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.

IALA is a non-profit, international technical association. Established in 1957, it enables marine aids to navigation authorities, manufacturers, consultants, and, scientific and training institutes from all parts of the world to exchange and compare their experiences, achievements, and technical and operational policies via participation in IALA Technical Committees.

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.

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.

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.

International Foundation for Aids to Navigation (IFAN) is an international association that promotes safety at sea and aids to navigation through the world's busiest chokepoints and shipping routes.

International Freight Forwarders provides Cross border shipment for USA & Canada. They also provide temperature controlled and highly secure rail/truck shipments.

The International Harbour Masters' Association is the professional body for those with responsibility for the safe, secure, efficient and environmentally sound conduct of marine operations in port waters.

International marine coatings is a pioneer in marine, yacht, and protective coatings. They deliver anti-corrosive and fire protection, fouling control technologies, and aesthetic solutions for on and offshore. International marine coatings is a brand of AkzoNobel.

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.

International Marine Consultants (IMC) provides comprehensive risk management and technical consulting services to the petroleum trading and marine transportation industries.

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 Industries is the largest integrated, full service maritime yard in MENA offering competitive, safe, high quality and on-time solutions to ship and rig customers around the globe.

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 2013 IMRRA has delivered a step-change in monitoring vessel safety indicators. Every vessel is also risk assessed for USA sanctions, Terrorist threats to marine terminals & operations, Radioactive contamination, Illegal Immigration, and Drug trafficking.

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 .

International Registries, Inc. and its affiliates (IRI) provide administrative and technical support to the Republic of the Marshall Islands (RMI) Maritime and Corporate Registries. IRI has been administering maritime and corporate programs and has been involved in flag State administration since 1948.

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 Seaways provides shipping services to customers through voyage charters, commercial pools and time charters. The company enjoys close long term working relationships with its key commercial and technical management partners, and views the continued development of these relationships as crucial to its continued success.

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.

The International Transport Forum at the OECD is an intergovernmental organisation with 63 member countries. It acts as a think tank for transport policy and organises the Annual Summit of transport ministers. ITF is the only global body that covers all transport modes. The ITF is administratively integrated with the OECD, yet politically autonomous.

ITIC is the provider of professional indemnity insurance to the marine sector. Globally, ITIC provides professional indemnity insurance . ITIC understands the market, the terminology and the delicate nature of the commercial relationships within the many specialist facets of the marine sector.

Interorient Marine Services (Germany) GmbH & Co. KG was founded in 1995 as a liaison office for Interorient vessels passing through Northern Europe and as a representative office for the promotion of the group activities in Germany.

Intership is one of the few globally operating wellboat companies, with a modern and young fleet. They have the opportunity to ensure this through their advanced vessels that utilise innovations and modern systems to offer the transport of live fish in a safe, environmentally friendly, and sustainable way.