Elinoil Hellenic Petroleum Company S.A. (ELIN.AT) is a Greece-based integrated energy company engaged in the trading, supply, and distribution of liquid and solid fuels, lubricants, electricity, and natural gas. Founded in 1954 and headquartered in Kifissia, Greece, the company operates as a subsidiary of Ilium S.A. and maintains a nationwide network of over 550 petrol stations; it supplies heating oil via a dedicated fleet of privately owned tanker trucks; provides yachting fuels and marine lubricants to vessels through investments in marinas; offers vehicle, industrial, and marine lubricants including greases and special products; trades solid fuels such as anthracite, coal, petcoke, flexicoke, and metallurgical coke from processing plants in Aspropyrgos and Volos; conducts international exports of petroleum products to four continents; retails differentiated fuels including petrol, diesel, crystal fuels, heavy oil, asphalt, and cutterstocks; supplies electricity and natural gas primarily in Greece; and operates liquid fuel storage terminals in Aspropyrgos, Volos, and Porto Lagos supported by tanker vessels and trucks. Elinoil serves retail consumers, industrial clients, commercial entities, and maritime operators domestically and abroad with infrastructure encompassing three liquid fuel processing plants, solid fuel facilities, and a fleet of maritime tankers. In late 2025, the company transferred its 37% stake in ELIN VERD S.A., a biodiesel production joint venture, to Motor Oil for Euro 4 million, adjusting its energy mix amid sector transitions; it continues to expand electricity and natural gas sales while enhancing sustainable operations across its segments including Elin Techniki for construction projects and Elin Stations for fuel retail exploitation.