In this article, by investigating the nature of post national companies and their status in international political economy it is attempted, to show that great evolution has been occurred in diplomacy and persons having role in it and by entering these companies into field of international relations two additional aspects have been added to diplomacy other than diplomacy of governments: company government & company- company diplomacy. Also we intend to prove that by entring of post national companies, it will not result to development in countries of world specially developing countries. rather by investigating a kind of government which is called developing based government that is particular to developing countries. we will show that characteristics of this government and kind of its exchange with post national companies will result in bringing development in such countries.
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