Sonatrach (Société Nationale pour la Recherche, la Production, le Transport, la Transformation, et la Commercialisation des Hydrocarbures) is the national state-owned oil company of Algeria.
Founded in 1963, today is the largest company in Africa, and the first African oil "major"; it operates in several fields: exploration, production and transport of hydrocarbons, electricity generation and renewable resources, maritime transport and other activities related to chemical and petrochemical field.