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.

Intermarine has been providing the most reliable liner services in the Americas for 30 years. The team has the industry knowledge and technical expertise to provide the best solutions for customers’ unique and changing transportation 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.

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.

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.

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.

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.

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.

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

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

The Maritime Knowledge Centre (MKC) provides collections, information resources and services to support the IMO Secretariat, Member States, representatives and delegates. Its specialized collections comprise the archives of official documents and IMO Publications. The MKC also collects resources covering maritime affairs, shipping and other subjects relevant to the work of the Organization.

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.

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.

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.

Inverlussa Marine Services is one of Scotland’s leading workboat operators, with a fleet of modern vessels servicing contracts throughout the UK and Europe. We pride ourselves in providing a safe, professional service, ensuring the best solution for our customers.

Established in February 2019, iO3 PTE LTD. was established to adopt an innovative approach in the digital evolution for maritime customers today. They communicate and operate efficiently and safely in challenging maritime environments. Their digitalisation platform has been specifically designed to support enhanced integrated solutions, asset optimisation, and delivery of secured critical applications globally.

IPU Group is a privately owned OEM and distributor based in the heart of the UK in the West Midlands. Founded in 1959, built a wealth of knowledge over the last 60 years that to bring to the fore in working with our customers to provide solutions specific to their needs.

Irish Continental Group plc is the leading Irish-based maritime transport group. They carry passengers and cars, Roll on Roll off (RoRo) freight and Container Lift on Lift off (LoLo) freight, on routes between Ireland, Britain and Continental Europe. They also operate container terminals in the ports of Dublin and Belfast. The Group also carries out ship chartering activities.

Irish Ferries is an Irish ferry and transport company that operates passenger and freight services on routes between Ireland, Britain and Continental Europe, including Dublin Port–Holyhead; Rosslare Europort to Pembroke as well as Dublin Port-Cherbourg in France.

The Isalos.net initiative has as its main purpose the connection of the maritime community with the new generation while at the same time it is a knowledge platform for the developments and experiences from the maritime industry and maritime daily life.

Island Ropes & Rigging are a team of rope and industry professionals that have come together to deliver synthetic rope and cord solutions to the winching & lifting, working at height, commercial marine and, leisure marine sectors as well as ropes for a plethora of applications. Working with large stock levels and an in-house rope splicing & rigging team enables us to turn most orders around within days.

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.