Centre national de la recherche scientifique

France Contact will help you plan and arrange your stay in France.
http://www.expatries.diplomatie.gouv.fr/annuaires/annuaires.htm (in French)
The Kastler Foundation has two principal goals: to facilitate the visits of foreign scientists to France,and to maintain contact with them following their return home.
FNAK helps foreign researchers settle in France and maintains contact after their departure.
http://www.fnak.fr/index.php?setLang=E
http://www.diplomatie.gouv.fr/annuaire/
ABG-Intelli'agence helps young PhDs from any discipline make the transition into business and works to encourage and support the development and expansion of scientific culture by facilitating the training, professionalization and employment of young scientists in laboratories, public institutions and companies both in France and abroad.
http://www.intelliagence.fr/Page/DocteurAndCo/Default.aspx
National agency for promoting French higher education abroad.
Under the oversight of the French government and in close cooperation with institutions of higher education and their associations, CampusFrance promotes French higher education programs throughout the world, offering international students a pathway to success through postsecondary study in France. CampusFrance's role extends from home country to host country and from answering prospective students'first inquiries right down to helping them plan their stay in France and their return home.