Airport security services were transferred in 2000 from the Polizia di Stato (State Police) to SEA which created an internal division called SEA Airport Security. Up to 2002 SEA was assisted by IVRI in providing security services but the contract was not renewed. SEA Airport Security is supervised by Polizia di Stato (Italian State Police), Guardia di Finanza (Italian Military Customs Police) and Ente Nazionale Aviazione Civile (Italy's Civil Aviation Authority). Carabinieri supervise ramp entrance. Furthermore some airlines rely on private security companies (such as ICTS Italia, SEA Airport Security, Gruppo Sicurezza etc) to provide ID check and airplane guarding.