| Argentina | SERVICIO DE HIDROGRAFÍA NAVAL | NODC | | | 1 | | 2 | 1 | | | | | 4 |
| Argentina | CCT CENPAT-CONICET | | ADU | | 1 | 1 | 1 | | | | | | 3 |
| Australia | University of Tasmania | NODC | | | 4 | 7 | | 9 | 1 | | | | 21 |
| Australia | CSIRO National Collections and Marine Infrstructure (NCMI) Data Centre | | ADU | | 1 | | 6 | | | | | | 7 |
| Belgium | VLIZ | NODC | | | 4 | 21 | 12 | 2 | | | | | 39 |
| Belgium | Belgian Marine Data Centre, Royal Belgian Institute of Natural Sciences | NODC | | | 1 | 5 | | 1 | 1 | | | | 8 |
| Belgium | SCAR/Antarctic OBIS | | ADU | | 1 | 1 | | 1 | | | | | 3 |
| Bénin | Institut de Recherches Halieutiques et Océanologiques du Bénin (IRHOB) | NODC | | | | 3 | 2 | | 3 | 2 | 7 | | 17 |
| Brazil | Brazilian Navy Hydrographic Center | NODC | | | 2 | 3 | 9 | 2 | 2 | 1 | 1 | 0 | 20 |
| Brazil | Universidade Federal do Espírito Santo, Benthic Ecology Group, The Long-term Ecological Research Program Coastal Habitats of Espírito Santo (PELD HCES) | | ADU | | 1 | 2 | 1 | 1 | 0 | 0 | 2 | 2 | 9 |
| Bulgaria | BGODC | NODC | | | 1 | 2 | 1 | 1 | | | | | 5 |
| Canada | Ocean Tracking Network, Dalhousie University | | ADU | | 3 | 1 | 7 | | 1 | | 1 | | 13 |
| Canada | Department of Fisheries and Oceans | NODC | | | | | | | | | | | 0 |
| Chile | Hydrographic and Oceanographic Service of the Chilean Navy | NODC | | | | 3 | | 1 | | | | | 4 |
| China | NMDIS | NODC | | | 35 | 220 | 37 | 20 | 5 | 3 | 2 | | 322 |
| Colombia | General Maritime Directorate | NODC | | | | 1 | | 1 | 1 | | 2 | | 5 |
| Colombia | INVEMAR | | ADU | | 16 | 303 | 52 | 5 | 31 | 0 | 28 | 0 | 435 |
| Côte d’Ivoire | CENTRE DE RECHERCHES OCEANOLOGIQUES | NODC | | | 11 | 30 | 30 | 7 | 26 | 41 | 20 | | 165 |
| Cyprus | ORION Research Institution | | ADU | | | 2 | | 1 | 1 | 2 | | | 6 |
| D R Congo | Ministry of Environment/Water Resources | NODC | | | 4 | 10 | 3 | 3 | 2 | 2 | 10 | 10 | 44 |
| Denmark | GBIF Secretariat | | ADU | | 5 | 1 | 8 | 3 | 4 | | | | 21 |
| Denmark | International Council for the Exploration of the Sea | | ADU | | 1 | 5 | 7 | | 1 | 1 | 1 | | 16 |
| Egypt | National Institute of Oceanography and Fisheries (NIOF) | NODC | | | | 1 | 4 | 1 | | | | | 6 |
| Estonia | Tallinn University of Technology | | | X | 1 | 1 | 1 | 1 | | | | | 4 |
| Finland | Finnish Meteorological Institute | | | X | | 1 | 1 | | | | | | 2 |
| France | Ifremer | NODC | | | 5 | 20 | 13 | 10 | 2 | 10 | 2 | | 62 |
| Georgia | Iv.Javakhishvili Tbilisi State University (TSU) | | ADU | | 1 | 1 | | 1 | 1 | | 3 | | 7 |
| Germany | Federal Maritime and Hydrographic Agency | NODC | | | | 1 | 3 | 2 | | 3 | | | 9 |
| Greece | HCMR | | ADU | | 1 | 2 | 1 | 1 | | | | | 5 |
| Greece | Hellenic Centre for Marine research/ Hellenic National Oceanographic Data Centre (HCMR/HNODC) | NODC | | | 1 | 3 | | 2 | | | | | 6 |
| Guinée | Centre de Recherche Scientifique de Conakry Rogbanè (CERESCOR) | NODC | | | 2 | 3 | 2 | | 1 | | | | 8 |
| Hrvatska (Croatia) | Institute of oceanography and fisheries | NODC | | | 1 | 1 | 1 | 2 | | 2 | | | 7 |
| Iceland | CAFF | | ADU | | 1 | | 1 | | | | | | 2 |
| India | Indian National Center for Ocean Information Services, MoES, Govt. of India | NODC | | | 1 | 5 | 2 | 2 | | 6 | 2 | | 18 |
| Indonesia | BPPT | NODC | | | 3 | 3 | 2 | 2 | 1 | | | | 11 |
| Iran (Islamic Republic of) | Iranian National Institute for Oceanography and Atmospheric Sciences (INIOAS) | NODC | | | 1 | | 2 | | | | | | 3 |
| Ireland | Marine Institute | NODC | | | 4 | | 16 | 5 | 1 | | | | 26 |
| Italy | National Institute of Oceanography and Applied Geophysics | NODC | | | 1 | 3 | 2 | 2 | | 1 | | | 9 |
| Japan | Japan Oceanographic Data Center | NODC | | | 1 | | 5 | | 1 | 1 | | | 8 |
| Japan | JAMSTEC | | ADU | | 1 | | 1 | | | 1 | | | 3 |
| Kazakhstan | Republican State-owned Enterprise “KazHydromet” | NODC | | | | 6 | | | | | | | 6 |
| Kenya | Kenya Marine and Fisheries Research Institute | NODC | | | 2 | 2 | 2 | 1 | 1 | | 4 | 2 | 14 |
| Korea (Republic of) | Korea Oceanographic Data Centre (NIFS/KODC) | NODC | | | 4 | 8 | 6 | 4 | 3 | 0 | 0 | 0 | 25 |
| Malaysia | Institute of Oceanography and Environment, UMT | | ADU | | 2 | 4 | 2 | 1 | 1 | 0 | 4 | 0 | 14 |
| Mauritania | IMROP | NODC | | | 3 | 10 | 10 | | 3 | | | | 26 |
| Mexico | SEP Mexico | NODC | | | | 1 | 1 | | | | | | 2 |
| Mozambique | Instituto Nacional de Hidrografia e Navegação | NODC | | | 1 | 2 | 1 | 1 | 1 | | | | 6 |
| Netherlands | NIOZ Royal Netherlands Institute for Sea Research | NODC | | | | | | | | | | | 0 |
| New Zealand | National Institute of Water & Atmospheric Research | NODC | | | 1 | 2 | 2 | 1 | 1 | | | | 7 |
| Norway | Institute of Marine Research | NODC | | | 1 | | 18 | | | | | 1 | 20 |
| Perú | Dirección de Hidrografía y Navegación | NODC | | | 1 | 1 | 1 | 1 | | 1 | | | 5 |
| Philippines | ASEAN Centre for Biodiversity | | ADU | | 1 | 2 | 3 | 2 | 1 | 2 | | | 11 |
| Portugal | Instituto Hidrografico | | | X | 16 | 75 | 40 | 5 | 38 | | 10 | | 184 |
| Romania | National Institute for Marine Research and Development “Grigore Antipa” | NODC | | | | | | | | | | | 0 |
| Russian Federation | RIHMI-WDC | NODC | | | 8 | 3 | 2 | 3 | 1 | | 2 | | 19 |
| Sénégal | Centre de Recherches Océanographiques de Dakar-Thiaroye | NODC | | | 1 | 2 | 1 | | | | | | 4 |
| Slovenia | National Institute of Biology | NODC | | | 1 | 1 | | 1 | | | | | 3 |
| South Africa | Department of Environment, Forestry and Fisheries | NODC | | | 2 | 2 | 5 | 3 | 3 | 0 | 0 | 0 | 15 |
| Spain | SOCIB-ICTS | | ADU | | 1 | 2 | 6 | 2 | 1 | | | | 12 |
| Spain | Ins. Esp. Oceanografia (IEO) | NODC | | | 1 | | 1 | | | 1 | 1 | | 4 |
| Sweden | SMHI | NODC | | | 1 | 14 | 2 | 0 | 1 | 1 | 0 | 0 | 19 |
| Tanzania (United Republic of) | University of Dar es Salaam, Institute of Marine Sciences | NODC | | | 3 | 23 | 6 | 2 | 4 | 2 | 3 | 1 | 44 |
| Togo | Université de Lomé | NODC | | | | | | | | | | | 0 |
| Trinidad and Tobago | Institute of Marine Affairs | | | X | 10 | 18 | 20 | 5 | 6 | | | | 59 |
| Turkey | Office of Navigation, Hydrography and Oceanography | NODC | | | | | | | | | | | 0 |
| Ukraine | UkrSCES | NODC | | | 4 | 62 | 10 | 6 | 4 | 12 | 6 | | 104 |
| United Kingdom | Cefas – Centre for Environment, Fisheries and Aquaculture Science | | ADU | | | | | | | | | | 0 |
| United Kingdom | British Oceanographic Data Centre (BODC), National Oceanography Centre (NOC) | NODC | | | 5 | 30 | 10 | | | | | | 45 |
| United Kingdom | Marine Biological Association | | ADU | | 1 | | 4 | | | | | | 5 |
| United States | BCO-DMO (at WHOI) | | ADU | | 2 | | 7 | | | 2 | | | 11 |
| United States | NOAA NCEI | NODC | | | | | | | | | | | 0 |