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.)
Rock-Ola its production line through the Great Depression to include furniture. Starting in 1935, Rock-Ola sold more than 400,000 jukeboxes under the "Rock-Ola" brand name, which predated the rock and roll era by two decades, and is thought to have inspired the term. Rock-Ola became a prime contractor for production of the M1 carbine for the US Military during World War II. Rock-Ola machined receivers, barrels, bolts, firing pins, extractors, triggers, trigger housings, sears, operating slides, gas cylinders, and recoil plates. Rock-Ola used its furniture machinery to manufacture stocks and handguards for its own production and for other prime contractors, and