Although the process of globalization suggests that Small and Medium Enterprises (SMEs) should have access to global markets, in practice, SMEs face many difficulties to export. Only a small fraction is successful getting access to global markets. SMEs in developed and developing countries face internal and external obstacles to enter into foreign markets. Governments and non-governmental institutions have been increasing their programs and resources designated to support SMEs under the premise that they represent a strong opportunity for their economy’s growth. This book analyze the most severe internal obstacles that Mexican SMEs perceive to export. This book also explore social capital of SMEs from a relational stand point in order to understand the role of social networks in overcoming these obstacles to export. This book is relevant to managers and policy makers because suggests opportunities to create incentives for exportation through the use of social networks. Managers,can obtain a better understanding of the most severe obstacles that companies face and ways in which social networks might help to solve these problems.