United Wagon Company is Russia's leading and one of the world's biggest manufacturers of freight cars. The company is on the Russian Ministry for Economic Development list of strategically important organizations.

Joint Stock Company “Tikhvin Freight Car Building Plant ” (TVSZ) is a Russian freight car manufacturer, the largest in the CIS. Launched in January 2012, Tikhvin Freight Car Building Plant is the main production facility of Research and production corporation “United Wagon Company”.