Repsol is one of the top companies in the oil and gas industry. We are present across the entire value chain: exploration and production, transformation, development, and marketing of energy that is efficient, sustainable, and competitive for millions of people. With over 80 years of experience, Repsol has been present in the entire oil and gas value chain in a sustainable and competitive way. As a result, Forbes positioned us 14th in the ranking of "The 25 largest oil and gas specialized companies in 2017.