AIVP – International Association Cities and Ports
Baltic Icebreaking Management (BIM)
Baltic Marine Environment Protection Commission (Helsinki Commission – HELCOM)
British Chamber of Shipping
Bureau International des Containers et du Transport Intermodal
Caterers Offshore Trade Association (COTA)
Chamber of Maritime Commerce
Comité des Armateurs fluviaux
Comité Maritime International (CMI)
Committee of E.U. Shipbuilders’ Association (CESA)
Confederation of European Shipmasters’ Associations
Conference of Peripheral Maritime Regions of Europe (CRPM)
Container Owner Association (COA)
Convention for the Protection of the Marine Environment of the North-East Atlantic (OSPAR)
European Association of Professional Portside Storekeepers for Agribulk Commodities (UNISTOCK)
European Barge Union (EBU)
European Community Association of Ship Brokers and Agents (ECASBA)
European Dredging Association (EUDA)
European Environment Agency (EEA)
European Marine Observation and Data Network (EMODnet)
European Maritime Safety Agency
European Shippers’ Council
Federation of European Maritime Associations of Surveyors and Consultants (FEMAS)
Federation of National Associations of Ship Brokers and Agents (FONASBA)
Hellenic Chamber of Shipping
Inland Navigation Europe (INE)
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC)
International Association of Classification Societies (IACS)
International Association of Marine Aids to Navigation and Lighthouse Authorities
International Association of Maritime Economists (IAME)
International Association of Maritime Institutions IAMI)
International Association of Ports and Harbors (IAPH)
International Chamber of Commerce (ICC)
International Chamber of Shipping (ICS)
International Federation of Shipmasters’ Associations (IFSMA)
International Harbour Masters’ Association (IHMA)
International Marine Contractors Association (IMCA)
International Maritime Bureau
International Maritime Health Association (IMHA)
International Maritime Organisation (IMO)
International Maritime Pilots’ Association (IMPA)
International Pipe Line and Offshore Contractors Association (IPLOCA)
International Salvage Union (ISU)
International Seabed Authority (ISA)
International Seafarers’ Welfare & Assistance Network (ISWAN) 
International Standard for Maritime Pilot Organisations (IPSO)
International Tanker Owners Pollution Federation (ITOPF)
International Transportation Safety Association (ITSA)
Marine Society
Marine Training 
Oil Companies International Marine Forum (OCIMF)
Paris Memorandum of Understanding on Port State Control
Society of International Gas Tanker and Terminal Operators (SIGTTO)
Society of Maritime Industries Limited
The Mission to Seafarers
Turkish Chamber of Shipping
UN Conference on Trade and Development (UNCTAD)
World Association for Waterborne Transport Infrastructure
World Maritime University
World Meteorological Organisation (WMO)