Exxon Mobil Corporation is the parent of Esso, Mobil and ExxonMobil companies around the world. ExxonMobil è leader del settore in quasi ogni aspetto di energia, petrolio e gas, petrolchimico e del commercio.

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Eni is one of the most important integrated energy companies in the world, active in 83 countries with a staff of 84,000 employees. It operates in the oil and….

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