Sté Lorraine De Dietrich & Cie de Lunéville

French company manufacturing automobiles, railway rolling stock, heavy equipment and aircraft engines.

In financial difficulty in the mid-1930s, the Lorraine factory was nationalized in 1937 and took the name of Société Nationale de Construction de Moteurs (SNCM), before being taken over by Gnome and Rhône in 1941.