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.)
Compañía Primitiva de Gas de Buenos Aires Ltda. Board of the Primitiva acquired the "Sociedad de Luz Eléctrica Edison", the main electrical plant of the city. The Primitiva was dedicated to the Electric Lighting of Buenos Aires until 1920. year in which it lost the concession. The Compañía Primitiva de Gas de Buenos Aires Ltda registered its name in 1901, and changed its original name in 1910 as "Primitiva Gas and Electric Lighting Company of Buenos Aires". In 1901 the company's capital was £ 1,200,000 sterling. In 1944 the national government decreed the nationalization of Compañía Primitiva de Gas. The company ceased its functions on March 5, 1945,