The Tribunal is competent to hear complaints against the following organizations (by order of recognition of its jurisdiction):

• International Labour Organization (ILO), including the International Training Centre (ITCILO)
• World Health Organization (WHO), including the Pan American Health Organization (PAHO)
• United Nations Educational, Scientific and Cultural Organization (UNESCO)
• International Telecommunication Union (ITU)
• World Meteorological Organization (WMO)
• Food and Agriculture Organization of the United Nations (FAO),
  including the World Food Programme (WFP)
• European Organization for Nuclear Research (CERN)
• World Trade Organization (WTO)
• International Atomic Energy Agency (IAEA)
• World Intellectual Property Organization (WIPO)
• European Organisation for the Safety of Air Navigation (Eurocontrol)
• Universal Postal Union (UPU)
• European Southern Observatory (ESO)
• Intergovernmental Council of Copper Exporting Countries (CIPEC)
• European Free Trade Association (EFTA)
• Inter-Parliamentary Union (IPU)
• European Molecular Biology Laboratory (EMBL)
• World Tourism Organization (WTO)
• European Patent Organisation (EPO)
• African Training and Research Centre in Administration for Development (CAFRAD)
• Intergovernmental Organisation for International Carriage by Rail (OTIF)
• International Center for the Registration of Serials (CIEPS)
• International Office of Epizootics (OIE)
• United Nations Industrial Development Organization (UNIDO)
• International Criminal Police Organization (Interpol)
• International Fund for Agricultural Development (IFAD)
• International Union for the Protection of New Varieties of Plants (UPOV)
• Customs Co-operation Council (CCC)
• Court of Justice of the European Free Trade Association (EFTA Court)
• Surveillance Authority of the European Free Trade Association (ESA)
• International Service for National Agricultural Research (ISNAR) (until 14 July 2004)
• International Organization for Migration (IOM)
• International Centre for Genetic Engineering and Biotechnology (ICGEB)
• Organisation for the Prohibition of Chemical Weapons (OPCW)
• International Hydrographic Organization (IHO)
• Energy Charter Conference (ECC)
• International Federation of Red Cross and Red Crescent Societies
• Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO PrepCom)
• European and Mediterranean Plant Protection Organization (EPPO)
• International Plant Genetic Resources Institute (IPGRI)
• International Institute for Democracy and Electoral Assistance (International IDEA)
• International Criminal Court (ICC)
• International Olive Oil Council (IOOC)
• Advisory Centre on WTO Law
• African, Caribbean and Pacific Group of States (ACP Group)