City of Belgrade, Serbia
European Centre of Byzantine and Post-Byzantine Monuments, Greece
Hellenic Ministry for Foreign Affaires (General Secretariat of International Economic Relations and Development Cooperation „Hellenic Aid“), Greece
Hellenic Parliament, Greece
Hellenic Ministry of Culture and Turism, Greece
Public Enterprise „Belgrade Fortress“, Serbia
Institute for Protection of Cultural Monuments of Serbia
Arhitectural Faculty University of Belgrade, Serbia
Archaeological Institute, Serbian Academy of Sciences and Arts (SANU), Serbia
Alpha MENTOR L.T.D, Greece
Altervision S.A, Greece
Octanorm Hellas S.A, Greece
GP КОТО, Serbia
