Founded on September 4th 1935, by Bruno Cezar Otero, was the first administration company of the city of Rio de Janeiro. The Administradora Nacional owes to its founder the characteristics it has imprinted on its activities, molding and forming it into a school worthy of being imitated by its competitors. Not a few were the challenges that have passed in these long years, to mention the most important ones: the Vargas' Dictatorship period, the Second War, the 1964 Revolution, the moon landing, the computer revolution, the 30 years of high inflation at Brazil. Therefore, throughout those experience years gained, Nacional feels prepared to face any other challenges that may come.