Companies established in 1716

Sociedad Estatal de Correos y Telégrafos, S.A., S.M.E. (), trading under the name Correos (, "packages"), is a state-owned postal service and courier for Spain and Andorra, the latter bilateral with French-equivalent La Poste. Based in Madrid, it is one of the largest postal services in the world. Across Spain, it has more than 53,000 employees, over 10,000 branches and sends 5.4 billion pieces of mail each year.