contemporary economy is characterized by phenomenon of economic concentrations, the integration is consider as the major characteristics of the phenomenon, where the small or medium commercial companies will find themselves obliged to accept one of the two facts, namely, that they either merge with a company or a group of large companies in order to be able to face the competition from the other large companies were internal or external, or to govern on themselves to be eliminated in the result of its presence in the conditions of unequal competition.