Trenord is a railway company which is responsible for the operation of regional passenger trains in Lombardy. The company was established by the two main railway companies in Lombardy, Trenitalia and Ferrovie Nord Milano (FNM), to manage train operations in the region. The equity is equally divided between the two companies.

Trenitalia is the primary train operator in Italy. A subsidiary of Ferrovie dello Stato Italiane, itself partly owned by the Italian government, the company and partly from a private investors group. It was established in 2000 following a European Union directive on the deregulation of rail transport.