International and intergovernmental Organisations, Agencies and Offices based at the Vienna International Center:
• Independent International Commission of Inquiry on Ukraine
• International Narcotics Control Board (INCB)
• Office of Internal Oversight Services (OIOS)
• Renewable Energy and Energy Efficiency Partnership (REEEP)
• United Nations Environment Programme (UNEP)
• United Nations Environment Programme – Interim Secretariat of the Carpathian Convention (UNEP Vienna ISCC)
• United Nations High Commissioner for Refugees – National Office (UNHCR)
• United Nations Information Service (UNIS)
• United Nations Liaison Office for Peace and Security in Vienna (UNLOPS Vienna)
• United Nations Office for Disarmament Affairs (UNODA)
• United Nations Office for Project Services (UNOPS)
• United Nations Postal Administration (UNPA)
• United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR)
International and intergovernmental Organisations, Agencies and Offices based in Vienna, outside the Vienna International Center:
• Energy Community – Secretariat (EC)
• European Centre for Social Welfare Policy and Research (ECSWPR)
• European Investment Bank Office (EIB)
• European Patent Office (EPO)
• European Space Policy Institute (ESPI)
• European Union Agency for Fundamental Rights (FRA)
• Immediate Central Contact for The Hague Code of Conduct (HCoC)
• International Anti-Corruption Academy (IACA)
• International Centre for Migration Policy Development (ICMPD)
• International Commission for the Protection of the Danube River (ICPDR)
• International Institute for Applied System Analysis (IIASA)
• International Monetary Fund – Regional Resident Representative Office for the Western Balkans
• International Organization for Migration (IOM)
• OPEC Fund for International Development (OFID)
• Organization of the Petroleum Exporting Countries (OPEC)
• Organization for Security and Co-operation in Europe (OSCE)
• Wassenaar Arrangement on export controls for conventional arms and dual-use goods and technologies