The Auvergne Regional Council has entrusted the management of Vulcania ti a Mixed Economy Society, the SEM Volcans, governed by private law..
It operates under a public service delegation. Its capital is 3.6 million. It is headed by Gregory Mouilleseaux and chaired by Brice Hortefeux, Deputy Chairman of the Regional Council Auvergne Rhône-Alpes. SEM Volcan pays annually to the Regional Council a fee proportional to the investments made.
It employs more than 50 permanent employees
and many seasonal enployees in July – August.