Diversification of supply chain

The supply chain (SC) will be considered as a competitive strategy and one of the most useful methods by which companies can deliver products to customers effectively, all aspects of great are really importance to companies. However, each company has its own business scale and market areas, the supply chain model must vary to accommodate those dissimilarities. The contributions of the paper are three-fold: introducing three different types of enterprises concerning market regions, examining three types of supply chain models and developing a specific role of entities in the models. Some Small and Medium sized and effectively, are virtually important to companies. Enterprises (SMEs), which have not established a certain SC, may choose a suitable model. This paper draws up three models of SC for enterprises referring.