Italy : Private railways & industry : N : Newco S.r.l.
Italy : Private railways & industry : N : NTV: Nuovo Transporti Viaggiatori
Italy : Private railways & industry : O : OceanoGate
Italy : Private railways & industry : O : Orione
Italy : Private railways & industry : Pirelli
Italy : Private railways & industry : Quadrante Servizi S.r.l.
Italy : Private railways & industry : R : Railion Italia
Italy : Private railways & industry : R : Rail One


Italy : Private railways & industry : M : MUA - Mediterranea Umbro Aretina (1956 - 1979)
Italy : Private railways & industry : R : RCI: Rail Cargo Italia (Linea)