Since the organisation of the first International HCH and Pesticides Forum in 1992, a large number of donors have supported the activities of the International HCH & Pesticides Association:

• ATM, Afvalstoffren Terminal Moerdijk B:V. The Netherlands
• AVG, Hamburg, Germany
• AVR International, Rotterdam, the Netherlands
• BalBok Engineering Co., Sofia, Bulgaria
• Czech industry
• Danish Environmental Protection Agency – Danish Cooperation for Environment in Eastern Europe (DANCEE), Copenhagen, Denmark
• Department for Environment Food and Rural Affairs (DEFRA), London, United Kingdom
• ECPA, European Crop Protection Association, Brussels, Belgium
• EKOKEM, Finland
• European Commission, Directorate General Environment, Brussels, Belgium
• European Commission, EuropeAid Co-operation Office Europe, Caucasus, Central Asia
• FAO – GEF funded project “Capacity building on Obsolete and POPs Pesticides in Eastern European, Caucasus and Central Asia Countries (EECCA) countries”
• Federal Environment Agency of Germany (UBA), Berlin, Germany
• Federal Ministry for the Environment, Nature Conservation and Nuclear Safety, Germany
• Federal Ministry of Agriculture, Forestry, Environment and Waster Management of Austria (BMLFUW), Vienna, Austria
• Green Cross Switzerland, Zürich, Switzerland
• GTZ Convention Project Chemical Safety
• Hochtief Umwelt, Essen, Germany
• IHOBE, Sociedad Pública Gestión Ambiental, Bilbao, Basque Country, Spain
• Milieukontakt International, Amsterdam, the Netherlands
• Minister of Ecology & Natural Resources, Azerbaijan
• Ministry for the Environment and Nature Conservation and Spatial Planning of Saxony- Anhalt
• Ministry of Environment of the Czech Republic
• Ministry of Environment and Water, Sofia, Bulgaria
• Ministry of the Environment, Helsinki, Finland
• Ministry for Spatial Planning, Housing and the Environment, Basque Country, Spain
• National Ecological Fund, Ministry of Ecology and Natural Resources, Chisinau, Moldova
• Orel – G. Holding Ltd., Bulgaria
• Plant Protection Institute – National Research Institute, Poznan, Poland
• Polish Crop Protection Association, Warsaw, Poland
• Province of Overijssel, Zwolle, the Netherlands
• Ramboll, Virum, Denmark
• Royal Ministry of Foreign Affairs, Oslo, Norway
• Regional Environmental Centre for Moldova (REC Moldova), Chisinau, Moldova
• Secretariat of the Stockholm Convention
• Shanks International, United Kingdom
• Swedish EPA, Stockholm, Sweden
• Swiss Agency for Development Cooperation, SDC, Bern, Switzerland
• Tauw Group, Deventer, the Netherlands
• Trédi International, Paris, France
• UNEP-IETC, Japan