ADMIE (ΑΔΜΗΕ)
AKTOR
EFACEC
ENEL S.p.A
GAMESA
INTRAKAT
PPC (ΔΕΗ Α.Ε)
TERNA/SIEMENS
THYSSENKRUPP MARINE SYSTEMS
VATECH
ALUMINIUM of Greece (Ag. Nikolaos Plant)
FRIESLAND Coberco Dairy Foods
GENERAL HOSPITAL Evangelismos
GENERAL HOSPITAL Polykliniki
LAFARGE GROUP (AGET Chalkis Plant)
LAFARGE GROUP (AGET Volos Plant)
LOULIS GROUP
M.J.MAILIS S.A.
MOTOROIL S.A.
NIREUS S.A. / ILKNAK S.A
OLYMPIC AIR
PPC (ΔΕΗ Α.Ε.) Rodos Plant
RECYCLING PLANT EKAN S.A.
THYSSENKRUPP MARINE / Hellenic Shipyards S.A.
TITAN CEMENT S.A (KAMARI PLANT)
TUPPERWARE HELLAS S.A.I.C.
VIOHALKO GROUP / ELVAL S.A.
VIOHALKO GROUP / SYMETAL S.A.
DIAXON SA
EREN HELLAS
GAMESA HELLAS
HELLENIC PETROLEUM SA
LOULIS MILLS SA
OLYMPIC AIR SA
SYMETAL SA
THYSSEN KRUPP / Hellenic Shipyards
TUPPERWARE HELLAS
ΤΙΤΑΝ Cement SA
OLYMPIC AIR SA
THYSSEN KRUPP / Hellenic Shipyards
TUPPERWARE HELLAS
EFACEC
M.J. MAILLIS SA