| Official Name | City | Country | Phone | Fax | |
| Adaptation Fund Board (AFB) Ms. Sophie Hans-Moevi | Washington DC | United States of America | +1 202 458 7347 | +1 202 522 3240 | afbsec@adaptation-fund.org |
| African Capacity Building Foundation (ACBF) Mr. Eric Nyakpo | Harare | Zimbabwe | +263242304663 | +263242303071 | A.Mwakalinga@acbf-pact.org |
| African Centre of Meteorological Application for Development (ACMAD) Ms. Safia Alfa | Niamey | Niger | (227-20) 72-3627 | (227-20) 72-3627 | contact@acmad.org |
| African Development Bank Group (AfDB) Mr. Arona Soumare | Abidjan | Côte d'Ivoire | +225 2720262287 | +225 2720320170. | afdb@afdb.org |
| African Regional Centre for Technology (ARCT) Mr. Ousmane Kane | Dakar | Senegal | (221)23-7712 | (221)23-7713 | arct@sonatel.senet.net |
| African Union Commission (AUC) Mr. Harsen Nyambe Nyambe | Addis Ababa | Ethiopia | (251-115) 51-7700 | (251-115) 51-7844 | nyambeh@africaunion.org |
| ASEAN Centre for Biodiversity (ACB) Ms. Theresa Mundita Lim | Los Banos | Philippines | +6349 536 2865 | acb.oed@aseanbiodiversity.org | |
| Asian Development Bank (ADB) Ms. Esmyra Javier | Mandaluyong City | Philippines | (63-2) 632-4444 | (63-2) 636-2444 | ejavier@adb.org |
| Asian Disaster Preparedness Center (ADPC) Mr. Weerapon Sripongchai | Bangkok | Thailand | +6622980681 | adcp@adpc.net | |
| Asian Forest Cooperation Organization (AFoCO) Mr. Yeongjoo Lee | Seoul | Republic of Korea | 8227858971 | 8227858970 | contact@afocosec.org |
| Asian Infrastructure Investment Bank (AIIB) Mr. Xing Zhang | Beijing | China | +86-10-8358-0000 | +86-10-8358-0000 | information@aiib.org |
| Asian Productivity Organization (APO) Mr. Yasuko Asano | Tokyo | Japan | (81-3)3830 0415 | (81-3)3830 5324 | rp@apo-tokyo.org |
| Asian-African Legal Consultative Organization (AALCO) H.E. Mr. Roy Lee | New Delhi | India | (91-11) 2611-7641 / 2419-7000 | (91-11) 2611-7640 | mail@aalco.int |
| Association of Caribbean States (ACS-AEC) Sra. Ana Leticia Ramirez Cuevas | Port of Spain | Trinidad and Tobago | 6229575 | 6221653 | secgen@acs-aec.org |
| Association of Natural Rubber Producing Countries (ANRPC) Lekshmi Nair | Kuala Lumpur | Malaysia | +60321611900 | +60321613014 | secretariat@anrpc.org |
| Association of Southeast Asian Nations (ASEAN) Mr. Vong Sok | Jakarta Selatan | Indonesia | (62-21)726-2991/724-3372 | (62-21)724-3502/739-8234 | environment@asean.org |
| Autorité de développement intégré de la région du Liptako-Gourma (ALG) Ms. Kadiatou Sy | Ouagadougou | Burkina Faso | 226 50 30 61 48/49 | 226 50 30 85 88 | se@liptakogourma.org |
| Banco Centroamericano de Integraci?n Econ?mica (BCIE - CABEI) Mr. Manfred Kopper | Tegucigalpa | Honduras | (504) 2240-2231 | (504) 2240-2183 | mkopper@bcie.org |
| Banque Ouest Africaine de Developpement (BOAD) Mr. Ibrahim Traore | Lome | Togo | (228) 22215906/ 22214244/ 22210113 | (228) 22215267 / 22217269 | boadsiege@boad.org |
| Black Sea Trade and Development Bank (BSTDB) Mr. Mircea Cojocaru | Thessaloniki | Greece | (30) 2310290400 | info@bstdb.org | |
| CAB International (CABI) Ms Srijita Dasgupta | Wallingford | United Kingdom of Great Britain and Northern Ireland | +44 1491 829147 | (44-149)183-3508 | enquiries@cabi.org |
| Caribbean Community Climate Change Centre (CCCCC) Ms. Ethlyn Valladares | Belmopan | Belize | (501) 822-1104 / 1094 | (501) 822-1365 | info@caribbeanclimate.bz |
| Caribbean Community Secretariat (CARICOM) Ms. Patricia Ann Nelson | Georgetown | Guyana | (592)2-2200-01 to 75 | (592)222-0171 | registry@caricom.org |
| Caribbean Development Bank (CDB) Ms. Valerie Isaac | St. Michael | Barbados | (1-246)431-1600 | (1-246)426-7269 | info@caribank.org |
| Caribbean Export Development Agency (Caribbean Export) Ms. Edna Simpson | Barbados | Barbados | +12464360578 | Caribbean Export Development Agency | dmaharaj@carib-export.com |
| Caribbean Meteorological Organization (CMO) Ms. Arlene Laing | Port of Spain | Trinidad and Tobago | (1-868)622-4711 | (1-868)622-0277 | cmohq@cmo.org.tt |
| Center for International Forestry Research (CIFOR) Mr. Christopher Martius | Bogor | Indonesia | (62-251) 862-2622 | (62-251) 862-2100 | cifor@cgiar.org |
| Centre for Environment & Development for Arab Region & Europe (CEDARE) Ms. Mayar Sabet | Cairo | Egypt | +2 02 2451 3921/2/3/4 | (20-2)2451 3918 | mail@cedare.int |
| Centro de Coordinación para la Prevención de los Desastres Naturales en America Central (CEPREDENAC) Ms. Marta Garcia Garcia | Ciudad de Guatemala | Guatemala | +502 45745517 | avaldes@cepredenac.org | |
| Centro del Agua del Trópico Húmedo para América Latina y el Caribe (CATHALAC) Ms. Marianna Josefina Cusimano | Ciudad de Panama | Panama | (507)317-3200 | (507)317-3299 | cathalac@cathalac.org |
| Centro Internacional de Mejoramiento de Maíz y Trigo (CIMMYT) (CIMMYT) Mr. Tek Sapkota | Texcoco | Mexico | +52 (55) 5804 2004 | t.sapkota@cgiar.org | |
| CGIAR System Organization (CGIAR) Ms. Aditi Mukherji | Montpellier Cedex 5 | France | +33467047575 | unfccc@cgiar.org | |
| Coalition for Disaster Resilient Infrastructure (CDRI) Ms. Suchismita Mukhopadhyay | New Delhi | India | +91-11-4044-5999 | info@cdri.world | |
| Comisión Centroamericana de Ambiente y Desarrollo (CCAD) Mr. Jair Urriola Quiroz | Antiguo Cuscatlán | El Salvador | (503) 2248-8843 | (503) 2248-8894 | seccad@sica.int |
| Comisión Permanente del Pacífico Sur (CPPS) Mr. Mario Alberto Palacios | Guayaquil | Ecuador | (593-4)222-1202/1203 | (593-4)222-1201 | sgeneral@cpps-int.org |
| Comité Intergubernamental Coordinador de los Países de la Cuenca del Plata (CIC) Mr. Juan Carlos Alurralde | Buenos Aires | Argentina | +54 11 4312 13 2506 / 2272 | +54 11 4312 13 2506 / 2272 | alurralde@cicplata.org |
| Comité permanent Inter-Etats de Lutte contre la Sécheresse dans le Sahel (CILSS) Mr. Assoumana Boubacar Toukal | Ouagadougou 03 | Burkina Faso | (226) 25 499600 / (226) 25 374125/26 | (226) 25 37 41 32 | administration.se@cilss.int |
| Commission de l'océan Indien (COI) Ms. Gina Bonne | Ebene | Mauritius | +230 402 6100 | +230 465 6303 | secretariat@coi-ioc.org |
| Commission de l'Union Economique et Monétaire Ouest Africaine (UEMOA) Mr. Christophe Deguenon | Ouagadougou 01 | Burkina Faso | (226) 5031-8873 | (226) 5031-8872 | cdeguenon@uemoa.int |
| Commission des Forêts d'Afrique Centrale (COMIFAC) M. Chouaibou Nchoutpouen | Yaounde | Cameroon | (237-22) 21-3511 | (237-22) 21-3512 | comifac@comifac.org |
| Commission for Environmental Cooperation (CEC) Ms. Nathalie Daoust | Montreal | Canada | (1-514)350-4300 | (1-514)350-4314 | ndaoust@cec.org |
| Commission on Science and Technology for Sustainable Development in the South (COMSATS) Huma Balouch | Islamabad | Pakistan | +92-51-9214515 | +92-51-9216539 | irfan@comsats.org |
| Common Market for Eastern and Southern Africa (COMESA) Ms. Edith Tibahwa Bagambe | Lusaka | Zambia | (260-211) 22-9725 / 32 | (260-211) 22-5107 | secgen@comesa.int |
| Commonwealth Foundation Ms. Anne Therese Gallagher | London | United Kingdom of Great Britain and Northern Ireland | (44-20) 7747-6506 | (44-20) 7839-8157 | t.andrews@commonwealth.int |
| Commonwealth Secretariat (COMSEC) Ms. Uzoamaka Nwamarah | London | United Kingdom of Great Britain and Northern Ireland | +44 75 87 63 45 92 / +44 20 7747-6500 | +44-20 7004 3745 | r.kattumuri@commonwealth.int |
| Communauté économique et monétaire de l'Afrique centrale (CEMAC) M. Pierre Randah | Bangui | Central African Republic | (236)61-2135 | (236)61-2135 | sgudeac@intnet.cf |
| Congress of Local and Regional Authorities of the Council of Europe (The Congress) Ms Irina Sahakyan-Vetter | Strasbourg | France | +33 3 88 41 21 10 | Congress.adm@coe.int | |
| Convention on Wetlands of International Importance especially as Waterfowl Habitat (Ramsar Convention) Ms. Rachel Allen | Gland | Switzerland | +41 22 999 0170 | (41-22) 999-0169 | ramsar@ramsar.org |
| Cooperation Council for The Arab States of the Gulf (GCC) Mr. Mohammad Alrashidi | Riyadh | Saudi Arabia | +966114827777 | (966-1)482-9089 | sgo@gccsg.org |
| Corporación Andina de Fomento (CAF) Ms. Martha Patricia Castillo | Caracas | Venezuela (Bolivarian Republic of) | (58-212)209-2111 | (58-212)209-2437 | mcastillo@caf.com |
| Council of Europe (COE) Mr. Rafael Benitez | Strasbourg | France | (33-3) 8841-2000 | (33-3) 8841-2717 | assembly@coe.int |
| Council of Europe Development Bank (CEB) Mr. Carel Cronenberg | Paris | France | +33147555508 | carel.cronenberg@coebank.org | |
| East African Community (EAC) Mr. Simon Wathigo Kiarie | Arusha | Kenya | +255272162100 | +255272162190 | eac@eachq.org |
| East Mediterranean Gas Forum Mr. Amr Ashraf | Cairo | Egypt | Secretariat@emgf.org | ||
| Economic Community of Central African States (CEEAC) M. Semingar Ngaryamngaye | Libreville | Gabon | +24011444732 | +241011444732 | commission@ceeac-eccas.org |
| Economic Community of West African States (ECOWAS) M. Konan Raoul Kouamé | Abuja | Nigeria | (+234 9) 314 7647-9, 314 7427-9 | (+234 9) 314 7646, 314 3005 | info@ecowas.int |
| Economic Cooperation Organization (ECO) Mr. Fuad Farzalibeyov | Tehran | Iran (Islamic Republic of) | +982122831733 | +982122831732 | ss.doccenter@eco.int |
| ECOWAS Regional Centre for Renewable Energy and Energy Efficiency (ECREEE) Mr. Francis Sempore | Praia | Cabo Verde | (238) 260-4630 | info@ecreee.org | |
| Energy Charter Conference (ECS) Ms. Ishita Pant | Brussels | Belgium | +32 2775-9812 | info@encharter.org | |
| Energy Community Secretariat (ECS) Ms. Monika Figaj | Vienna | Austria | +4315352222214 | +43153522222 | inga.prokojeva@energy-community.org |
| EU LAC International Foundation Mr. Adrián Bonilla | Hamburg | Germany | +49 (0)40 80 60 11 45 0 | info@eulacfoundation.org | |
| EUCLID (Euclid University / Pôle Universitaire Euclide) Mr. Robin van Puyenbroeck | Bangui | Central African Republic | 236 72045502 | official@euclid.int | |
| Eurasian Development Bank (EDB) Mr. Mikhail Panchenko | Almaty | Kazakhstan | + 7 727 244 40 44 | info@eabr.org | |
| EUROFISH International Organisation (EUROFISH) Mr. Gilles van de Walle | Copenhagen | Denmark | (45) 3337-7755 | (45) 3337-7756 | gilles.vandewalle@eurofish.dk |
| European Bank for Reconstruction and Development (EBRD) Mr. Dzmitry Halubouski | London | United Kingdom of Great Britain and Northern Ireland | (44-20) 7338-6000 | (44-20) 7338-6100 | haluboud@ebrd.com |
| European Centre for Medium-Range Weather Forecasts (ECMWF) Mr. Fabio Venuti | Reading | United Kingdom of Great Britain and Northern Ireland | +44 118 949 9000 | ECMWF | fabio.venuti@ecmwf.int |
| European Forest Institute (EFI) Mr. Jerker Brolén | Joensuu | Finland | (358-10) 773-4300 | efisec@efi.int | |
| European Free Trade Association (EFTA) Mr. Johannes Schwarzer | Geneva | Switzerland | (41-22)3322626 | (41-22)733-9291 | mail.gva@efta.int |
| European Investment Bank (EIB) Mr. Ambroise Fayolle | Luxembourg | Luxembourg | (35-2) 4-3791 | (35-2) 43-7904 | info@eib.org |
| EUROPEAN MOLECULAR BIOLOGY LABORATORY (EMBL) Mr. Brendan Rouse | Heidelberg | Germany | sustainability@embl.org | ||
| European Patent Office (EPO) Mr. Gerard Owens | Munich | Germany | (49-89) 2-3990 | (49-89) 2399-4560 | gowens@epo.org |
| European Space Agency (ESA) Mr. Frank Martin Seifert | Paris | France | (33-1) 5369-7654 | (33-1) 5369-7560 | contactesa@esa.int |
| European University Institute (EUI) Mr. Albert Ugo Alex Ferrari | San Domenico di Fiesole (FI) | Italy | (39-055)4-6815 | (39-055)468-5444 | EUI.climate@eui.eu |
| Facultad Latinoamericana de Ciencias Sociales (FLACSO) Ms. María Sáenz Breckenridge | Curridabat | Costa Rica | 506-22530028 | info@flacso.org | |
| Fondo para el Desarrollo de los Pueblos Indígenas de América Latina y el Caribe (FILAC) Ms. Amparo Morales | La Paz | Bolivia (Plurinational State of) | +591 22423233 | filac@filac.org | |
| FONPLATA Banco de Desarrollo (FONPLATA) Ms. Karina Pereira | Santa Cruz de la Sierra | Bolivia (Plurinational State of) | +5913315 9400 | secretariainstitucional@fonplata.org | |
| Fundacion PRIMA (PRIMA) Mr. Omar Amawi | Barcelona | Spain | (+34) 930190823 | PRIMA | mariela.henriquez@prima-med.org |
| Gas Exporting Countries Forum (GECF) Ms. Masoumeh Moradzadeh Abghad | Doha | Qatar | +974 4404 8400/09 | +974 4404 8415/16 | sg.office@gecf.org |
| Global Biodiversity Information Facility (GBIF) Ms. Susanne Lønstrup Sheldon | Copenhagen | Denmark | (45-35) 32-1470 | (45-35) 32-1480 | gbif@gbif.org |
| Global Crop Diversity Trust Ms. Laura Marshall | Bonn | Germany | events@croptrust.org | ||
| Global Development Network (GDN) Mr. Francesco Obino | New Delhi | India | +91 11 4323 9494 | fobino@gdn.int | |
| Global Green Growth Institute (GGGI) Mr. Yoon Suk Choi | Seoul | Republic of Korea | (82-2)2096-9991 | (82-2)2096-9990 | info@gggi.org |
| Global Water Partnership Organisation (GWPO) Mr. Alex Simalabwi | Stockholm | Sweden | (46-8) 1213-8600 | gwp@gwp.org | |
| Greater Virunga Transboundary Collaboration (GVTC) Mr. Juvénal Mukeshimana | Kigali | Rwanda | +250252580429 | info@greatervirunga.org | |
| Gulf Organization for Industrial Consulting (GOIC) Mr. Nawaf Shahata Al Sharif | Doha | Qatar | +974 4485 8888 | +974 4483 1465 | goic@goic.org.qa |
| Helsinki Commission (HELCOM) Mr. Dominik Littfass | Helsinki | Finland | (358-20) 741-2649 | (358 -20) 741-2639 | info@helcom.fi |
| IGAD Climate Prediction and Applications Centre (IGAD-ICPAC) Mr. Paulino OMOJ Omay | Djibouti | +253-21354050 | esoffice@igad.int | ||
| Independent World Commission on the Oceans | Geneva | Switzerland | (41-22)710-0711 | (41-22)710-0722 | |
| Instituto Interamericano de Cooperación para la Agricultura (IICA) Mr. Federico Villarreal | San Isidro | Costa Rica | (506) 2216 0222 | (506) 2216 0233 | iicahq@iica.cr |
| Integrated Carbon Observation System European Research Infrastructure Consortium (ICOS ERIC) Mr. Emmanuel Salmon | Helsinki | Finland | +358 50 448 4598 | info@icos-ri.eu | |
| Inter-American Development Bank (IDB) Mr. Graham George Watkins | Washington | United States of America | (1-202) 623-1000 | (1-202) 623-3096 | gwatkins@iadb.org |
| Inter-American Institute for Global Change Research (IAI) Ms. Ione Anderson | Montevideo | Uruguay | +598 2606 0126 | ianderson@dir.iai.int | |
| Inter-Parliamentary Union (IPU) Ms. Aleksandra Blagojevic | Geneva | Switzerland | (41-22) 919-4150 | (41-22) 919-4160 | postbox@.ipu.org |
| International Anti-Corruption Academy (IACA) Ms. Hevin Celikbas | Laxenburg | Austria | +43 2236 710 718 101 | iaca@iaca.int | |
| International Association of Economic and Social Councils and Similar Institutions (AICESIS) Ms. Samira Azarba | Brussels | Belgium | (32-2) 230 2878 | aicesis@aicesis.org | |
| International Bureau of Weights and Measures (BIPM) Ms. Rahima Guliyeva | Sèvres | France | +33 1 45 07 70 70 | +33 1 45 34 20 21 | webmaster@bipm.org |
| International Center for Agricultural Research in the Dry Areas (ICARDA) Dr Vinay Nangia | Beirut | Lebanon | 9611843472/813303 | 9611804071/01-843473 | v.nangia@cgiar.org |
| International Centre for Integrated Mountain Development (ICIMOD) Ms. Kunzang | Kathmandu | Nepal | (977-1)527 5222 | (977-1)527 5238 | Pema.Gyamtsho@icimod.org |
| International Centre for Research in Agroforestry (ICRAF) Mr. Peter Minang | Nairobi | Kenya | (254-20) 722-4000 | (254-20) 722-4001 | a.minang@cgiar.org |
| International Cocoa Organization (ICCO) Mr. Michele Nardella | Abidjan | Côte d'Ivoire | (+225) 22 51 49 50/51 | (+225) 22 51 49 79 | registration.icco@icco.org |
| International Coffee Organization (ICO) Ms. Vanusia Carneiro Nogueira | London | United Kingdom of Great Britain and Northern Ireland | 02076120600 | +44 (0)20 7612 0630 | info@ico.org |
| International Development Law Organization (IDLO) Ms. Ilaria Bottigliero | Rome | Italy | (39-06) 4040-3200 | (39-06) 4040-3232 | dgoffice@idlo.int |
| International Electrotechnical Commission (IEC) Mr. Boris Inderbitzin | Geneva | Switzerland | 022 919 02 11 | gso@iec.ch | |
| International Energy Agency (IEA) Mr. José Martínez Echenique | Paris | France | (33-1) 4057-6500 | (33-1) 4057-6509 / 19 | ignacio.martinez@iea.org |
| International Energy Forum (IEF) Ms. Lina Murad | Riyadh | Saudi Arabia | 00966114810022 | 00966114810055 | info@ief.org |
| International Federation of Red Cross and Red Crescent Societies (IFRC) Ms. Mary Friel | Geneva | Switzerland | (41-22) 730-4222 | (41-22) 733-0395 | secretariat@ifrc.org |
| International Institute for Democracy and Electoral Assistance (International IDEA) Ms. Elin Westerling | Stockholm | Sweden | info@idea.int | ||
| International Institute of Refrigeration (IIR) Ms. Yosr Allouche | Paris | France | (33-1) 4227-3235 | (33-1) 4763-1798 | iif-iir@iifiir.org |
| International Livestock Research Institute (ILRI) Mr. Todd Crane | Nairobi | Kenya | (254-20) 422-3000 | (254-20) 422-3001 | ILRI-Kenya@cgiar.org |
| International Network for Bamboo and Rattan (INBAR) Mr. Borja De La Peña Escardó | Beijing | China | (86-10) 6470-6180 | (86-10) 6470-2166 | info@inbar.int |
| International Organisation of Vine and Wine (OIV) Ms. Solange Slack | Paris | France | 01 44 94 80 81 | Secretariat@oiv.int | |
| International Potato Center (CIP) Mr. Joel Ranck | Lima | Peru | (51 1) 349 6017 | (51 1) 317 5326 | cip-dg@cgiar.org |
| International Renewable Energy Agency (IRENA) Ms. Alessandra Palma | Abu Dhabi | United Arab Emirates | (971-2) 417-9000 | (971-2) 658-1726 | info@irena.org |
| International Rice Research Institute (IRRI) Ms. Mishel Ciceron | Los Baños, Laguna, Philippines | Philippines | +63 2 580 5600 | +63 2 580 5699 | info@irri.org |
| International Solar Alliance (ISA) Mr. Shishir Seth | Gurugram, Haryana | India | +91 124 2853090 | info@isolaralliance.org | |
| International Transport Forum, Organisation for Economic Co-operation and Development (ITF) Mr. Jari Mikael Kauppila | Paris | France | +33173312500 | celine.kone-bocquet@itf-oecd.org | |
| International Tropical Timber Organization (ITTO) Ms. Kosato Saito | Yokohama | Japan | (81-45) 223-1110 | (81-45) 223-1111 | oed@itto.int |
| International Union for Conservation of Nature (IUCN) Mr. Sandeep Sengupta | Gland | Switzerland | (41-22) 999-0000 | (41-22) 999-0002 | sandeep.sengupta@iucn.org |
| International Water Management Institute (IWMI) Vidhisha Nayanthara Samarasekara | Colombo | Sri Lanka | (94-11) 288-0000 | (94-11) 278-6854 | iwmi@cgiar.org |
| International Youth Organization for Ibero-America (OIJ) Ms. Maria Luisa Galvez Romero | Madrid | Spain | +34913690284 | jovana.poznan@oij.org | |
| Islamic Development Bank (IsDB) Mr. Amr Sobhy | Jeddah | Saudi Arabia | (966-12)636-1400 | (966-12)636-6871 | info@isdb.org |
| Islamic Organization for Food Security (IOFS) Mr. Medeu Amangeldiyev | Nur-Sultan (Astana) | Kazakhstan | +7 7172 99 99 00 | info@iofs.org.kz | |
| ITER International Fusion Energy Organization (ITER Organization) Ms. Sabina Griffith | Saint Paul les Durance | France | (33) -442176615 | sabina.griffith@iter.org | |
| Lake Chad Basin Commission (LCBC) Mr. Aminu Magaji Bala | N'Djaména | Chad | +23522524145 | +23522524137 | cab@cblt.org |
| League of Arab States (LAS) Mr. Mahmoud Fath-Allah | Cairo | Egypt | +20225750511 | +20225743023 | mahmoud.fathallah@las.int |
| New Development Bank Ms. Yuan Zheng | Shanghai | China | zheng.yuan@ndb.int | ||
| Nordic Council (NR) Ms. Mette Gervin Damsgaard | Copenhagen | Denmark | +45 3396 0400 | nordisk-rad@norden.org | |
| Nordic Council of Ministers (NCM) Ms. Emma Gullstrand | Copenhagen | Denmark | +45 33 960200 | nmr@norden.org | |
| Nordic Development Fund (NDF) Ms. Paula Fincke | Helsinki | Finland | +358 10 618 002 | info@ndf.int | |
| Nordic Environment Finance Corporation (NEFCO) Mr. Ashvini Kumar Sharma | Helsinki | Finland | (358-10) 61-8003 | (358-9) 63-0976 | info@nefco.int |
| Nordic Investment Bank (NIB) Mr. Jukka Ahonen | Helsinki | Finland | +358 10 618 001 | +358 10 618 0725 | info@nib.int |
| Observatoire du Sahara et du Sahel (OSS) Ms. Khaoula Jaoui | Tunis | Tunisia | (216-71) 20-6633 | (216-71) 20-6636 | boc@oss.org.tn |
| OPEC Fund for International Development Ms. Valerie Herzog | Vienna | Austria | +43-1-515 64-0 | +43-1-513 92 38 | strategy@opecfund.org |
| Organisation for Economic Co-operation and Development (OECD) Ms. Sirini Jeudy-Hugo | Paris | France | (33-1) 4524-8200 | (33-1) 4524-8500 | webmaster@oecd.org |
| Organisation Internationale de la Francophonie (OIF/IFDD) M. Issa Bado | Quebec | Canada | (1-418) 692-5644 | (1-418) 692-5644 | ifdd@francophonie.org |
| Organisation of African, Caribbean and Pacific States (OACPS) Ms. Cristelle Pratt | Brussels | Belgium | +(32-2) 743-0600 | +3227355573 | info@acp.int |
| Organisation of Eastern Caribbean States (OECS) Mr. Eustace Crispin Urban Ira d'Auvergne | Castries | Saint Lucia | (1-758) 455-6327 | (1-758) 453-1628 | oesec@oecs.org |
| Organisation of Islamic Conference Standing Committee on Scientific and Technological Cooperation (COMSTECH) Mr. Shahid Ahmad Kamal | Islamabad | Pakistan | +92 51 9220681-3 | +92 51 9211115 | comstech@comstech.org |
| Organização do Tratado de Cooperação Amazônica (ACTO) Ms. Alessandra Roble | Brasilia | Brazil | +55 61 3248-4119 | +55 61 3248-4238 | secretaria.permanente@otca.org |
| Organizacion Latino Americana de Energia (OLADE) Mr. Guido Maiulini | Quito | Ecuador | +5932 2531 674 | (593-3) 253-1691 | secretaria.ejecutiva@olade.org |
| Organization for Security and Co-operation in Europe (OSCE) Ms. Sylvie Goyet | Vienna | Austria | +43 1 514 36 6000 | +43 1 514 36 6996 | pm@osce.org |
| Organization of American States (OAS) Dr. Ruben Contreras-Lisperguer | Washington | United States of America | 1-202}458-3000 | (1-202)458-3560 | rcontreras@oas.org |
| Organization of Arab Petroleum Exporting Countries (OAPEC) Mr. AbdulKareem Kh Ayed | Kuwait | Kuwait | (965) 2495-9000 | (965) 2495-9755 | oapec@oapecorg.org |
| Organization of the Petroleum Exporting Countries (OPEC) Ms. Eleni Kaditi | Vienna | Austria | (43-1) 21 112 2205 | (43-1) 216 43 20 | ekaditi@opec.org |
| Pacific Islands Development Forum (PIDF) Ms. Kinisimere Tamanisau | Suva | Fiji | +679-331 1518 | +679-331 1529 | secretariat@pidf.int |
| Pacific Islands Forum Secretariat (PIFS) Ms. Teea Tira | Suva | Fiji | (67-9) 331-2600 | (67-9) 322-0249 | info@forumsec.org |
| Pan African Agency of the Great Green Wall (PAGGW) Mme Aissata Wague | Nouakchott | Mauritania | +222 45 255688 | ase.apgmv@grandemurailleverte.org | |
| Parlamento Latinoamericano Ms. Beatriz Paredes | Sao Paulo | Brazil | (55-11)3824-6114/13 | (55-11)3824-0621 | |
| Parliamentary Assembly of the Mediterranean (PAM) Mr. Marco Mura | San Marino | San Marino | +393451682994 | pamrsm@pam.int | |
| Permanent Court of Arbitration (PCA) Mr. Martin Doe | The Hague | Netherlands | (31-70)302-4165 | (31-70)302-4167 | bureau@pca-cpa.org |
| Permanent Secretariat of the Alpine Convention (Alpine Convention) Ms. Nathalie Morelle | Innsbruck | Austria | +43 512 588589 12 | +43 512 588589 20 | info@alpconv.org |
| Regional Center for Renewable Energy and Energy Efficiency (RCREEE) Ms. Fatouma Hanini | Cairo | Egypt | +20 2 2415 4755 | +20 2 241 54661 | fatouma.hanini@rcreee.org |
| Regional Community Forestry Training Center for Asia and the Pacific (RECOFTC) Ms. Regan Pairojmahakij | Bangkok | Thailand | (66-2) 940-5700 | (66-2) 561-4880 | info@recoftc.org |
| Regional Environmental Center for Central and Eastern Europe (REC) Mr. Eduardas Kazakevicius | Szentendre | Hungary | (36-26) 50-4000 | (36-26) 31-1294 | ocs@rec.org |
| Regional Organization for the Protection of the Marine Environment (ROPME) Mr. Mohammad Al-Ahmad | Kuwait city | Kuwait | +965 22093939 | +965 24861668 | ropme@ropme.org |
| Secretaría General de la Comunidad Andina (SGCAN) Mr. Juan Sebastian Durango Cordero | Lima | Peru | (51-1) 710-6400 | correspondencia@comunidadandina.org | |
| Secretaria General Iberoamericana (SEGIB) Ms. Cristina Manzano | Madrid | Spain | (34) 9-1590-1980 | (34) 9-1590-1982 | secretaria@segib.org |
| Secrétariat général de l'union du Maghreb Arabe (UMA) Mme Faouzia Chakiri | Rabat | Morocco | (212-37) 537 68 1371 | (212-37) 537 68 1377 | sg.uma@maghrebarabe.org |
| Secretariat of the Pacific Community (SPC) Ms. Coral Pasisi | Noumea | France | +687 262000 | +687 263818 | coralp@spc.int |
| Secretariat of the Pacific Regional Environment Programme (SPREP) Ms. Rosanna Galuvao | Apia | Samoa | (68-5) 2-1929 | (68-5) 2-0231 | sefanaian@sprep.org |
| Secretariat of the Union for the Mediterranean (UfMS) Ines Duarte | Barcelona | Spain | +34935214100 | climate@ufmsecretariat.org | |
| Small Island Developing States Dock (SIDS DOCK) Ms. Christine Duncan | Belmopan | Belize | 1-646-692-3552 | 1-646-692-6070 | secretariat@sidsdock.org |
| South Asia Co-operative Environment Programme (SACEP) Ms. Harshanamali Wijayawardhana | COLOMBO 05 | Sri Lanka | +94 11 259 6443 | +94 11 258 9369 | secretariat@sacep.org |
| South Asian Association for Regional Cooperation (SAARC) Mr. Pema Dorji | Kathmandu | Nepal | (977-1) 422-1785 / 8929 | (977-1) 422-7033 / 3991 | saarc@saarc-sec.org |
| South Centre Mr. Carlos Maria Correa | Geneva | Switzerland | (41-22) 791-8050 | (41-22) 798-8531 | south@southcentre.org |
| Southern African Development Community (SADC) Ms. Sibongile Mavimbela | Gaborone | Botswana | (267) 395-1863 | (267) 397-2848 | registry@sadc.int |
| Technical Centre for Agricultural and Rural Cooperation EU-ACP (CTA) Mr. Oluyede Clifford Ajayi | Wageningen | Netherlands | +31 317 467100 | +31 317 460067 | Ajayi@cta.int |
| The Coral Triangle Initiatives on Coral Reefs, Fisheries and Food Security (CTI-CFF) Ms. Maria Kimberly Mawati | Manado | Indonesia | +62 431 7242027 | regional.secretariat@cticff.org | |
| The European Organisation for the Exploitation of Meteorological Satellites (EUMETSAT) Mr. Paul Counet | Darmstadt | Germany | (49-6151) 8077 | (49-6151) 80-7555 | paul.counet@eumetsat.int |
| The Islamic World Educational, Scientific and Cultural Organization (ICESCO) (ICESCO) Mr. Anar Karimov | Rabat | Morocco | 212537566052 | anar.karimov@icesco.org | |
| The Regional Organization for the Conservation of the Environment of the Red Sea and Gulf of Aden (PERSGA) H.E. Mr. Ziad Abu Gararah | Jeddah 21583 | Saudi Arabia | (966-2) 657-3224 | (966-2) 652-1901 | info@persga.org |
| University for Peace (UPEACE) Sra. Maria Pia Carazo Ortiz | Ciudad Colón | Costa Rica | (506) 2205-9000 | pcarazo@upeace.org | |
| West African Science service centre on Climate change and Adapted Land use (WASCAL) Mr. Moumini Savadogo | Accra | Ghana | +233501529000 | ouedraogo.f@wascal.org | |