The Danish Institute at Athens - http://www.diathens.com/ The Institute supports research and studies in archaeology, history, literature, architecture, art history, cultural tradition and language, as well as the work of Danish creative artists and craftsmen.
A. G. Leventis Foundation - http://www.leventisfoundation.org/ Philanthropic organization supports a wide range of activities and events in the cultural and historical fields of Greece, and the restoration of a number of monuments from various periods.
Greek Society for Archaeometry - http://www.archaeometry.gr/oldv/news.htm Non-profit association for the purpose of promoting the application of Science and Technology to the fields of Archaeology, History of Art and generally in all issues involving the cultural heritage.
Anthropological Association of Greece - http://www.aee.gr/english/1contents/contents.html Non-profit research society promoting anthropological sciences. Collecting data and material on palaeoanthropolgy, ethnogenesis, ethnology, linguistics, archaeology, archaeometry, palaeontology, spelaeology, genetics, geology, sociology, statistics, philosophy, anthropology of current populations, as well as on any relevant science.
The American School of Classical Studies at Athens - http://www.ascsa.edu.gr/ Resource for American scholars of the language, literature, art, history, archaeology, and philosophy of Greece and the Greek world from pre-Hellenic times to the present.