The organizations and institutions, which put their trust in us, and with which we cooperate in our daily work, are:


Wilderness Fund with its international and national organizations:
WWF International – Danube-Carpathian Program
WWF - Austria
WWF - Germany - Auen Institut
WWF - Greece
WWF - Denmark
Komitee gegen den Vogelmord e.V. (Committee Against Bird Slaughter)

British Trust for Conservation Volunteers (BTCV)
Frankfurt Zoological Society
Black Vulture Conservation Foundation
Central and East European Working Group for the Enhancement of Biodiversity (CEEweb for Biodiversity)
International Nature Network -
Milvus Group – Romania

Vogelpark Walsrode Fonds GmbH
Fledermausschutz- und forschung in Österreich (KFFÖ) - Austrian Coordination Centre for Bat Conservation and Research (KFFOE)


Ministry of Environment and Waters (MoEW)
Ministry of Agriculture and Forests (MAF)
National Nature Protection Service (NNPS)
National Forest Board (NFB)
Regional Inspectorate of Environment and Waters (RIEW)
Regional Forest Boards (RFB), State Forestries (SF), State Game Stations (SGS)
National Agency of Fisheries and Aquaculture -
Union of Hunters and Fishermen in Bulgaria -
Association of Parks in Bulgaria – Directorates of Natural and National Parks in Bulgaria
Bulgarian Ornithological Centre -
WWF – Danube-Carpathian Program - Bulgaria -
Balkani Wildlife Society
Bulgarian Society for the Protection of Birds (BSPB) –
Center for Environmental Information and Education -
Bulgarian Biodiversity Foundation -
Environmental Association Za Zemiata -
Association AGROLINK
Borrowed Nature Association

Fund for Wild Flora and Fauna (FWFF)
Birds of Prey Protection Society
Wilderness Fund Society
Bat Research and Protection Group -
Bulgarian Herpetological Society -
Bulgarian Phytocoenological Society 2001
Central Laboratory of General Ecology, BAS
Union for Protection of the Rhodope Mountains
Le Balkan – Bulgaria Foundation
Gea Chelonia Foundation
Bulgarian Association for Alternative Tourism -
Bulgarian Charities Aid Foundation -
Open Society Institute, Sofia -
Workshop For Civic Initiatives Foundation (WCIF) -
Access to Information Programme -
Bulgarian Center for Not-for-profit Law -
Rehabilitation for the Blind Foundation -
"Media with Human Face" Association
Regional Economic Development and Investment Agency – Kardjali
National Veterinary Medicine Service
Proffessional School in Veterinary Medecine - Stara Zagora
Plovdiv university "Paisii Hilendarski"
Trakia University - Stara Zagora
Private Pet Hospitals Dr. Tzekov -
Regional Natural Museum - Plovdiv -  -
Stara Zagora Project LTD
Zoomania -
Miazoo -
Trolley bus LTD - Stara Zagora

Municipalities and District Administrations