Central Works (German: Mittelwerk) was the underground WWII factory in a mine system of the Kohnstein mountain near Nordhausen, Germany that was operated by the government Central Works Ltd. (German: Mittelwerk GmbH) company. Additional wartime plans for V-2 rocket production at the Southern Works near Friedrichshafen and Eastern Works near Riga were never fulfilled. for 12,000 A-4 missiles at 40,000 Reichsmarks each.