Bay Zoltán Nonprofit Ltd. is Hungary's leading applied research institution, their fields of research are: bioremediation, biorefinery, land rehabilitation, Applied microbiology in environment protection, Hydro-, bio- and environmental analytics, development of related measurements.

APRAVis a public body, it's a scientific –technical institution of Veneto Region, engages in environment protection and monitoring.

ETRA Spa is a public company which mainly deals with integrated water supply, waste management and renewable energy services.

AMTP is a waste utility that participates the projects focused on new standards and innovative solutions implementation on environment protection field.

ATM is a service organization for its 104 municipalities in the district of Innsbruck-Land (IL) and Schwaz (SZ). As non-profit organization all waste-management issues from marketing of certain collected waste streams at municipal collection sites to consulting and accounting are provided to its municipalities.

RERAin the field of Circular economy, acting as regional development agency, it can combine project strategies & results in the Split-Dalmatia County Development Strategy that recognize the Circular economy as potential for economic development of the County and the Cities of Split, Solin, Kaštel.

CIST is one of the most important waste utility company for collecting and disposing of waste operating in the Splitsko-Dalmatinska Županija.