Ecologic Institute

Ecologic's clients and sponsors include Parliaments, Governments, administrations on the Federal, State and local levels, industrial associations, trade unions, governmental and non-governmental organizations, environmental protection associations as well as consumer protection agencies. Ecologic's work involves national and international policy-makers and business leaders, technical experts and representatives of civil society organizations and covers a growing geographic area with a primary focus on Europe and North America.

International

• Danube Regional Project (DRP)
• European Commission, DG Competition
• European Commission, DG Employment, Social Affairs and Equal Opportunities
• European Commission, DG Environment
• European Commission, DG Information, Communication, Culture, Audiovisual Media
• European Commission, DG Research
• European Commission, DG Trade
• European Commission, Secretariat General
• European Environment Agency (EEA)
• European Parliament, Directorate General Research
• European Topic Centre on Air and Climate Change (ETC/ACC)
• Global Environment Facility (GEF)
• Inter-American Development Bank (IDB)
• International Commission for the Protection of the Danube River (ICPDR)
• Interreg IIIB North Sea Programme
• North Atlantic Treaty Organization (NATO)
• Organisation for Economic Co-operation and Development (OECD)
• Organization for Security and Co-operation in Europe (OSCE)
• The Baltic Marine Environment Protection Commission, Helsinki Commission (HELCOM)
• United Nation Environment Programme, Mediterranean Action Plan (UNEP/MAP)
• United Nations Development Program (UNEP)
• United Nations Office for Project Services (UNOPS)
• United Nations University (UNU)
• World Bank

Governments

• Agence de l'eau Artois-Picardie
• Agence de l'Environnement et de la Maîtrise de l'Energie (ADEME)
• Parliament party Alliance 90 / The Greens of the German Bundestag 
• Austrian Federal Ministry of Agriculture, Forestry, Environment and Water Management
• Bavarian State Ministry for Regional Development and Environmental Affairs
• Belgian Federal Ministry of Social Affairs, Public Health and the Environment
• British Embassy Berlin
• Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ)
• Economic Development Corporation North Rhine-Westphalia
• Enquete Kommission "Schutz des Menschen und der Umwelt" des Deutschen Bundestages
• Environment Agency of England and Wales Environment Audit Committee of the House of Commons
• German Federal Agency for Nature Conservation (BfN)
• German Federal Environmental Agency (UBA)
• German Federal Foreign Office (AA)
• German Federal Ministry for Economic Cooperation and Development (BMZ)
• German Federal Ministry for Education and Research (BMBF)
• German Federal Ministry for the Environment, Nature Conservation and Nuclear Safety (BMU)
• German Federal Ministry of Economics (BMWi)
• German Working Group of the Federal States on water problems (LAWA)
• Hellenic Ministry of Environment, Spatial Planning and Public Works (YPEHODE)
• Institute of Geology and Mineral Exploration (IGME)
• InWent - Capacity Building International 
• Ministry for Environment and Nature Protection, Agriculture and Consumer Protection Northrhine-Westphalia (MURL)
• Ministry for the Environment, Agriculture, and Forestry of Hesse (MULF)
• Ministry of Agriculture, Natural Resources and Environment, Cyprus
• Ministry of the Environment and Transport of the State of Baden-Wurttemberg (UVM)
• Milan municipality
• Netherlands Ministry of Housing, Spatial Planning and the Environment (VROM)
• Office of Technology Assessment at the German Parliament (TAB)
• Office of Water Services (OFWAT)
• Scottish Environment Protection Agency (SEPA)
• Service d'Etudes Techniques Route et Autoroute (SETRA)
• Swiss Federal Office for the Environment (FOEN)
• Swiss Federal Office of Energy (SFOE)
• UK Department for Environment, Food and Rural Affairs (DEFRA)
• US Dipomatic Mission to Germany

Non-governmental Organizations

• Anglo-German Foundation for the Study of Industrial Society (AGF)
• Austrian Association of Cities
• Austrian chamber of labour (AK Wien)
• Baltic Environment Forum (BEF)
• Bertelsmann Stiftung
• Deutsche Bundesstiftung Umwelt (DBU) 
• European Environmental Advisory Councils (EEAC)
• Federation of German Consumer Organisations (vzbv) Friedrich-Ebert-Foundation (FES)
• Fundação Luso-Americana para o Desenvolvimento (FLAD)
• German Council for Sustainable Development (RNE)
• German Foundation for International Development (DSE)
• German League for Nature and Environment (DNR)
• Greenpeace Germany
• Heinrich-Boell-Foundation (HBS)
• Industriegewerkschaft Metall (IG Metall) 
• IUCN European Regional Office
• KfW Development Bank 
• The German Council of Environmental Advisors (SRU)
• World Wide Fund for Nature (WWF ), Germany  
• World Wide Fund for Nature (WWF), Austria
• World Wide Fund for Nature (WWF), International

Business

• Berlin Centre of Competence for Water (KWB)
• Daimler Benz Research & Technology
• Delphi International Ltd.
• econsense - Forum for Sustainable Development of German Business
• Entsorga gGmbH
• Environment Resource Management (ERM)
• German Association for Water, Wastewater and Waste (ATV-DVWK)
• Infoterra Ltd.
• Soil and Water Ltd.
• Vodafone D2
• Water Research Centre (WRc)