阿尔及利亚国家石油公司是阿尔及利亚的一家国有企业,主业是开采利用其国内的烃资源。它的业务包括勘探，采掘，运输和炼制，也进入了石油化学和海水淡化行业。

Sonatrach (Arabic:المؤسسة الوطنية للتنقيب, صناعة, نقل, تحويل و تسويق المحروقات‎ or French:Société Nationale pour la Recherche, la Production, le Transport, la Transformation, et la Commercialisation des Hydrocarbures s.p.a.) is an Algerian government-owned company formed to exploit the hydrocarbon resources of the country. It has some concessions in Libya, Mauritania, Peru, Yemen and Venezuela. Its diversified activities cover all aspects of production: exploration, extraction, transport, and refining. It has diversified into petrochemistry and the desalination of seawater.