Bpifrance also known as the Banque publique d'investissement is a French public sector investment bank. It is a joint venture of two state owned enterprises: the Caisse des dépôts et consignations and EPIC Bpifrance Group. From Wikipedia
Eric Lombard is prohibited from handling matters related to Caisse des dépôts, La Poste, and Bpifrance due to conflict of interest concerns, with the Premier ministre assuming these responsibilities.