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.)
Real Sociedad B between divisions three and four, reaching the promotion playoffs of the former division in 1991 and 2006 but subsequently falling short. In 1992, a change in rules forced the team to change its name, and it was renamed "Real Sociedad de Fútbol B". Liga de Fútbol Profesional's rules prohibit B clubs from having different names from their parent club, the exceptions being Real Madrid Castilla and Sevilla Atlético. A change in the club structure from 2016 means that most Sanse players will be promoted from a new subsidiary, Real Sociedad C (previously known as Berio), who will play in Tercera