RECOMMENDATION LETTERS GNOMON A.T.E – METRIX T.A.E. and Co GENERAL CONSTRUCTION COMPANY S.A. AEGEK-VIOTER-AKTOR-EKTER SA JOINT VENTURE HELLAS GOLD S.A. ROIRET INSO S.p.A. ARCON CONSTRUCTIONS EGNATIA BANK ALPINE MAYREDER BAU GmbH
