Arronax means “Accelerator for Research in Radiochemistry and Oncology at Nantes Atlantic”. Arronax is a « Groupement d’Intérêt Public » (GIP), i.e. a public research institute with a private accounting supported by public and private members, linked by a written agreement, and approved by the State. Members of the Arronax GIP are the State, the Region Pays de la Loire, CNRS, Inserm, Nantes University, Mines Nantes, the Nantes University Hospital, the ICO René Gauducheau Cancer Center.The Arronax GIP: operates the high energy / high intensity cyclotron, dedicated to nuclear medicine and radiochemistry research; hosts researchers in the fields of applied nuclear physics, nuclear medicine and radiochemistry; develops academia/industry research and development programs in the context of the valuation of the cyclotron and its facilities; proposes services and products to hospitals and research centers, as well as industrial companies, in particular through the delivery of radionuclides and use of scientific and technological platforms; provides higher education and training services related to the use of radionuclides and ionizing radiations.Access to the facilities is a collaboration process granted upon acceptation of the proposal by the Arronax committees. Arronax is the center of the 'Equipement d'Excellence" ArronaxPlus.