Wikipedia
ILPAP
I.L.P.A.P. was a public Greek company, part of the general Athens Mass Transit System, responsible for the operation of the trolleybuses network. ILPAP was founded on December 14, 1970, and since 1998 the company was owned by the Athens Urban Transport Organisation (Organismos Astikon Syngoinonion Athinon - OASA, Greek: Οργανισμός Αστικών Συγκοινωνιών Αθηνών - Ο.Α.Σ.Α.), a public company.