Abstract
The changes that live the Algerian economy undoubtedly have a great influence on the
environment of the Algerian economic companies, the opening on the markets through the
partnerships with the international organizations, the foreign countries and the efforts for
adhesion with the organization world of trade obliges the companies to acquire means of
durable competition which enables him to face competition current and probable, national and
international, it is for that that it became essential to find the means adequate to face the hard
competition which is on the markets.
The changes that live the Algerian economy undoubtedly have a great influence on the
environment of the Algerian economic companies, the opening on the markets through the
partnerships with the international organizations, the foreign countries and the efforts for
adhesion with the organization world of trade obliges the companies to acquire means of
durable competition which enables him to face competition current and probable, national and
international, it is for that that it became essential to find the means adequate to face the hard
competition which is on the markets.
One can as follows summarize the contents of this research task: the existence of an
effective information system marketing to his of the company enables him to supervise its
environment and to be up to date, which generates the adaptation to the changes of this last,
and thus to be able to face competition, in conclusion all that has, one can say that the
information system marketing takes part much in the improvement of the competitiveness of
the Algerian companies economic in the shade of the fast changes that life the economy
national.