Intercoastal Marine Inc. is the marine contractor in Panama, Central America and The Caribbean. Based in Panama, they perform a complete range of design and engineering, new construction, repair, modernisation and maintenance of marine structures and facilities.

The Intergovernmental Oceanographic Commission of UNESCO (IOC) is the United Nations body responsible for supporting global ocean science and services. The IOC enables its 150 Member States to work together to protect the health of their shared ocean by coordinating programs in areas such as ocean observations, tsunami warnings and marine spatial planning.

InterManager was initially founded under the name ISMA (International Ship Managers’ Association) in 1991, with the first steps in the creation of what is now known as InterManager beginning back in 1988 when five leading ship management companies – Barber International, Columbia Shipmanagement, Denholm Ship Management, Hanseatic Shipping Company, and Wescol International Marine – met to discuss the possibility of improving standards within the s

Intermarine designs and builds berthing pontoon systems, in aluminium, steel and concrete for a host of applications ranging from leisure marinas to fully serviced commercial docking facilities.

Internacional Marítima is a renowned Brazilian company in marine and port support services, with over 30 years experience in the maritime industry. Created as an alternative for consulting projects, offering solutions to the port & maritime industry in the region, with specialised technical personnel in related fields, they assist clients in complying with national and international standards and requirements.

Dedicated to safe ships and clean seas, IACS makes a unique contribution to maritime safety and regulation through technical support, compliance verification and research and development. More than 90% of the world's cargo carrying tonnage is covered by the classification design, construction and through-life compliance rules and standards set by the eleven Member Societies of IACS.

International Association of Dry Cargo Shipowners (INTERCARGO) represents the interests of quality dry cargo shipowners. INTERCARGO provides the forum where dry bulk shipowners, managers and operators are informed about, discuss and share concerns on key topics and regulatory challenges, especially in relation to safety, the environment and operational excellence.

International Association of Oil & Gas Producers (IOGP) are the global voice of their industry, pioneering excellence in safe, efficient, and sustainable energy supply - an enabling partner for a low carbon future. Their members, integrated energy companies, national oil companies, independent upstream operators, service companies, and industry associations operate around the globe, supplying over 40% of the world’s oil and gas demand.

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.

IAPH is a non-governmental organization (NGO) headquartered in Tokyo, Japan. In November 1955, some 100 world port gathered in Los Angeles to announce the creation of IAPH.

IBM is a globally renowned IT Services and IT Consulting firm that offers a range of services, such as Cloud, Mobile, Cognitive, Security, Research, Watson, Analytics, Consulting, Commerce, Experience Design, Internet of Things, Technology support, Industry solutions, Systems services, Resiliency services, Financing, and IT infrastructure.

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.

Established in December 1987 in the Philippines, ICTSI has become an operator, innovator and pioneer in its field. Soon after consolidating and strengthening their flagship operations at the Manila International Container Terminal, they launched an international and domestic expansion program, and today, they operate in many countries across the world, employing more than 9,000 people.

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.

The International Institute of Marine Surveying (IIMS) is an award-winning, independent, non-political organisation promoting the professionalism, recognition and training of marine surveyors worldwide, formed in 1991.

International Jack Up Barge Operators Association have now evolved into an Scottish Qualifications Authority (SQA) accredited training association, recognised by the Health and Safety Executive (HSE) and the Marine and Coastguard agency (MCA) and have numerous full, associate and honorary members.

IMC was founded as International Marine Consultancy in 1996 as a privately held brokerage firm that specialized in towage, sale & purchase and chartering. The headquarters of IMC are located in Antwerp, Belgium. IMC is frequently called upon by dredging contractors, construction companies and renewable energy developers to source suitable floating equipment to support a variety of maritime projects, worldwide.

the International Marine Contractors Association mission is to improve performance in the marine contracting industry.

International Marine Supply Aps (IMS) was established in 1987 by Jens Boldreel which for many years had been a traditional general ship chandler. Martin Boldreel (son of Jens) joined the company in 1988 and the company began to concentrate on supplying ship spare parts primarily of Scandinavian origin.

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.

IMPA represents the international community of pilots. the resources of our membership to promote effective safety outcomes in pilotage as an essential public service. Existing and emerging information technologies are capable of enhancing on-board decision making by the maritime pilot.

The International Maritime Rescue Federation (IMRF) is the international non-governmental organisation (NGO) working to develop and improve maritime search and rescue (SAR) capacity around the world, improving maritime SAR capability worldwide.

Since 1985, IMS has provided global ship delivery solutions. On-keel ship delivery, management, and crew training are the services on which our reputation has been forged, while Heavy Lift and Ship Agent services augment our core service delivery. We have a proud history punctuated by success, and a demonstrated ability to deliver any seaworthy vessel to and from any port across the globe while providing technical management and crew training .

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.

International Submarine Engineering (ISE) has been a pioneer in the design and integration of autonomous and remotely operated robotic vehicles and terrestrial robotics since 1974.

International Tanker Management (ITM) have 30 years of unrivalled extensive knowledge and experience in the safe, professional and economic ship management of oil and chemical tankers. Acting as a consultative partner for its customers, ITM guides the way through the extensive and varied challenges facing shipping industry.