Güney Doğu Avrupa, Akdeniz Ülkeleri Bölgesel Araştırma Ağı
- Bosna Hersek, BASWA - Bosnian Solid Waste Association
- Hırvatistan, CROWMA – Croatian Waste Management Association
- Yunanistan, HSWMA – Hellenic Solid Waste Management Association
- Macaristan, FKF Nonprofit Zrt
- İsrail, DRAT – The Dan Region of Association of Towns, Sanitation and Waste Disposal
- Makedonya, MaSWA – Macedonian Solid Waste Association
- Romanya, ARMD - Romanian Association of Waste Management
- Türkiye, Turkish National Committee on Solid Wastes
- Sırbistan, SeSWA – Serbian Solid Waste Association
