摘要：Internationalization is one of the businesses activities that have changed the competitive environment, and has opened new markets and business opportunities. Through actions as exports, it is also seen as a prerequisite for business growth, as an opportunity to generate returns, and even as an alternative to corporate survival (Leonidou, 1995; Morello, 2001). One of the strategies that countries adopt to the internationalization of their companies is related with the promotion of exports, promoted by the government through public and private, in order to help the company to penetrate and expand in international markets through the so-called Market Integration Plans (PIDM), in the case of Spain. For this consideration, the central objective of this the work is to analyze the PIDM impact in the process of internationalization of Spanish companies in general and the castellano-leonesas in particular, the empirical analysis is a descriptive and comparative, and uses statisticcs from Chambers of Commerce
关键词：Internationalization, export, Market Integration Plans (PIDM);internacionalización, exportación, Planes Integrales de Desarrollo de Mercados (PIDM).
