Bulgaria
- Bâlgarska Fondatzia Boiraznoobrazie (Sofia, Bulgaria)
- Ministry of Environment and Water (Sofia, Bulgaria)
- Wilderness Fund Society (Sofia, Bulgaria)
Croatia
- Eurocoast-Hrvatska (Zagreb, Croatia)
- Hrvatsko Biolosko Drustvo (Zagreb, Croatia)
- Hrvatsko Prirodoslovno Drustvo (Zagreb, Croatia)
- Ministarstvo kulture, Uprava za Zastitu Prirode (Zagreb, Croatia)
Czech Republic
- Agentura ochrany prirody a krajiny CR (Praha 4, Czech Republic)
- Cesky svaz ochráncu prírody (Prague 2, Czech Republic)
- Ministry of the Environment (Prague, Czech Republic)
- Správa Krkonosského národního parku (Vrchlabi, Czech Republic)
- Unie Ceskych a Slovenskych Zoologickych Zahrad (Prague 7, Czech Republic)
Estonia
- Eestimaa Looduse Fond (Tartu, Estonia)
- Ministry of the Environment (Tallinn, Estonia)
Georgia
- Georgian Centre for the Conservation of Wildlife (Tbilisi, Georgia)
- Noah`s Ark Centre for the Recovery of Endangered Species (Tbilisi, Georgia)
Hungary
- Goncol Alapitvany (Vac, Hungary)
- International Council for Game and Wildlife Conservation (Budakeszi, Hungary)
- Magyar Madártani és Természetvédelmi Egyesület (Budapest, Hungary)
- Magyar Természetvédok Szovetsége (Budapest, Hungary)
- Ministry of Environment and Water (Budapest, Hungary)
- Nimfea Természetvédelmi Egyesület (Túrkeve, Hungary)
Kazakhstan
- Aziatsko-amerikanskoe partnerstvo (Almaty, Kazakhstan)
- Tethys Scientific Society (Almaty, Kazakhstan)
Lithuania
- Lietuvos Gamtos Fondas (Vilnius, Lithuania)
- Lietuvos Respublikos Aplinkos Ministerija (Vilnius, Lithuania)
Moldova
- Societatea Ecologica BIOTICA (Chisinau, Moldova)
Montenegro
- Zeleni Crne Gore (Podgorica, Montenegro)
Poland
- Centrum Prawa Ekologicznego (Wroclaw, Poland)
- Fundacja EkoFundusz (Warsaw, Poland)
- Instytut Ochrony Przyrody Polskiej Akademii Nauk (Krakow, Poland)
- Instytut Ochrony Srodowiska (Warsaw, Poland)
- Komitet Ochrony Przyrody Polska Akademia Nauk (Wroclaw, Poland)
- Liga Ochrony Przyrody (Warsaw, Poland)
- Narodowa Fundacja Ochrony Srodowiska (Warsaw, Poland)
- Panstwowa Rada Ochrony Przyrody (Warsaw, Poland)
- Polskie Towarzystwo Ochrony Przyrody Salamandra (Poznan, Poland)
- Polskie Towarzystwo Przyjaciol Przyrody pro Natura (Wroclaw, Poland)
- Towarzystwo Przyrodnicze - Bocian (Siedlce, Poland)
Romania
- Asociatia Speologica Exploratorii (Resita, Romania)
- Clubul ecologic UNESCO (Bucharest, Romania)
- EarthVoice Romania (Bucharest, Romania)
- Ministry of Environment and Water Management (Bucharest, Romania)
Russia
- Biodiversity Conservation Centre (Moscow, Russia)
- Center for Russian Environmental Policy (Moscow, Russia)
- Ecodal - Environmental Public Organization of Khabarovsk Krai (Khabaraovsk Krai, Russia)
- Ecologo-prosvetitelskiy centr Zapovedniki (Moscow, Russia)
- Ministry of Natural Resources (Moscow, Russia)
- Pricaspiyskiy Institut Biologicheskikh Resoursov (Makhachkala, Russia)
- St. Petersburg Naturalist`s Society (St. Petersburg, Russia)
- The Wildlife Foundation of Khabarovsk (Khabarovsk, Russia)
Serbia
- Ecolibri Bionet: Nezavisna agencija za ocuvanje biodiverziteta (Belgrade, Serbia)
- Zavod Za Zastitu Prirode Srbije (Belgrade, Serbia)
Slovakia
- DAPHNE-Institut aplikovanej ekologie (Bratislava, Slovakia)
- Slovenska Ekologicka Spolocnost (Nitra, Slovakia)
- Statna ochrana prírody Slovenskej republiky (Banska Bystricia, Slovakia)
- Zdruznie Národnych Parkov a Chránenych Uzemi Slovenska (Tatranska Lomnica, Slovakia)
Slovenia
- Ministrstvo za okolje, prostor in energijo, Agencia Republike Slovenije za varstvo narave (Ljubljana, Slovenia)
Tajikistan
- Assotsiatsiyai Dustdoroni Tabiati Viloyaty Sughd (Khujand, Tajikistan)
- Tajik Association for Forests and Wildlife Protection (Dushanbe, Tajikistan)
Turkmenistan
- Turkmenian Society for Conservation of Nature (Ashgabad, Turkmenistan)
Ukraine
- Environment-People-Law (Lviv, Ukraine)
- Kiev Ecological and Cultural Centre (Kyiv, Ukraine)
- National Ecological Centre of the Ukraine (Kyiv, Ukraine)
Uzbekistan
- Uzbekiston zoologlar jamyiyati (Tashkent, Uzbekistan)
