KORINTHOS POWER S.A.
FACILITIES OF ATHENS, AG. THEODOROI KORINTHIAS
Services
ISO 9001 / ISO 14001 / OHSAS 18001
PROTERGIA Α.Ε.
FACILITIES OF ATHENS, AG. NIKOLAOS VIOTIAS
Services
ISO 9001 / ISO 14001 / OHSAS 18001 / ELOT 1801
PUBLIC POWER CORPORATION – DEPARTMENT OF HEALTH AND SAFETY AT WORK
Services
ISO 9001
GAS SUPPLY COMPANY OF THESSALONIKI S.A.
Services
ISO 9001
GAS SUPPLY COMPANY OF THESSALIA S.A.
Services
ISO 9001