Kronstadt Marine Plant  The Kronstadt Marine Plant (), originally established as 'Parokhodnyi mekhanicheskii z-d goroda Kronshtadta' (), is a shipbuilding and repair center. It became the main repair center for the Baltic Fleet around 1900. By 1914 there were two dry docks, but no building slips. Operational 1917–1920; one of three military plants in the 1930s that produced munitions and torpedoes; arms parts and munitions during wartime. Currently part of the United Shipbuilding Corporation.