Instituto Nacional de Industria acts ended up in failure (e.g., Adaro), INI soon turned itself into the biggest industrial conglomerate of Spain. INI included a broad range of companies, from heavy and basic industries to "soft" services, most of them with E.N., standing for Empresa Nacional (National Corporation), in their names. Among them were: Ensidesa (Empresa Nacional Siderúrgica S.A.)–Aceralia (steel), Enasa (Empresa Nacional de Autocamiones S.A.)–Pegaso (trucks), SEAT (Sociedad Española de Automóviles de Turismo) (cars), INH (Instituto Nacional de Hidrocarburos)–Repsol (Refinería de Petróleos de Escombreras Oil) (oil and gas), ENCE (Empresa Nacional de Celulosas de España) (cellulose, biofuels), ENDASA (Empresa Nacional de Aluminio S.A.)
Sociedad de Conciertos de Madrid Príncipe Alfonso on the Paseo de Recoletos, which was conducted by the composer himself. Other famous conductors who were invited to the Orchestra included Luigi Mancinelli and Jerónimo Giménez. Due to a major economic crisis and irreconcilable disagreements between the section leaders of the Orchestra, the Society was dissolved in 1903. The majority of its members regrouped to form the Orquesta Sinfónica de Madrid, which has continued to play to the present day. Sociedad de Conciertos de Madrid The Sociedad de Conciertos de Madrid () was the first permanent symphony orchestra in Spain. The private Society was founded in 1866