The crisis in Syria, is a conflict in which a great variety of actors from nations to multinational enterprises take part. Likewise the presence of terrorist groups has generated a conflict of interest. Powers like EE.UU, Russia, and China, have intervened in the crisis, arguing that their interference through different mechanisms has generated and balance of the power in Syria. In the case of Russia and China, validate their support of the Syrian government, through the protection of national sovereignty. The support has been guided through diplomatic and military paths. On the other hand, the interference of EE.UU, has been legitimized through international warfare against terrorism. In which, the identification of a common enemy has been essential, as an excuse for the international system to intervene and invade violently in a military and political way. It is important to highlight the role of the Private security companies in the Syrian Conflict