• Development Agency of Eastern Thessaloniki’s Local Authorities (Grecia)  Capofila
• North Denmark Region (Danimarca)
• Città Metropolitana di Bologna (Italia)
• ERVET (Italia)
• Regional Council of South Ostrobothnia (Finlandia)
• JPYP Business Service (Finlandia)
• Bulgarian Association of Municipal Environmental Experts – BAMEE (Bulgaria)
• Welsh Government (Regno Unito)
• Region of Central Macedonia (Grecia)