Hellenic Petroleum, together with its subsidiaries, operates in the energy sector. The Company engages in the supply, refining, and trading of petroleum products, marketing of fuels, production and trading of petrochemicals/chemicals, exploration and production of oil and gas, and generation and trading of power. It is also involved in the production, distribution, and trading of renewable energy sources, provision of financing and other financial services, retail trade of liquid fuels and LPG, operation of tankers, exploration and production of hydrocarbons, trade, distribution, and storage of oil products, operation of crude oil pipelines, owning of vessels, production and marketing of polypropylene, BOPP films, and solvents, trading of imported plastics and chemicals, and provision of treasury services.