The purpose of this research is to review a sample of literature in the area of supply chain integration. Considering the extensive amount of literature on supply chain integration, it appears that it is still in its infancy. This study reviews a sample of 152 articles and in doing so throw light on different aspects of supply chain integration namely: vertical integration, functional integration, integration models .It discusses and criticizes the current state of literature on this context so that future researches find directions to contribute to missing points and remove obstacles. The scope of this review is limited to a cross-section of the literature in this area. As such, it cannot, and does not, attempt to be an examination of the full range of the literature, but a sampling of important and influential works.