Exchange ordered the withdrawal of SNIA ordinary shares and bonds from the market. See also Snia Milano Notes Sources External links Time Magazine article on SNIA Viscosa in 1957. Corporate website Aerospace companies of Italy Defence companies of Italy Defunct companies of Italy Chemical companies of Italy Manufacturing companies based in Milan Italian brands Chemical companies established in 1917 Technology companies established in 1917 Vehicle manufacturing companies established in 1917 Technology companies disestablished in 2010 1917 establishments in Italy