Please note that the names in bold are country representatives
CZ Biom
www.czbiom.czMr Jan HabartCzech Republic
| Organisation | Name | Country |
| KBVÖ Kompost & Biogas Verband Österreich www.kompost-biogas.info | Mr Horst Müller | Austria |
| Ingenieurbüro Wellacher e.U. www.ibwellacher.at | Martin Wellacher | Austria |
| VLACO - Flemish Compost Organisation www.vlaco.be | Ms Kristel Vandenbroek | Belgium |
| Croatian Compost Plant Associationwww.kompost.hr | Mr Vedran Šarić | Croatia |
| Premier Shukuroglou Cyprus LtD www.premier.com/cy | Mr Eric Shukuroglou | Cyprus |
| CZ Biom www.czbiom.cz | Mr Jan Habart | Czech Republic |
| ZERA - Zemědělská a ekologická regionální agentura, z.s. www.zeraagency.eu | Zlata Prokešová | Czech Republic |
| Genanvend Biomasse - danish biomass Recycling Association www.genanvendbiomasse.dk | Ms Julie Lykke Jacobsen | Denmark |
| Solum Group www.solum.com | Mr Morten Broegger | Denmark |
| Estonian University of Life Sciences Department of Water Management Institute of Forestry and Rural Engineering mi.emu.ee | Mr Mait Kriipsalu | Estonia |
| Finnish Biocycle and Biogas Association biokierto.fi | Ms Anna Virolainen Mr Christoph Gareis | Finland |
| Hantsch SA www.hantsch.fr | Mr Didier Hantsch | France |
| INRAE Research Unit OPAALE www.inrae.fr | Ms Anne Tremier | France |
| RÉSEAU COMPOST PLUS www.compostplus.org | Ms Karine Claireaux Ms Mathilde Borne | France |
| SYPREA www.syprea.org | Ms Philippine Maronne | France |
| VoxGaia www.voxgaia.fr | Ms Pascale Chenon | France |
| BASF SE - Performance Polymers www.basf.com | Mr Afsaneh Nabifar | Germany |
| BGK - German Compost Quality Assurance Organisation www.kompost.de | Mr David Wilken | Germany |
| BTA www.bta-international.de | Mr Stephan Schulte | Germany |
| Fachverband Biogas www.biogas.org | Mr Mathias Hartel | Germany |
| GKRS - Gütegemeinschaft Kompost Region Süd e.V. www.gkrs.online | Mrs. Claudia Weiermüller | Germany |
| AWN GmbH Biomassezentrum www.awn-online.de | Mr Harald Schaefer | Germany |
| RETERRA Service GmbH www.reterra.de | Ms Barbara Juncker | Germany |
| Hamburg University of Technology; Institute of Waste Water Managment & Water Protection BIOCONVERSION & EMISSION CONTROL GROUP (BIEM) www.eseia.eu | Ms Ina Körner | Germany |
| VHE Verband der Humus- und Erdenwirtschaft e. V. www.vhe.de | Mr Michael Schneider Ms Irmgard Leifert | Germany |
| W.L. GORE & Associates GmbH www.gore.com | Mr Thomas Terpetschnig | Germany |
| Deutsche Gesellschaft für Abfall- und Kreislaufwirtschaft e.V. www.dgaw.de | Sieglinde Groß | Germany |
| N3 Nachhaltigkeitsberatung www.N-hoch-drei.de | Mr Henning Friege | Germany |
| Gütegemeinschaft Kompost Region Bayern e.V. www.rgk-bayern.de | Mr Rüdiger Weiß | Germany |
| Compost Hellas www.compost.gr | Ms Katerina Xenopolou | Greece |
| Biosolids S.A. www.biosolids.gr | Mr Athanasios Savvakis | Greece |
| Hungarian Compost Quality Assurance Association / University of Gödöllö www.komposzt.hu | Mr Laszlo Alexa | Hungary |
| Cré The Composting Association of Ireland www.cre.ie | Mr Tony Breton | Ireland |
| ARS AMBIENTE SRL www.arsambiente.it | Mr Michele Giavini | Italy |
| Biofactory spa (Berco SRL) www.berco.org | Mr Flavio Bizzoni | Italy |
| Integrated Waste Management Research Group Scuola Agraria del Parco di Monza www.monzaflora.it | Mr Enzo Favoino | Italy |
| Italian Compost Consortium CIC www.compost.it www.compostabile.com | Mr Massimo Centemero | Italy |
| NOVAMONT SPA www.novamont.com | Mr Christian Garaffa | Italy |
| SUMUS ITALIA SRL www.sumusitalia.it | Mr Carlo Lusi | Italy |
| Società Agricola Agrisolar SRL | Mr Andrea Ramazzotto | Italy |
| Società Agricola Biogreen SRL | Mr Leonardo Tresoldi | Italy |
| Società Agricola Frassine SRL | Mr Massimo Zanuso | Italy |
| Alma Mater Studiorum University of Bologna, Dept. of Agriculture and Food Sciences https://distal.unibo.it/en/index.html | Mr Claudio Ciavatta | Italy |
| BVOR - Dutch Association of Biowaste Processors www.bvor.nl | Mr Sanne Kaasjager | Netherlands |
| Dutch Waste Management Association www.verenigingafvalbedrijven.nl www.dwma.eu | Mr Unico Vankooten | Netherlands |
| Elsinga policyplanning and innovation www.policyplanning.eu | Mr Jouke Elsinga | Netherlands |
| Sirk Norge www.sirknorge.no | Mr Jens Maage | Norway |
| Grønn Vekst AS gronnvekst.no | Turid Neby Berge | Norway |
| GWDA Spólka Wodno Sciekowa Sp.Zoo www.gwda.pl | Mr Tomasz Wojciechowski | Poland |
| Polish Chamber of Waste Management (PIGO) www.pigo.org.pl | Mr Dariusz Matlak | Poland |
| Environmental Engineering Department/ Fac. of Sci. and Techn./ New University of Lisbon www.fct.unl.ptn | Ms Ana Silveira | Portugal |
| LIPOR www.lipor.pt | Mr Telmo Machado | Portugal |
| MUSAMI - Operações Municipais do Ambiente www.musami.pt | Mr Carlos Botelho | Portugal |
| Valosur http://www.valorsul.pt | Ms Assunção Branco | Portugal |
| Asociatia Romana a Compostului - Romanian Compost Association www.asociatiacompostului.ro | Dr Florin Vaduva | Romania |
| Asociatia Tehnopol Galati | Mr Ionut Mocanu | Romania |
| Eko servis | Mr Vojin Djurdjevic | Serbia |
| Zdroje Zeme, a.s. | Mr Miroslav Marynčák | Slovakia |
| Ministry for the Environment and Spatial planning www.mop.gov.si | Mr Andrej Pristovnik | Slovenia |
| Ategrus www.ategrus.org | Mr Rafael Apraiz Egana | Spain |
| Agencia de Residus de Catalunya www.arc-cat.net | Mr Francesc Giró i Fontanals | Spain |
| REC - Red Espanola de Compostaje www.recompostaje.com | Ms Pilar Bernal | Spain |
| Avfall Sverige - Waste Management Sweden www.avfallsverige.se | Ms Angelika Blom | Sweden |
| Umweko GmbH Umwelt und Kompostberatung www.kompost.ch www.kschleiss.ch | Mr Konrad Schleiss | Switzerland |
| Carbon Clarity www.carbon-clarity.com | Ms Jane Gilbert | UK |