| Seas At Risk | 50 | 27 | none reported |
| Zero Waste Europe | 48 | 24 | none reported |
| Pesticide Action Network Europe | 43 | 30 | none reported |
| FUNDACION OCEANA | 41 | 24 | none reported |
| Negative Emissions Platform | 40 | 27 | €200,000/yr |
| CEE Bankwatch Network | 38 | 33 | none reported |
| Carbon Gap ASBL | 35 | 27 | none reported |
| European Federation of National Associations of Water Services | 34 | 22 | €100,000/yr |
| Climate Leadership Coalition | 33 | 18 | €500,000/yr |
| Dyrenes Beskyttelse | 33 | 8 | none reported |
| Food & Water Action Europe | 33 | 14 | none reported |
| KlimaUnion | 33 | 6 | none reported |
| EuroNatur - Stiftung Europäisches Naturerbe | 29 | 16 | none reported |
| Bureau Brussel Vewin - Unie van Waterschappen | 28 | 12 | €200,000/yr |
| Rådet for Grøn Omstilling | 28 | 10 | none reported |
| SUEZ Group | 28 | 20 | €500,000/yr |
| Reclaim Finance | 27 | 16 | none reported |
| Ecologistas en Accion | 25 | 12 | €700,000/yr |
| Fondazione Think Tank ECCO ETS | 25 | 15 | none reported |
| Reuse and Recycling European Union Social Enterprises | 25 | 17 | €400,000/yr |
| Animal Welfare Foundation e.V. | 24 | 13 | none reported |
| FEAD | 23 | 22 | €700,000/yr |
| Réseau Action Climat France | 23 | 13 | none reported |
| Environmental Investigation Agency | 22 | 13 | none reported |
| Stichting European Climate Foundation | 22 | 10 | none reported |
| Svenskt Vatten | 22 | 7 | €400,000/yr |
| Environmental Defense Fund Europe (Stichting Environmental Defense Fund International) | 21 | 9 | none reported |
| The Shift Project | 21 | 17 | none reported |
| Municipal Waste Europe | 20 | 14 | none reported |
| BDE Bundesverband der Deutschen Entsorgungs-, Wasser- und Kreislaufwirtschaft e. V. | 19 | 12 | €600,000/yr |
| European Bureau for Conservation and Development | 19 | 14 | none reported |
| International Fund for Animal Welfare | 19 | 14 | none reported |
| Världsnaturfonden WWF (WWF Sweden) | 19 | 7 | none reported |
| AAP Animal Advocacy and Protection | 18 | 9 | none reported |
| CONSORZIO NAZIONALE IMBALLAGGI | 18 | 14 | none reported |
| GLOBAL 2000, Friends of the Earth Austria | 18 | 7 | none reported |
| Ragn Sells AS | 18 | 12 | €25,000/yr |
| Cruelty Free Europe | 17 | 13 | none reported |
| PowerShift - Verein fuer eine oekologisch-solidarische Energie- & Weltwirtschaft e.V. | 17 | 10 | none reported |
| The European Institute for Animal Law & Policy | 17 | 10 | none reported |
| Business Alliance for Climate Action | 16 | 13 | €100,000/yr |
| Chemicals, Health and Environment Monitoring Trust | 16 | 10 | none reported |
| Citizens' Climate Europe | 16 | 11 | none reported |
| Green 10 | 16 | 8 | none reported |
| World Wide Fund for Nature Belgium | 16 | 10 | none reported |
| Both ENDS | 15 | 6 | none reported |
| ERION COMPLIANCE ORGANIZATION S.C.A R.L. | 15 | 15 | €100,000/yr |
| Earthsight | 15 | 11 | none reported |
| Environmental Justice Foundation | 15 | 11 | none reported |
| Gaz Réseau Distribution France | 15 | 10 | €300,000/yr |
| SURFRIDER FOUNDATION EUROPE | 15 | 13 | none reported |
| Suomen luonnonsuojeluliitto - The Finnish Association for Nature Conservation | 15 | 8 | none reported |
| Carbon Management Europe | 14 | 8 | €300,000/yr |
| European Trade Justice Coalition (formerly S2B Network) | 14 | 13 | none reported |
| Klima Allianz Deutschland e.V. | 14 | 6 | €10,000/yr |
| Secrets Toxiques | 14 | 4 | none reported |
| WWF Italia | 14 | 7 | none reported |
| Animal Society e.V. | 13 | 9 | none reported |
| ContactEurope Malgorzata Handzlik | 13 | 8 | €20,000/yr |
| Deutscher Tierschutzbund - German Animal Welfare Federation | 13 | 8 | none reported |
| Fondation 30 Millions d'Amis | 13 | 11 | none reported |
| Foundation for a Living Baltic Sea - Baltic Sea Action Group | 13 | 7 | €300,000/yr |
| Mighty Earth | 13 | 4 | none reported |
| Partnership for Policy Integrity | 13 | 7 | none reported |
| WO=MEN Dutch Gender Platform | 13 | 6 | €100,000/yr |
| Ellen MacArthur Foundation | 12 | 7 | none reported |
| International Chemical Secretariat | 12 | 7 | none reported |
| International Emissions Trading Association | 12 | 2 | €300,000/yr |
| THE NATURE CONSERVANCY IN EUROPE gemeinnützige GmbH | 12 | 9 | none reported |
| Danmarks Naturfredningsforening (The Danish Society for Nature Conservation) | 11 | 6 | none reported |
| Generation Climate Europe AISBL | 11 | 8 | none reported |
| Halte à l'obsolescence programmée (HOP) | 11 | 5 | none reported |
| Compagnie Nationale du Rhône | 10 | 7 | €100,000/yr |
| Cool Heating Coalition | 10 | 9 | none reported |
| DAIKIN Europe NV | 10 | 10 | €25,000/yr |
| Denuo vzw/asbl | 10 | 8 | €50,000/yr |
| Générations Futures | 10 | 9 | none reported |
| Imerys SA | 10 | 9 | €500,000/yr |
| Natuurpunt vzw | 10 | 7 | none reported |
| Protect Our Winters Europe | 10 | 8 | none reported |
| The Pew Charitable Trusts | 10 | 6 | none reported |
| Wetlands International - European Association | 10 | 8 | none reported |
| "Business for CBAM Coalition" | 9 | 9 | none reported |
| Aggregates Europe | 9 | 7 | €500,000/yr |
| Amis de la Terre France | 9 | 5 | none reported |
| BalticWaters | 9 | 4 | none reported |
| Ecologic Institute | 9 | 6 | none reported |
| Ecosia | 9 | 5 | €100,000/yr |
| NGO Shipbreaking Platform | 9 | 9 | none reported |
| Nadace Partnerství | 9 | 5 | none reported |
| Oceano Azul Foundation | 9 | 8 | none reported |
| QuotaClimat | 9 | 7 | none reported |
| Stichting World Benchmarking Alliance Foundation | 9 | 6 | €10,000/yr |
| Södra Skogsägarna ekonomisk förening | 9 | 7 | €100,000/yr |
| AMORCE | 8 | 6 | €300,000/yr |
| Bond Beter Leefmilieu Vlaanderen vzw | 8 | 6 | none reported |
| Climate Parliament ASBL | 8 | 3 | none reported |
| Ekologiska Lantbrukarna | 8 | 3 | €300,000/yr |
| European Cocoa Association | 8 | 6 | €50,000/yr |
| RELOOP | 8 | 7 | €100,000/yr |
| RENAS AS | 8 | 6 | €25,000/yr |
| Vereniging Milieudefensie | 8 | 5 | none reported |
| World Horse Welfare | 8 | 7 | none reported |
| Zero Waste France | 8 | 6 | none reported |
| Aggeres | 7 | 7 | €25,000/yr |
| Bont voor Dieren | 7 | 6 | none reported |
| Chemelot | 7 | 5 | €10,000/yr |
| Cleantech for Benelux | 7 | 6 | none reported |
| European Association of Communications Agencies | 7 | 7 | €50,000/yr |
| Fondation Brigitte Bardot | 7 | 4 | €10,000/yr |
| Galloo France | 7 | 4 | €25,000/yr |
| Global Sustainable Tourism Council | 7 | 2 | none reported |
| Grundfos Holding A/S | 7 | 5 | €100,000/yr |
| NG Nordic AS | 7 | 5 | €50,000/yr |
| National Society of Conservationists -Friends of the Earth Hungary (Magyar Termeszetvedok Szovetsege) | 7 | 6 | none reported |
| Rainforest Alliance | 7 | 6 | none reported |
| SEA SHEPHERD FRANCE | 7 | 5 | none reported |
| Sciaena - Ocean # Conservation # Awareness | 7 | 7 | none reported |
| Umweltinstitut München e.V. | 7 | 5 | none reported |
| Umweltorganisation WWF Central and Eastern Europe | 7 | 6 | none reported |
| Avfall Sverige | 6 | 3 | €10,000/yr |
| Climate Group (UK registered name: The Climate Change Organisation) | 6 | 5 | €50,000/yr |
| Conservation International Europe | 6 | 5 | none reported |
| Ecolabelling Sweden | 6 | 5 | €25,000/yr |
| Ember Energy Research CIC (trading as Ember) | 6 | 5 | none reported |
| FUNDACIÓN ECOLOGÍA Y DESARROLLO | 6 | 5 | none reported |
| France Nature Environnement | 6 | 5 | none reported |
| Kierrätysteollisuus ry, Återvinningsindustrin rf (The Recycling Industries of Finland) | 6 | 3 | €25,000/yr |
| LEGAMBIENTE NAZIONALE – APS – RETE ASSOCIATIVA – ETS | 6 | 4 | none reported |
| Mission Possible Partnership | 6 | 6 | €50,000/yr |
| Natuurmonumenten | 6 | 3 | none reported |
| PEFC International | 6 | 4 | €100,000/yr |
| Sustainable Water Network (SWAN) CLG | 6 | 4 | none reported |
| Sveriges Sportfiske- och Fiskevårdsförbund (Sportfiskarna) | 6 | 3 | none reported |
| Syctom Agence métropolitaine des déchets ménagers | 6 | 5 | €100,000/yr |
| Tiina ja Antti Herlinin säätiö | 6 | 5 | none reported |
| European Association of Zoos and Aquaria | 5 | 5 | €100,000/yr |
| European Industrial Gases Association AISBL | 5 | 4 | €200,000/yr |
| European Recycling Platform SAS | 5 | 3 | €25,000/yr |
| Federation Belge du Secteur de l'Eau | 5 | 4 | €10,000/yr |
| Forum Umwelt und Entwicklung | 5 | 4 | none reported |
| Fundacja WWF Polska | 5 | 3 | none reported |
| Fédération Nationale des Activités de Dépollution et de l'Environnement | 5 | 5 | €100,000/yr |
| Hazardous Waste Europe | 5 | 4 | €50,000/yr |
| ISEAL Alliance | 5 | 4 | none reported |
| NatureWorks LLC | 5 | 5 | €200,000/yr |
| Opportunity Green | 5 | 4 | none reported |
| Paprec Group | 5 | 4 | €300,000/yr |
| Patagonia Europe Coöperatief | 5 | 4 | €100,000/yr |
| Pro Wildlife | 5 | 4 | none reported |
| ROBIN WOOD -- Gewaltfreie Aktionsgemeinschaft für Natur und Umwelt e.V. | 5 | 2 | none reported |
| SDSN Association Paris | 5 | 2 | none reported |
| Sustainable Eel Group | 5 | 2 | €10,000/yr |
| The International Association of Independent Tanker Owners | 5 | 5 | €25,000/yr |
| Verein der Zuckerindustrie e.V. | 5 | 5 | €10,000/yr |
| Wildlife Conservation Society European Union office | 5 | 4 | none reported |
| Youth and Environment Europe | 5 | 2 | none reported |
| Agroecology Europe | 4 | 4 | none reported |
| Animals International (The global arm of Animals Australia) | 4 | 2 | €10,000/yr |
| Asociación Española para el Tratamiento Medioambiental de los Vehículos Fuera de Uso | 4 | 4 | €25,000/yr |
| BeZero Carbon Ltd | 4 | 3 | €10,000/yr |
| Biom Association | 4 | 3 | none reported |
| BirdWatch Ireland | 4 | 3 | €25,000/yr |
| Center for International Environmental Law | 4 | 4 | none reported |
| EcoPeace Middle East | 4 | 4 | none reported |
| European Association of Remote Sensing Companies | 4 | 4 | €900,000/yr |
| European Compost Network ECN e.V. | 4 | 4 | €200,000/yr |
| European Historic Houses | 4 | 4 | €100,000/yr |
| Fair Resource Foundation | 4 | 3 | none reported |
| Global Reporting Initiative | 4 | 2 | none reported |
| Global South CDR Coalition | 4 | 4 | none reported |
| ITA AIRWAYS | 4 | 2 | €50,000/yr |
| Industriegaseverband e.V. | 4 | 4 | €10,000/yr |
| Internationale Arbeitsgemeinschaft der Wasserwerke im Rheineinzugsgebiet | 4 | 4 | €25,000/yr |
| Mondi Group | 4 | 4 | €200,000/yr |
| One Planet Business for Biodiversity | 4 | 4 | €100,000/yr |
| People for the Ethical Treatment of Animals Foundation | 4 | 2 | none reported |
| Ruhrverband | 4 | 3 | €10,000/yr |
| SEY Suomen eläinsuojelu | 4 | 3 | none reported |
| Saami Council Headquarters | 4 | 3 | none reported |
| Stiebel Eltron GmbH & Co. KG | 4 | 4 | €50,000/yr |
| The Irish Wildlife Trust | 4 | 3 | none reported |
| Umweltbundesamt GmbH - Environment Agency Austria | 4 | 3 | none reported |
| United for Climate Justice | 4 | 3 | none reported |
| Universidade de Coimbra | 4 | 3 | none reported |
| VEREIN GEGEN TIERFABRIKEN | 4 | 1 | none reported |
| WePlanet | 4 | 4 | none reported |
| Women Engage for a Common Future | 4 | 3 | none reported |
| Österreichischer Raiffeisenverband | 4 | 3 | €50,000/yr |
| Animal Law Italia ETS | 3 | 3 | none reported |
| British and Irish Association of Zoos and Aquariums | 3 | 3 | none reported |
| CARBIOS | 3 | 1 | €10,000/yr |
| CITTADINI PER L'ARIA | 3 | 3 | none reported |
| Cascale, Inc. | 3 | 2 | €400,000/yr |
| Centrum pro dopravu a energetiku, z.s. | 3 | 2 | none reported |
| Climate Bonds Initiative Europe | 3 | 3 | none reported |
| Coalition Clean Baltic | 3 | 2 | none reported |
| DERICHEBOURG ENVIRONNEMENT | 3 | 3 | €50,000/yr |
| ECOCITY | 3 | 2 | none reported |
| EU Dog & Cat Alliance | 3 | 2 | €10,000/yr |
| EUCOBAT | 3 | 3 | €400,000/yr |
| Environmental Justice Network Ireland | 3 | 2 | none reported |
| EucoLight | 3 | 3 | €25,000/yr |
| European Grandparents for Climate | 3 | 3 | none reported |
| FEBELAUTO | 3 | 3 | €10,000/yr |
| France Mobilité Biogaz | 3 | 3 | €10,000/yr |
| Föderation der Natur- und Nationalparke Europas (Föderation EUROPARC) e.V. | 3 | 3 | none reported |
| German Centre for Integrative Biodiversity Research | 3 | 3 | none reported |
| GermanZero e.V. | 3 | 2 | none reported |
| Global Sea Mineral Resources | 3 | 3 | €10,000/yr |
| Green REV Institute | 3 | 3 | none reported |
| Hnutí DUHA - Friends of the Earth Czech Republic | 3 | 3 | none reported |
| Institut National de l'Economie Circulaire | 3 | 3 | none reported |
| International Institute for Sustainable Development Europe | 3 | 3 | none reported |
| Irish Environmental Network | 3 | 3 | none reported |
| Klimadelegation e.V. | 3 | 3 | none reported |
| Michael Succow Stiftung | 3 | 2 | none reported |
| NATURE & PROGRES ASBL | 3 | 2 | none reported |
| Natuur & Milieu | 3 | 2 | none reported |
| Openbare Vlaamse Afvalstoffenmaatschappij | 3 | 1 | none reported |
| Perstorp Holding AB | 3 | 3 | €200,000/yr |
| Pestizid Aktions-Netzwerk e.V. | 3 | 2 | none reported |
| Project Canary | 3 | 3 | €25,000/yr |
| Quaker Council for European Affairs | 3 | 3 | none reported |
| ReAct - Action on Antibiotic Resistance | 3 | 3 | none reported |
| Rise for Climate Belgium | 3 | 3 | none reported |
| Romero Initiative | 3 | 1 | none reported |
| STARCH EUROPE | 3 | 1 | €900,000/yr |
| The Born Free Foundation | 3 | 2 | none reported |
| The Climate Reality Project Europe | 3 | 2 | none reported |
| 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 | none reported |
| Återvinningsindustrierna | 3 | 3 | €50,000/yr |