Oil companies of Spain

Repsol S.A. () is a Spanish multinational energy and petrochemical company based in Madrid. It is engaged in worldwide upstream and downstream activities. In the 2022 Forbes Global 2000, Repsol was ranked as the 320th-largest public company in the world. As of 2022, it has 24,000 employees worldwide.

Moeve, S.A., known until October 2024 as Cepsa, (, "Spanish petroleum company, S.A.") is a Spanish multinational integrated energy and petroleum company headquartered at Torre Moeve in the Cuatro Torres Business Area in Madrid.

Petróleos del Norte S.A. (Petronor) is a Spanish oil and gas company based in Muskiz, Basque Country. The company was established on 30 November 1968. From 1976 to 1981, its executive manager was Nemesio Fernández-Cuesta.

Compañía Arrendataria del Monopolio del Petróleo, S.A. (Campsa) was the state-owned petroleum products company of Spain. Created in the 1920s during General Primo de Rivera's dictatorship, it was dissolved in 1992 owing to the demands of the European Union. Its assets were distributed to the largest private petroleum companies in the Spanish market at the time, which were mainly Repsol, Cepsa and BP. The rights to the Campsa brand were given to Repsol. thumb|Campsa service station in Valladolid