domestic maritime program that is financially self-sustaining, internationally compliant and effective in protecting the Maritime Domain.

The Liberian Registry is comprised of 5,600+ vessels aggregating over 242 million gross tonnes, representing 15% of the world’s ocean-going fleet. Liberia has earned international respect for its dedication to flagging the world’s safest and most secure vessels. The Liberian Registry is recognized at the top of every industry “white-list” including the International Maritime Organization and the major Port State Control authorities.

The Marine Environment Protection Committee (MEPC) addresses environmental issues, under International Maritime Organization's remit. Their resolutions are published in the final report of the MEPC meeting, during which they were adopted.

The Maritime & Coastguard Agency implements the government's maritime safety policy in the UK and works to prevent the loss of life on the coast and at sea. They provide a 24-hour maritime search and rescue service around the UK coast and in the international search and rescue region through HM Coastguard.

The Maritime and Port Authority of Singapore (MPA) was established on 2 February 1996, with the mission to develop Singapore as a premier global hub port and international maritime centre (IMC), and to advance and safeguard Singapore's strategic maritime interests. MPA is the driving force behind Singapore's port and maritime development, taking on the roles of Port Authority, Port Regulator, Port Planner, IMC Champion.

Maritime Anti-Corruption Network (MACN) is a global business network working towards the vision of a maritime industry free of corruption that enables fair trade to the benefit of society at large. Established in 2011, MACN is comprised of vessel owning companies within the main sectors of the maritime industry and other companies in the maritime industry including cargo owners and service providers.

Maritime London is the promotional body for UK-based companies providing maritime professional services to the international shipping industry. Funded by well over 130 companies and organisations from a wide range of disciplines, Maritime London ensures that the UK remains a world-beating location to base a maritime-related business and to conduct maritime trade.

Maritime Research and Innovation UK (MarRI-UK) are a collaborative innovation vehicle for the UK industry and academia to jointly tackle innovation and technology challenges. They focus on research and innovation within mid TRL (3 – 7) levels to address the opportunities between 'discovery and research' and 'commercialisation' of Maritime Technologies and Systems.

Maritime Skills Alliance designs and promotes qualifications and apprenticeships for the UK’s maritime sector. WThey have developed a suite of interlocking standards and qualifications – MSQs, “Maritime Studies Qualifications” - which enable employees to progress both within their specialism and between sectors.

Maritime Technologies Forum (MTF) is a group of Flag States and Classification Societies. The MTF will focus on essential topics for the future of the maritime industry, including energy efficiency, alternative fuels, and autonomous ships.

Mazagon Dock Shipbuilders Limited, Mumbai, an ISO 9001: 2015 Company is one of the leading shipbuilding yards in India. MDL has earned a reputation for quality work and established a tradition of skilled and resourceful service to the shipping world and the Indian Navy & Coast Guard.

The Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping ensures real climate action. They are a not-for-profit, independent research and development centre, looking to accelerate the transition towards a net-zero future for the maritime industry. With their partners, they drive and facilitate the development and implementation of new technologies and build confidence in new concepts.

Mecal Ltd was founded in 1993 as 'Marine Engineers Certifying Authority Ltd' by the Institute of Marine Engineering, Science & Technology & we still maintain close links with the Small Ships Group of the Institution. Since then MECAL has grown to become one of the leading Certifying Authorities for commercial vessels & workboats up to 24m load line length and for larger vessels under specific delegation.