The present article is the result of an investigation guided from Argentina by two known experts in economy and media behavior studies, Guillermo Mastrini and Martin Becerra, as a request from the Instituto Prensa y Sociedad, Ipys. The objective, know the behavior of media and cultural industries from Latin America, worried by the repercussion that this type of monopolist practices have on the freedom of speech. My objective as a teacher, from a qualitative and quantitative study, is to share the results of how is being giving the concentration of cultural industries from the country in the last decade, between the periods of 2000-2005, and from there, set bases for a new research over the same phenomenon in the last five years in Colombia.