- UPGRADE & MODIFICATION WORKS OF S/S 6001, 6002 AND 6003 / ABB – HELLENIC PETROLEUM ELEFSIS REFINERIES / (E) / 2011-12
- ELECTROMECHANICAL ERECTION OF S/S S-6Α / MOTOR OIL HELLAS / (E) / 2009
- REROUTING OF UNDERGROUND CABLES AT S/S-01 / HELLENIC PETROLEUM ELEFSIS REFINERIES / (E) / 2009
- POWER SUPPLY OF S/S S-5 FROM S/S S-0 AND REPLACEMENT OF CABLES / MOTOR OIL HELLAS / (E) / 2008-11
- ERECTION OF S/S R-7420 / SCHNEIDER ELECTRIC – HELLENIC PETROLEUM / (E) / 2008
- REVAMPING OF SUBSTATIONS S/S01, 02 &03 / HELLENIC PETROLEUM ELEFSIS REFINERY / (E) / 2005
- REVAMPING OF SUBSTATION R7100 / SCHNEIDER ELECTRIC – HELLENIC PETROLEUM / (E) / 2004
- MODERNIZATION OF S/S R-7540 / HELLENIC PETROLEUM / (E) / 1999
- EXTENSIONS – MODIFICATIONS OF S/S R-7400 & R-7600 / HELLENIC PETROLEUM / (E) / 1999
- INSTALLATION OF ERS-EMMS-APS SYSTEMS ON SUBSTATIONS / HELLENIC PETROLEUM / (E) / 1998-99