The method of selection of the enterprises in the cluster, based on vertical integration

The article presents a methodology for assessing the possibility of entering of applicants in the oil cluster to determine the status of each core cluster formation, the base, support, ancillary, complementary businesses. The methodology is based on the theory of fuzzy sets. Given a system of indicators for evaluation of the cluster potential of applicants, by priority level. The article focuses on the necessity of forming the oil cluster in the Stavropol region.