Istituto Ellenico di Studi Bizantini e Postbizantini di Venezia
Istituto Siciliano di Studi Bizantini e Neoellenici "Bruno Lavagnini"
Oxford Centre for Byzantine Research
Byzantine Institute of America's Fieldwork
Collections - Harvard University
Byzantium: Byzantine Studies On The Internet - Fordham University
Institut für Byzantinistik und Neogräzistik - Universität Wien
The Axion
Estin Foundation (προώθηση της βυζαντινής μουσικής στη βόρειο Αμερική)
Centrul de Studii Bizantine
Hellenic Observatory (HO)
Centre for Byzantine, Ottoman and Modern Greek Studies