There is approval that the MSMEs exert a great influence in the economy of the metropolitan area of Bucaramanga. The research sought to answer the question of how companies influence economic issues such as job creation and growth in sectors important to the metropolis. The document uses a methodology that crosses the reader through a combination of literature along with interviews and fieldwork surveys on MSMEs. This process aims to access the impact of MSMEs on the economy in terms of economic diversification and country dependence on the primary sector (mining and energy). This study provides supporting evidence that microenterprises play an essential role in economic diversification economy.