天然氣公司
The company was founded in 1972 by the Spanish Government with the aim of creating a nationwide network of gas pipelines. After privatisation in 1994, Gas Natural acquired a controlling stake in the company. Since Enagás demerged in 2002, Gas Natural gradually decreased its stake to 5%, the maximum allowed for any shareholder by the Government after 30 December 2006. As of 2006, the institutional shareholder was the state-owned holding company Sociedad Estatal de Participaciones Industriales (SEPI) which held 5% of Enagás.