Kaiser Steel

The Basalt Rock Company, Inc., was formed in 1920 to operate a rock quarry in Napa. It started to build its own barges in 1938 and was, therefore, ready to participate in the war effort when the time came. After the war it switched to vessel repair and scrapping. It was bought by Kaiser Steel in 1955 and returned to shipbuilding, but closed again in 1985. The yard was on the Napa River,