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 Frédéric Bonnichon, 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 58 permanent employees and about 230 enployees in July – August.