Institut Français pour la Recherche et l'Exploitation de la Mer (French institute for marine research and exploitation). A principal shareholder in CLS.

Ifremer is the "Institut français de recherche pour l'exploitation de la mer"; an oceanographic institution in France, whose name translates to English as the "French Research Institute for Exploitation of the Sea". In 1985, Ifremer partnered with Dr. Robert Ballard for an ultimately-successful expedition to locate the wreck of the Titanic.