Belgrade has received 11 offers for the project. The bids are from Feom Ciro Frisoli & C.Sas (Italy), WTE Wassertechnik / Jessen (Germany), Suez Environnement (France), Valoriza / Terna Energy (Greece), Urbaser (Spain), Helector (Greece), Innovative Design Bureau Ecological Technologies (Russia), Veolia (France), C. I. S. A. (Italy), Beootpad d. o. o. (Serbia), Vinci Environnment (France)