As the companies emerged to build the houses and develop the neighborhood, they produced a surplus of materials to be sold to other housing developments in Santiago and became involved in the construction of other projects in the district such as banks and supermarkets and even the Parque Industrial neighboring the Villa Alvarado, 1967; Haramoto, 1980; San Martín, 1988; San Martín, 1992.
Si bien son empresas que surgen para construir sus propias casas y urbanizar su barrio, producen excedentes de materiales que venden a otros conjuntos de vivienda de Santiago, a la vez que se involucran en la construcción de otras obras de la comuna como bancos y supermercados, e incluso el Parque Industrial vecino a la villa Alvarado, 1967; Haramoto, 1980; San Martín, 1988; San Martín, 1992.