In the context of updating the formation of a common Eurasian space is particularly important to study the problem of realization of economic interests of economic entities operating within the system of relationships. Same interests of big business, in this case, play a special role , as it is large business structures , acting as actors of economic activity, are able to set new trends in the development of the economic environment , having sufficient capacity to be able to influence decision- government authorities of administrative decisions. Formation and development of a common Eurasian economic space requires the definition of " growth points" further relations between the states to set foot on the path of integration, and that the organizational form of big business can become a support for building a new system of economic relations. Integration processes in Eurasia based not only on increasing trade between the member countries of integration, but also on their complementarities , formed naturally as a result of centuries of economic cooperation and based on the economic interests of the largest multinational corporations or associations like them , specifying the vector of development of a single economic space. In turn, this single economic space opens up new possibilities for the realization of the economic interests of economic entities , especially for major actors in national economies. This article discusses the main directions of the interests of big business, represented by transnational corporations in the new economic conditions .

Keywords: integration, a single Eurasian space, economic interests, foreign direct investment, multinational corporations.