* Municipality of Custonaci
* C.I.R.S. – Hyblean Center of Speleo-Hydrogeological Research, Ragusa, Italy
* Department of Biological, Geological and Environmental Sciences, University of Catania, Italy
* UNESCO Chair on Karst Education, Vipava, Slovenia
* ZRC SAZU Karst Research Institute, Postojna, Slovenia
* TETIDE APS, Italy
* University of Bari
* University of Messina
* University of Trieste