Nikolaos Christos Koritsas

Hellenic Railways Organisation SA provides railway transportation services. It runs rail services in northern Greece from the Karolou Street terminus to the Peloponnese Sina Street station. The company was founded in 1970 and is headquartered in Athens, Greece.

European Association of Geoscientists & Engineers is a non-profit organization that provides a global network of commercial and academic professionals to all members. It offers events, publications, educational programmes, student programmes, and recruitment. The company was founded in 1951 and is headquartered in Houten, the Netherlands.

Athens Medical Group SA is engaged in medical services. Its services include critical illness, lifestyle medicine and continuing education. The company was founded by Georgios V. Apostolopoulos in 1984 and is headquartered in Athens, Greece.