| Transport and Environment (European Federation for Transport and Environment) | 381 | 101 | not declared |
| European Environmental Bureau | 336 | 114 | not declared |
| Climate Action Network Europe | 239 | 77 | not declared |
| WWF European Policy Programme | 233 | 87 | not declared |
| Eurogroup for Animals | 170 | 69 | not declared |
| Global Witness | 147 | 41 | not declared |
| WWF Deutschland | 139 | 55 | not declared |
| Fern | 134 | 44 | not declared |
| Greenpeace European Unit | 132 | 61 | not declared |
| Friends of the Earth Europe | 129 | 49 | not declared |
| Deutsche Umwelthilfe e.V. | 116 | 30 | not declared |
| ClientEarth AISBL | 115 | 46 | not declared |
| Germanwatch | 113 | 30 | not declared |
| Carbon Market Watch | 86 | 30 | not declared |
| Bund für Umwelt und Naturschutz Deutschland e. V. | 64 | 23 | not declared |
| Naturschutzbund Deutschland e.V. | 63 | 23 | not declared |
| Humane World for Animals Europe | 58 | 25 | not declared |
| Clean Air Task Force, Inc. | 55 | 30 | not declared |
| Environmental Coalition on Standards | 54 | 23 | not declared |
| Deutscher Naturschutzring, Dachverband der deutschen Natur-, Tier- und Umweltschutzverbände (DNR) e.V. | 51 | 18 | not declared |
| Swedish Society for Nature Conservation | 50 | 8 | not declared |
| BLOOM Association | 46 | 31 | not declared |
| Stichting BirdLife Europe | 46 | 33 | not declared |
| Cleantech for Europe | 45 | 30 | €800,000/yr |
| Bellona Europa | 44 | 26 | not declared |
| Zero Waste Europe | 42 | 23 | not declared |
| Seas At Risk | 40 | 22 | not declared |
| Pesticide Action Network Europe | 38 | 27 | not declared |
| FUNDACION OCEANA | 37 | 22 | not declared |
| CEE Bankwatch Network | 36 | 32 | not declared |
| Food & Water Action Europe | 33 | 14 | not declared |
| Carbon Gap ASBL | 32 | 25 | not declared |
| European Federation of National Associations of Water Services | 32 | 21 | €100,000/yr |
| EuroNatur - Stiftung Europäisches Naturerbe | 31 | 17 | not declared |
| Climate Leadership Coalition | 27 | 14 | €500,000/yr |
| Negative Emissions Platform | 25 | 16 | €200,000/yr |
| Rådet for Grøn Omstilling | 25 | 9 | not declared |
| SUEZ Group | 25 | 18 | €500,000/yr |
| Ecologistas en Accion | 23 | 11 | €700,000/yr |
| KlimaUnion | 22 | 2 | not declared |
| Réseau Action Climat France | 22 | 12 | not declared |
| Environmental Investigation Agency | 21 | 12 | not declared |
| Reclaim Finance | 21 | 13 | not declared |
| Stichting European Climate Foundation | 21 | 10 | not declared |
| Svenskt Vatten | 21 | 7 | €400,000/yr |
| International Fund for Animal Welfare | 20 | 14 | not declared |
| BDE Bundesverband der Deutschen Entsorgungs-, Wasser- und Kreislaufwirtschaft e. V. | 19 | 12 | €600,000/yr |
| Bureau Brussel Vewin - Unie van Waterschappen | 19 | 8 | €200,000/yr |
| Cruelty Free Europe | 19 | 13 | not declared |
| FEAD | 19 | 18 | €700,000/yr |
| Umweltbundesamt GmbH - Environment Agency Austria | 19 | 7 | not declared |
| Världsnaturfonden WWF (WWF Sweden) | 19 | 7 | not declared |
| Animal Welfare Foundation e.V. | 18 | 11 | not declared |
| Environmental Defense Fund Europe (Stichting Environmental Defense Fund International) | 18 | 8 | not declared |
| Fondazione Think Tank ECCO ETS | 18 | 12 | not declared |
| The European Institute for Animal Law & Policy | 18 | 10 | not declared |
| CONSORZIO NAZIONALE IMBALLAGGI | 17 | 13 | not declared |
| Environmental Justice Foundation | 17 | 11 | not declared |
| European Bureau for Conservation and Development | 17 | 13 | not declared |
| GLOBAL 2000, Friends of the Earth Austria | 17 | 7 | not declared |
| Ragn Sells AS | 17 | 11 | €25,000/yr |
| Union of European Football Associations | 17 | 12 | €200,000/yr |
| Citizens' Climate Europe | 16 | 11 | not declared |
| Michael Succow Stiftung | 16 | 9 | not declared |
| Municipal Waste Europe | 16 | 13 | not declared |
| PowerShift - Verein fuer eine oekologisch-solidarische Energie- & Weltwirtschaft e.V. | 16 | 9 | not declared |
| Animal Society e.V. | 15 | 10 | not declared |
| Both ENDS | 15 | 6 | not declared |
| Dyrenes Beskyttelse | 15 | 7 | not declared |
| Gaz Réseau Distribution France | 15 | 11 | €300,000/yr |
| The Shift Project | 15 | 12 | not declared |
| AAP Animal Advocacy and Protection | 14 | 9 | not declared |
| Deutscher Tierschutzbund - German Animal Welfare Federation | 14 | 9 | not declared |
| Earthsight | 14 | 10 | not declared |
| Green 10 | 14 | 7 | not declared |
| Klima Allianz Deutschland e.V. | 14 | 6 | €10,000/yr |
| Secrets Toxiques | 14 | 4 | not declared |
| World Wide Fund for Nature Belgium | 14 | 8 | not declared |
| Business Alliance for Climate Action | 13 | 11 | €100,000/yr |
| European Trade Justice Coalition (formerly S2B Network) | 13 | 12 | not declared |
| Federation for Hunting & Conservation - Malta | 13 | 13 | €100,000/yr |
| Foundation for a Living Baltic Sea - Baltic Sea Action Group | 13 | 7 | €300,000/yr |
| Mighty Earth | 13 | 4 | not declared |
| Partnership for Policy Integrity | 13 | 7 | not declared |
| Chemicals, Health and Environment Monitoring Trust | 12 | 9 | not declared |
| Confederation of European Waste-to-Energy Plants | 12 | 6 | €800,000/yr |
| ERION COMPLIANCE ORGANIZATION S.C.A R.L. | 12 | 12 | €100,000/yr |
| Ellen MacArthur Foundation | 12 | 7 | not declared |
| International Chemical Secretariat | 12 | 7 | not declared |
| SURFRIDER FOUNDATION EUROPE | 12 | 10 | not declared |
| WWF Italia | 12 | 7 | not declared |
| ContactEurope Malgorzata Handzlik | 11 | 8 | €20,000/yr |
| Fondation 30 Millions d'Amis | 11 | 9 | not declared |
| International Emissions Trading Association | 11 | 2 | €300,000/yr |
| SEA SHEPHERD FRANCE | 11 | 7 | not declared |
| Carbon Management Europe | 10 | 7 | €300,000/yr |
| Denuo vzw/asbl | 10 | 8 | €50,000/yr |
| Suomen luonnonsuojeluliitto - The Finnish Association for Nature Conservation | 10 | 7 | not declared |
| Cool Heating Coalition | 9 | 9 | not declared |
| Ecologic Institute | 9 | 6 | not declared |
| Natuurpunt vzw | 9 | 7 | not declared |
| Södra Skogsägarna ekonomisk förening | 9 | 7 | €100,000/yr |
| WO=MEN Dutch Gender Platform | 9 | 6 | €100,000/yr |
| Aggregates Europe | 8 | 6 | €500,000/yr |
| Bond Beter Leefmilieu Vlaanderen vzw | 8 | 6 | not declared |
| Ecosia | 8 | 5 | €100,000/yr |
| Ekologiska Lantbrukarna | 8 | 3 | €300,000/yr |
| Generation Climate Europe AISBL | 8 | 6 | not declared |
| Générations Futures | 8 | 7 | not declared |
| Hagainitiativet | 8 | 4 | €200,000/yr |
| THE NATURE CONSERVANCY IN EUROPE gemeinnützige GmbH | 8 | 6 | not declared |
| The Pew Charitable Trusts | 8 | 4 | not declared |
| Vereniging Milieudefensie | 8 | 5 | not declared |
| Wetlands International - European Association | 8 | 7 | not declared |
| Amis de la Terre France | 7 | 4 | not declared |
| Climate Parliament ASBL | 7 | 3 | not declared |
| Compagnie Nationale du Rhône | 7 | 5 | €100,000/yr |
| DAIKIN Europe NV | 7 | 7 | €25,000/yr |
| Danmarks Naturfredningsforening (The Danish Society for Nature Conservation) | 7 | 6 | not declared |
| European Association of Communications Agencies | 7 | 7 | €50,000/yr |
| European Cocoa Association | 7 | 5 | €50,000/yr |
| Fondation Brigitte Bardot | 7 | 4 | €10,000/yr |
| Grundfos Holding A/S | 7 | 5 | €100,000/yr |
| NGO Shipbreaking Platform | 7 | 7 | not declared |
| National Society of Conservationists -Friends of the Earth Hungary (Magyar Termeszetvedok Szovetsege) | 7 | 6 | not declared |
| Oceano Azul Foundation | 7 | 6 | not declared |
| Protect Our Winters Europe | 7 | 6 | not declared |
| Rainforest Alliance | 7 | 6 | not declared |
| Sciaena - Ocean # Conservation # Awareness | 7 | 7 | not declared |
| Stichting World Benchmarking Alliance Foundation | 7 | 5 | €10,000/yr |
| Umweltinstitut München e.V. | 7 | 5 | not declared |
| Aggeres | 6 | 6 | €25,000/yr |
| Bont voor Dieren | 6 | 6 | not declared |
| Conservation International Europe | 6 | 5 | not declared |
| Forum Umwelt und Entwicklung | 6 | 5 | not declared |
| Pro Wildlife | 6 | 5 | not declared |
| RELOOP | 6 | 6 | €100,000/yr |
| ROTARY INTERNATIONAL | 6 | 5 | not declared |
| Ukrainian Bar Association | 6 | 6 | €10,000/yr |
| Beyond Fossil Fuels | 5 | 4 | not declared |
| Chemelot | 5 | 4 | €10,000/yr |
| European Association of Real Estate Professions | 5 | 5 | €100,000/yr |
| European Industrial Gases Association AISBL | 5 | 4 | €200,000/yr |
| France Nature Environnement | 5 | 4 | not declared |
| Fundacja WWF Polska | 5 | 3 | not declared |
| Fédération Nationale des Activités de Dépollution et de l'Environnement | 5 | 5 | €100,000/yr |
| Hazardous Waste Europe | 5 | 4 | €50,000/yr |
| Patagonia Europe Coöperatief | 5 | 4 | €100,000/yr |
| ROBIN WOOD -- Gewaltfreie Aktionsgemeinschaft für Natur und Umwelt e.V. | 5 | 2 | not declared |
| Sustainable Water Network (SWAN) CLG | 5 | 3 | not declared |
| Sveriges Sportfiske- och Fiskevårdsförbund (Sportfiskarna) | 5 | 3 | not declared |
| Umweltorganisation WWF Central and Eastern Europe | 5 | 5 | not declared |
| Verein der Zuckerindustrie e.V. | 5 | 5 | €10,000/yr |
| Youth and Environment Europe | 5 | 2 | not declared |
| Climate Group (UK registered name: The Climate Change Organisation) | 4 | 4 | €50,000/yr |
| Ember Energy Research CIC (trading as Ember) | 4 | 4 | not declared |
| European Historic Houses | 4 | 4 | €100,000/yr |
| Global Reporting Initiative | 4 | 2 | not declared |
| Global South CDR Coalition | 4 | 4 | not declared |
| Industriegaseverband e.V. | 4 | 4 | €10,000/yr |
| LEGAMBIENTE NAZIONALE – APS – RETE ASSOCIATIVA – ETS | 4 | 4 | not declared |
| NatureWorks LLC | 4 | 4 | €200,000/yr |
| People for the Ethical Treatment of Animals Foundation | 4 | 2 | not declared |
| Saami Council Headquarters | 4 | 3 | not declared |
| The Irish Wildlife Trust | 4 | 3 | not declared |
| Universidade de Coimbra | 4 | 3 | not declared |
| WePlanet | 4 | 4 | not declared |
| Wildlife Conservation Society European Union office | 4 | 4 | not declared |
| Women Engage for a Common Future | 4 | 3 | not declared |
| Österreichischer Raiffeisenverband | 4 | 3 | €50,000/yr |
| Agroecology Europe | 3 | 3 | not declared |
| BeZero Carbon Ltd | 3 | 3 | €10,000/yr |
| Biom Association | 3 | 2 | not declared |
| BirdWatch Ireland | 3 | 3 | €25,000/yr |
| CARBIOS | 3 | 1 | €10,000/yr |
| CITTADINI PER L'ARIA | 3 | 3 | not declared |
| Centrum pro dopravu a energetiku, z.s. | 3 | 2 | not declared |
| DERICHEBOURG ENVIRONNEMENT | 3 | 3 | €50,000/yr |
| EUCOBAT | 3 | 3 | €400,000/yr |
| Global Sea Mineral Resources | 3 | 3 | €10,000/yr |
| Green REV Institute | 3 | 3 | not declared |
| ITA AIRWAYS | 3 | 2 | €50,000/yr |
| Klimadelegation e.V. | 3 | 3 | not declared |
| Mondi Group | 3 | 3 | €200,000/yr |
| NG Nordic AS | 3 | 2 | €50,000/yr |
| Natuurmonumenten | 3 | 2 | not declared |
| Pestizid Aktions-Netzwerk e.V. | 3 | 2 | not declared |
| Romero Initiative | 3 | 1 | not declared |
| Umweltdachverband | 3 | 3 | €100,000/yr |
| VinylPlus | 3 | 3 | €200,000/yr |
| World Business Council for Sustainable Development | 3 | 1 | €200,000/yr |
| World Green Building Council | 3 | 2 | €100,000/yr |
| ZERO - ASSOCIAÇÃO SISTEMA TERRESTRE SUSTENTÁVEL | 3 | 3 | not declared |