| Abbeyfield Belgium | Steenweg op Waver,490 | Etterbeek | 0457138135 |
| AFDELING BELGIE VAN DE I.V.O.E.G. - SECTION BELGIQUE DE L'A.I.A.C.E. | Wetstraat,200 | Brussel | 0450733759 |
| Alliance européenne de Santé publique | Trierstraat,49-51 | Brussel | 0451133736 |
| ASSOCIATION DES ANCIENS ETUDIANTS DU COLLEGE D'EUROPE | Breydelstraat,34 | Brussel | 0408296160 |
| ASSOCIATION DES ANCIENS ETUDIANTS DU COLLEGE D'EUROPE | Breydelstraat,34 | Brussel | 0408296160 |
| ASSOCIATION EUROPEENNE DE L'UNIVERSITE | Ijzerlaan,24 | Etterbeek | 0477216541 |
| association europeenne des producteurs de polyos | Tervurenlaan,13A | Etterbeek | 0597664708 |
| Association europeénne des Sociétés de Télédétection | Wetstraat,26 | Brussel | 0447243442 |
| Association mondiale des Guides et des Eclaireuses (Europe)-World Association of Girls Guides and Girl Scouts (Europe)-Associacion Mundiale de las Guias Scouts | Belliardstraat,40 | Brussel | 0457323425 |
| BePax | Sint-Pieterssteenweg,208 | Etterbeek | 0418876385 |
| Casal Català de Bruxelles | Boerenstraat,2 | Etterbeek | 0421459555 |
| Center for Networking Alliance | Froissartstraat,95 | Etterbeek | 0823168625 |
| Centre Communautire Juif européén | Hoornstraat,22 | Etterbeek | 0870819082 |
| Centre d'Education Japonaise | Majoor Pétillonstraat,36 | Etterbeek | 0470154644 |
| CENTRE D'ETUDES SPIRITES ALLAN KARDEC | Louis Hapstraat,134 | Etterbeek | 0473372074 |
| Chambre de Commerce et d'Industrie FRANCE BELGIQUE | Wetstraat,23 | Brussel | 0435869993 |
| Comité Européen de Normalisation - European Comittee for Standardization - Europäisches Komitee für Normung | Wetenschapsstraat,23 | Brussel | 0415455651 |
| Comité Européen de Normalisation Electrotechnique | Wetenschapsstraat,23 | Brussel | 0412958890 |
| Commission Justice et Paix | Sint-Pieterssteenweg,208 | Etterbeek | 0418399305 |
| Conseil de l'Enseignement des Communes et des Provinces | Galliërslaan,32 | Etterbeek | 0445322743 |
| CONSEIL EUROPEEN DES PAIEMENTS | Sint Michielswarande,30 | Etterbeek | 0873268927 |
| CONSEIL EUROPEEN DES PAIEMENTS | Sint Michielswarande,30 | Etterbeek | 0873268927 |
| CULTURE & MEDIA AGENCY EUROPE | Vijverstraat,127 | Etterbeek | 0844076380 |
| Cultures et communications | Victor Jacobslaan,78 | Etterbeek | 0447664601 |
| DEMOCRACY IN EUROPE MOVEMENT 2025 | Aarlenstraat,53 | Brussel | 0662528113 |
| DES IDEES PLEIN LA TETE DES PAROLES PLEIN LA BOUCHE | Gérardstraat,40 | Etterbeek | 0472941811 |
| Diane asbl | Ruiterijlaan,2 | Etterbeek | 0775740969 |
| diensten ter ondersteuning van het katholiek onderwijs | Guimardstraat,1 | Brussel | 0407693968 |
| Directions Independent Culture | Louis Schmidtlaan,119/2 | Etterbeek | 0600784643 |
| EIT Digital Alumni | Guimardstraat,7 | Brussel | 0556809197 |
| EUN PARTNERSHIP | Trierstraat,61 | Brussel | 0865838331 |
| EUPAC | Robert Schumanplein,6 | Brussel | 0786403843 |
| EuroCentralAsian Lesbian* Community (EL*C) | Heumühlgasse,14/1 | Wien | 0744700771 |
| EUROPEAN BUILDERS CONFEDERATION | Jacques de Lalaingstraat,4 | Brussel | 0461747219 |
| european association of polyol producers | Tervurenlaan,13A | Etterbeek | 0597664708 |
| EUROPEAN ASSOCIATION OF SERVICE PROVIDERS FOR PERSONS WITH DISABILITIES | Handelsstraat,72 | Brussel | 0478078455 |
| EUROPEAN ASSOCIATION OF SERVICE PROVIDERS FOR PERSONS WITH DISABILITIES | Handelsstraat,72 | Brussel | 0478078455 |
| European Committee Electrotechnical Standardizat | Wetenschapsstraat,23 | Brussel | 0412958890 |
| European Crypto Initiative | Robert Schumanplein,2-4 | Brussel | 0787409079 |
| EUROPEAN DISTRIBUTION SYSTEM OPERATORS FOR SMART GRIDS | Wetstraat,82 | Brussel | 0825054581 |
| EUROPEAN FEED & FOOD INGREDIENTS SAFETY CERTIFICATION | Kunstlaan,43 | Brussel | 0829609623 |
| EUROPEAN GAMING AND BETTING ASSOCIATION | Graystraat,50 | Etterbeek | 0872621896 |
| European historic houses | Trierstraat,67 | Brussel | 0714975914 |
| EUROPEAN JEWISH COMMUNITY CENTRE | Hoornstraat,22 | Etterbeek | 0870819082 |
| EUROPEAN JEWISH DEVELOPMENT FUND | Hoornstraat,22 | Etterbeek | 0869872739 |
| European Kashrut | Hoornstraat,22 | Etterbeek | 0879172267 |
| EUROPEAN NETWORK OF SOCIAL INTEGRATION ENTERPRISES | Handelsstraat,72 | Brussel | 0475190924 |
| EUROPEAN NETWORK OF SOCIAL INTEGRATION ENTERPRISES | Handelsstraat,72 | Brussel | 0475190924 |
| EUROPEAN ORGANIC CERTIFIERS COUNCIL | Aarlenstraat,63-67 | Brussel | 0824026282 |
| European Parliamentary Financial Services Forum | Robert Schumanplein,2-4 | Brussel | 0884395322 |
| European Partnership for Democracy | Froissartstraat,123/133 | Brussel | 0648708779 |
| EUROPEAN PEACEBUILDING LIAISON OFFICE | Sint Michielswarande,30B | Etterbeek | 0476721544 |
| EUROPEAN PEACEBUILDING LIAISON OFFICE | Sint Michielswarande,30B | Etterbeek | 0476721544 |
| European Public Health Alliance | Trierstraat,49-51 | Brussel | 0451133736 |
| EUROPEAN REGULATION AND INNOVATION FORUM | Wetstraat,227 | Brussel | 0541789837 |
| EUROPEAN SUSTAINABLE INVESTMENT FORUM | Kunstlaan,44 | Brussel | 0847087538 |
| EUROPEAN SUSTAINABLE INVESTMENT FORUM | Kunstlaan,44 | Brussel | 0847087538 |
| European Union of the Deaf | Wetstraat,26 | Brussel | 0462071871 |
| EUROPEAN UNION ROAD FEDERATION | Belliardstraat,20 | Brussel | 0470591441 |
| Europäisches Komitee für Elektrotechnische Normung | Wetenschapsstraat,23 | Brussel | 0412958890 |
| Factory of Identity Association Sans But Lucratif | Biesputstraat,4 | Etterbeek | 0759408149 |
| FEDERATION DES ASSOCIATIONS DE CHASSE ET CONSERVATION DE LA FAUNE SAUVAGE DE L'UNION EUROPEENNE | Blijde Inkomstlaan,1-5 | Brussel | 0418672289 |
| FEDERATION DES ASSOCIATIONS DES CAPITALES ET VILLES EUROPEENNES DU SPORT | Robert Schumanplein,6 | Brussel | 0831576545 |
| Federation of European Data and Marketing | Kunstlaan,43 | Brussel | 0464157569 |
| FONDATION EUROPEENNE des PERSONNES HANDICAPEES | Jachtlaan,135 | Etterbeek | 0845095177 |
| Fondation Internationale pour les Défenseurs des Droits de L?Homme | Wetstraat,81A | Brussel | 0636996030 |
| FONDATION MIGRATION POLICY INSTITUTE EUROPE | Wetstraat,155 | Brussel | 0841150346 |
| FONDATION MIGRATION POLICY INSTITUTE EUROPE | Wetstraat,155 | Brussel | 0841150346 |
| FORUM DES PATIENTS EUROPEENS | Steenweg op Etterbeek,180 | Etterbeek | 0807605667 |
| Foyer catholique européen | Hoornstraat,51 | Etterbeek | 0408294081 |
| GCP Europe | Robert Schumanplein,3 | Brussel | 0479214345 |
| Institude for Diplomacy and Economy | Robert Schumanplein,2-4 | Brussel | 0766647220 |
| INTERNATIONAL PARTNERSHIP FOR HUMAN RIGHTS | Belliardstraat,205 | Etterbeek | 0897091038 |
| ITALIAN AND TRANSNATIONAL ASSOCIATION FOR COMMUNITIES ABROAD | Wetstraat,26 | Brussel | 0670898520 |
| ITALIAN AND TRANSNATIONAL ASSOCIATION FOR COMMUNITIES ABROAD | Wetstraat,26 | Brussel | 0670898520 |
| itsgreatoutthere coalition | Kunst-Wet,43 | Brussel | 0679887351 |
| Katholiek Onderwijs Vlaanderen | Guimardstraat,1 | Brussel | 0451895383 |
| Kofi Annan Association | Sint-Michielslaan,47 | Etterbeek | 0697954590 |
| KOM à la maison | Veldstraat,46-48 | Etterbeek | 0734621778 |
| L'OBSERVATOIRE EUROPEEN DES FONDAMENTALISMES | Oudergemlaan,56 | Etterbeek | 0754813913 |
| Migration Policy Group | Tervurenlaan,32-34 | Etterbeek | 0545923225 |
| NANOFABNET | Fétisstraat,19 | Etterbeek | 0797484213 |
| Oeuvres Paroissiales d'Etterbeek | Sint-Geertruidestraat,17 | Etterbeek | 0409513610 |
| Openluchtklassen | Guimardstraat,1 | Brussel | 0423555448 |
| Rare Earths Industry Association | Guimardstraat,7 | Brussel | 0734657016 |
| Rare Earths Industry Association | Guimardstraat,7 | Brussel | 0734657016 |
| RECLAIM | Louis Schmidtlaan,46 | Etterbeek | 0732994059 |
| RELOOP | Wetstraat,155 | Brussel | 0632493844 |
| SEARCH FOR COMMON GROUND | Belliardstraat,205 | Etterbeek | 0453975341 |
| serve the city | Van Meyelplein,15 | Etterbeek | 0886257326 |
| serve the city | Van Meyelplein,15 | Etterbeek | 0886257326 |
| Serve the City International | Van Meyelplein,15 | Etterbeek | 0665652996 |
| Silver Task Force | Louis Schmidtlaan,29 | Etterbeek | 0840228846 |
| Sirocco projet sportif et humanitaire | de Gerlachestraat,51 | Etterbeek | 0778256338 |
| Society Against Violent Extremism Belgium | Sint Michielswarande,30b | Etterbeek | 0631884229 |
| The European Association for the Promotion of Cogeneration | Aarlenstraat,80 | Brussel | 0861467787 |
| The European Association for the Promotion of Cogeneration | Aarlenstraat,80 | Brussel | 0861467787 |
| The European Consumer Voice in Standardisation | Aarlenstraat,80 | Brussel | 0457696181 |
| The European Consumer Voice in Standardisation | Aarlenstraat,80 | Brussel | 0457696181 |
| The Good Lobby,association for the promotion of civic participation through research, dissemination, training and campaigning for the public interest | Kunstlaan,44 | Brussel | 0754574777 |
| The Institute for China-Europe Studies | Robert Schumanplein,6 | Brussel | 0748843760 |
| THE JOSEPH PROJECT | Hoornstraat,22 | Etterbeek | 0888438341 |
| The Transatlantic Foundation | Wetstraat,155 | Brussel | 0834762994 |
| UICN BUREAU DE REPRESENTATION AUPRES DE L'UNION EUROPEENNE/ IUCN EUROPEAN UNION REPRESENTATIVE OFFICE | Louis Schmidtlaan,64 | Etterbeek | 0470447426 |
| VICTIM SUPPORT EUROPE | Froissartstraat,123 | Etterbeek | 0828549254 |
| Wildlife Conservation Society European Union Office | Louis Schmidtlaan,64 | Etterbeek | 0711985839 |
| Wildlife Conservation Society European Union Office | Louis Schmidtlaan,64 | Etterbeek | 0711985839 |
| World Crafts Council Europe | Jacques de Lalaingstraat,4 | Brussel | 0792628471 |
| WORLD SOLIDARITY FORUM | Robert Schumanplein,2-4 | Brussel | 0666612902 |