(SUPMECA, Mechanical Engineering); the SIGMA Clermont (chemistry, mechanics) 16. Grandes écoles of Biology and other Natural Sciences the École nationale supérieure agronomique (ENSA), Paris (AgroParisTech), Montpellier (SupAgro), Rennes (Agrocampus Ouest), Toulouse (ENSAT), Nancy (ENSAIA), Bordeaux (Sciences Agro); the École supérieure de biotechnologie Strasbourg (ESBS); the École Nationale Supérieure de Géologie (ENSG), whose graduates are Géoliens; the Ecole et Observatoire des Sciences de la Terre (EOST), whose graduates are Eostiens; the École nationale du génie de l'eau et de l'environnement de Strasbourg (ENGEES); the École de Biologie Industrielle (EBI), whose graduates are Ebistes; the École supérieure d'agricultures d'Angers (ESA) ; the École d'ingénieurs de Purpan (EIPurpan), formerly École Supérieure d'Agriculture de Purpan (ESAP); the École nationale supérieure d'horticulture (ENSH); the Institut Sup'Biotech de Paris (Sup'Biotech). 17. Other private Grandes écoles offering multiple specialities the EPF School of Engineering known as "École Polytechnique Féminine", was only for women until 1994; the HEI - Hautes Etudes d'Ingénieur in Lille; the ESTIA Institute of Technology (École supérieure des technologies industrielles avancées in Biarritz), founded in 1985. A generalist engineering school, former IDLS; the École Speciale de Mecanique et d'Electricite also called ESME Sudria in Paris since 1905; the École supérieure d'ingénieurs de recherche en matériaux et en InfoTronique (ESIREM); the Centre des études supérieures industrielles (CESI); the École supérieure d'ingénieurs de Rennes (ESIR); Business schools (grandes écoles de commerce) Most French business schools are partly privately run, or managed by the regional chambers of commerce. Business schools recruiting students just after taking the baccalauréat, most of them are private: European Business School Paris EDC Paris Business School ESCE International Business School ESDES School of Business and Management ESIEE Management ESSCA School of Management IESEG School of Management IPAG Business School ISG Business School PSB Paris School of Business The below list contains French business schools that are officially part of the Conférence des grandes écoles. Business schools recruiting students from post-baccalaureat preparatory classes, high selectivity rate: Audencia Business School Burgundy School of Business (École supérieure de commerce de Dijon) École de management de Normandie (Normandy Business School) ESSEC Business School ESCP Business School ESC Rennes School of Business ESC La Rochelle ESC Clermont ESC Toulouse School of Business ESC Troyes Emlyon Business School EM Strasbourg Business School (École de Management de Strasbourg) EDHEC Business School (private) GRENOBLE ÉCOLE DE MANAGEMENT (GEM) Groupe ESC Pau HEC Paris ICN Business School INSEEC Business School (private) Institut