- Entités chargées de la distribution de gaz, régies par le testo unico delle leggi sull'assunzione dei pubblici servizi da parte dei comuni e delle province, approuvé par le regio decreto n. 2578 du 15 octobre 1925, et par le D.P.R n. 902 du 4 octobre 1986
- Entities distributing gas governed by the consolidated text of the laws on the direct assumption of control of public services by local authorities and provinces, approved by Royal Decree No. 2578 of 15 October 1925 and by Presidential Decree No. 902 of 4 October 1986.