Α. REFINERIES HELLENIC PETROLEUM S.A. MOTOR OIL (HELLAS) CORINTH REFINERIES S.A. PIPELINE ROUTING REPLACEMENT FROM THE OLD TO THE NEW TUNNEL SOUTHEAST OF NO 10 PUMP STATION MECHANICAL WORKS FOR THE REVAMPING OF LUBRICANT UNITS U-300,400,500 DRACOIL S.A. HELLENIC FUELS S.A. REPLACEMENT OF SHELL RINGS AT NO 18 FIREFIGHTING WATER TANK AT HERAKLION COMPLEX – CRETE ISLAND REPLACEMENT OF BOTTOM INSIDE THE ANNULAR PLATE & INSTALLATION OF RELAX PIPE AT ΤΚ2 TANK AT HERAKLION COMPLEX – CRETE ISLAND B. POWER PRODUCTION PLANTS C. STEEL STRUCTURES – BUILDINGS D. OTHER PROJECTS